scholarly journals Evaluation of Scrotal Temperature in Different Testicular Shapes by Infrared Thermography in Braford Bulls

2019 ◽  
Vol 47 (1) ◽  
Author(s):  
Patrícia Da Cruz Favaro ◽  
Gabriel Ribas Pereira ◽  
Flávio Antônio Barca Jr. ◽  
Marcelo Marcondes Seneda ◽  
Augusto César Alves Assunção ◽  
...  
Keyword(s):  
Surface Area ◽  
Infrared Thermography ◽  
Average Length ◽  
Thermal Sensitivity ◽  
The Body ◽  
Average Width ◽  
Scrotal Circumference ◽  
Mean Width ◽  
The Mean ◽  
Oval Shape

Background: The mechanisms of testicular thermoregulation may influence the blood flow provided by the testicular artery, where the proper blood supply to the testicle is crucial for promotingspermatogenesis and reproductive function in bulls. The size and shape of the testicles are determined by genetic mechanisms and environmental effects. A better understanding of the relationships between the anatomical characteristics of the testicles and scrotum can support a better reproductive assessment. The purpose of the current study was to evaluate the testicular temperature of different scrotal shapes using infrared thermography in bulls.Materials, Methods & Results: We evaluated 132 Braford bulls with an average age of 24 months. The evaluation of breeding bull semen was performed prior to the beginning of the experiment. Then, animals were selected on the basis of the size of their testes, which was determined by dividing the average width by the average length. The scrotal circumference was measured with a millimeter tape positioned around the largest circumference. Testicular and ocular temperature measurements and analysis were conducted using an infrared thermal camera, Flir T440 with emissivity of 0.98 and thermal sensitivity of 0.05°C. Testicular scrotum temperature and testicular shape were analyzed with one-way ANOVA using Minitab 16, and values of P < 0.05 were considered statistically significant. We observed that 67.42% of testicle shapes were long-oval, and 32.58% were long-moderate. The testicular temperature was higher in bulls with the long-moderate shape compared to those with the long-oval shape (P < 0.05). The mean length was higher in long-moderate shaped testicles compared to those of the long-oval shape (P < 0.01). There was no significant differences in rectal and ocular temperatures or in scrotal circumference between bulls with long-moderate and long-oval shapes (P > 0.05). In addition, the mean width was lower in testicles of long-moderate shape compared to those of the long-oval scrotal format (P < 0.01).Discussion: The results obtained showed that Braford bulls with the long-moderate testicular shape have a higher testicular temperature to maintain proper thermoregulation. The present study demonstrated that IRT can be used to evaluate the testicular temperature in animals with different scrotal conformations. In this study, Braford bulls showed lower length and width values for animals having long-moderate (9.21 and 5.22, respectively) and long-oval formats (8.56 and 5.56, respectively). In contrast, previous reports examining Nellore bulls between the ages of 17-20 months found a predominance of the long oval shape followed by the long-moderate shape, which indicates a change in testicular shape as age progresses, resulting in a rounder testicular shape. Perhaps other factors, such as the external cremaster muscle and tunica dartos, cause the testicles to be retracted towards the body at lower temperatures while at high temperatures, relaxation occurs. The prevailing testicular shape in Braford animals with a mean age of 24 months was the long-moderate shape. Thus, testicles with a larger surface area will have lower temperatures because they can dissipate heat more easily than testicles with lower surface area. The results suggest that the long-moderate scrotum format may influence the testicular temperature in mature Braford bulls.

scholarly journals Sections of Convex Bodies in John’s and Minimal Surface Area Position

2021 ◽  
Author(s):  
David Alonso-Gutiérrez ◽  
Silouanos Brazitikos
Keyword(s):  
Minimal Surface ◽  
Surface Area ◽  
Convex Bodies ◽  
Regular Simplex ◽  
Symmetric Convex ◽  
Polar Bodies ◽  
Mean Width ◽  
Centrally Symmetric ◽  
The Mean ◽  
Minimal Surface Area

Abstract We prove several estimates for the volume, the mean width, and the value of the Wills functional of sections of convex bodies in John’s position, as well as for their polar bodies. These estimates extend some well-known results for convex bodies in John’s position to the case of lower-dimensional sections, which had mainly been studied for the cube and the regular simplex. Some estimates for centrally symmetric convex bodies in minimal surface area position are also obtained.

Superficial landmarks for the spinal accessory nerve within the posterior cervical triangle

2005 ◽  
Vol 3 (5) ◽  
pp. 375-378 ◽  
Author(s):  
R. Shane Tubbs ◽  
E. George Salter ◽  
John C. Wellons ◽  
Jeffrey P. Blount ◽  
W. Jerry Oakes
Keyword(s):  
The Body ◽  
Spinal Accessory Nerve ◽  
Accessory Nerve ◽  
Mastoid Process ◽  
Exit Point ◽  
Content Type ◽  
Spinal Accessory ◽  
Mean Width ◽  
The Mean ◽  
Fine Print

Object. The spinal accessory nerve (SAN) within the posterior cervical triangle (PCT) is the most commonly iatrogenically injured nerve in the body. Nevertheless, there is a paucity of published information regarding superficial landmarks for the SAN in this region. Additional identifiable landmarks of this nerve may assist the surgeon in identifying it for repair, use of it in peripheral nerve neurotization, or avoiding it as in proximal brachial plexus repair. The present study was undertaken to provide reliable superficial landmarks for the identification of the SAN within the PCT. Methods. The PCT was dissected in 30 cadaveric sides. Measurements were made between the SAN and surrounding landmarks. The mean distances between the entry site of the SAN into the trapezius and a midpoint of the clavicle, mastoid process, acromion process, and lateral aspect of the sternocleidomastoid (SCM) muscle were 6, 7, 5.5, and 3.5 cm, respectively. The mean distances between the angle of the mandible and the mastoid process and the exit point of the SAN from the posterior border of the SCM muscle were 6 and 5 cm, respectively. The mean width and length of the SAN were 3 and 3.5 cm, respectively. Conclusions. It is the authors' hope that these data will aid those who may need to locate or avoid the SAN while undertaking surgery in the PCT and thus decrease morbidity that may follow manipulation of this region.

Exploration and Decompression of the Spinal Canal Using Split Laminotomy and Its Modification, the “Archbone” Technique

2008 ◽  
Vol 62 (suppl_5) ◽  
pp. ONS432-ONS441 ◽  
Author(s):  
Péter Banczerowski ◽  
János Vajda ◽  
Róbert Veres
Keyword(s):  
Spinal Canal ◽  
Average Length ◽  
Spinous Process ◽  
The Body ◽  
Iliac Bone ◽  
Invasive Approach ◽  
Computed Tomographic ◽  
Spinous Processes ◽  
Cavernous Hemangiomas ◽  
The Mean

Abstract Objective: To develop a novel minimally invasive approach suitable for exploring different pathologies located in the spinal canal, allowing moderate enlargement of the canal with preservation of the majority of posterior structures so muscle attachments remain intact and postoperative complications are reduced. Methods: The authors developed a multilevel spinous process splitting and distracting laminotomy technique with or without complementary corticocancellous iliac crest “archbone” autografting. Technical details are discussed. The multilevel spinous process splitting and distracting laminotomy technique with or without complementary iliac bone grafting was used in 19 patients with different pathologies of the spinal canal. Results: Satisfactory surgery of the lesions located within the spinal canal, especially intramedullary, was achieved in all patients using this new approach. The affected area of the spine was cervical in seven patients, cervicothoracic in four patients, thoracic in five patients, and thoracolumbar in three patients. The average number of split laminae was three (range, 2–6). Histological results were as follows: seven intramedullary astrocytomas, eight ependymomas, two cavernous hemangiomas, one dural arteriovenous malformation, and one hemangioblastoma. Of the eight ependymomas, 75% were removed completely and 25% were partially removed. Of the seven astrocytomas, 28.7% were removed completely, 14.3% were removed subtotally, and 57% were partially removed. The cavernous hemangiomas and the hemangioblastoma were completely removed. The approach used did not affect the extent of resection or neurological outcome. The spinous processes were closed directly in 13; in six cases, a tricortical iliac bone graft was placed between the facing bony parts of the spinous processes. The mean duration of splitting and distracting the spinous process was 16 minutes (range, 11–28 min) for the first process and 8 minutes (range, 5–14 min) for each additional spinous process. The mean duration of the whole surgical procedure, including intraspinal surgery, was 159 minutes (range, 90–290 min). The mean blood loss was 158 ml (range, 48–442 ml). The average length of hospital stay was 7.2 days. The average follow-up period was 15.4 months. Fifty-one of the 57 (89.5%) spinous process computed tomographic scans demonstrated bony healing with or without a graft between the osteotomized faces. Of the 57 spinous process computed tomographic scans, fracture of the spinous process was seen in nine (15.8%) and traumatic bony changes of the body of the vertebra in the midline in three (5.2%); these were without clinical significance and they later showed complete healing. Conclusion: This surgical approach fulfills the requirements of other laminotomy techniques and helps prevent damage to the crucial posterior stabilizers of the spine. In contrast to conventional spinal canal approaches, preservation of the majority of posterior structures leaves muscle attachments on the spinous processes and laminae completely intact. Furthermore, the technique for exposure and decompression of the spinal canal is a suitable method for all spinal segments, the cervical, thoracic, and the lumbar spine in all age groups.

scholarly journals Synthesis of θ-Al2O3 Whiskers with Twins

Metals ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 895
Author(s):  
Nan Liao ◽  
Xiaojia Su ◽  
Haiwen Zhang ◽  
Qingguo Feng ◽  
Salvatore Grasso ◽  
...  
Keyword(s):  
Phase Transformation ◽  
Specific Surface ◽  
Hydrothermal Method ◽  
Surface Area ◽  
Tetragonal Phase ◽  
Monoclinic Phase ◽  
Argon Atmosphere ◽  
Molar Ratio ◽  
Average Width ◽  
The Mean

In this work, θ-Al2O3 whiskers with twins were successfully fabricated by a hydrothermal method followed by annealing at 1000 °C in argon atmosphere using Al2(SO4)3·18H2O, CO(NH2)2 and PEG2000 as initial materials. It is confirmed that precursor of AlO(OH) whiskers is suitable to be used for preparing alumina whiskers when the molar ratio of Al3+: CO(NH2)2 is selected to be 1:6. The mean length of obtained whiskers is 1.5 μm and the average width is 0.1 μm. Interestingly, it is found that the as-prepared θ-Al2O3 whiskers consist of twins with (100) plane as the twin surface, which is ascribed to the phase transformation from tetragonal phase (δ-Al2O3) to monoclinic phase (θ-Al2O3) during the annealing. Additionally, the specific surface area of θ-Al2O3 whiskers is measured to be 38.2 m2/g.

scholarly journals Morphometric Study of Hyoid Bone and its forensic implication

2020 ◽  
Vol 2 (1) ◽  
Author(s):  
Europasian Journals
Keyword(s):  
Hyoid Bone ◽  
Average Length ◽  
The Body ◽  
Anthropometric Measurements ◽  
Morphometric Study ◽  
P Value ◽  
Strong Positive Correlation ◽  
Forensic Investigation ◽  
Statistical Tool ◽  
The Mean

Background: Hyoid bone, the bone of anterior neck is significant in forensic medicine as it presents the sexual dimorphism. Also, the measurement can be quick and easy. This study was conducted with the aim of finding the exact morphometry of hyoid bone and its relationship with sex and height of individual via cadaveric study so that it can aid in forensic investigation as well as archaeological studies. Methods: This was a cross-sectional study, conducted on 60 hyoid bones (36 male and 24 female) in the Department of Anatomy from 2013 to 2016. Fine dissection was done to get the hyoid bone during the practical of Neck for MBBS and BDS students. The damaged, abnormal and unfused hyoid bones were excluded. Before the dissection, sex and approximate age of the cadaver was recorded. The ethical approval was taken from the department. The 12 major anthropometric measurements were taken on each hyoid bone using digital Vernier Calipers, and electronic weighing machine. The mean, standard deviation were calculated, and t-test was used as a statistical tool to compare the mean, and Karl Pearson’s correlation coefficient was used to see the association. The p-value <.05 was considered significant. Result: Total of 60 hyoid bones were studied in this study, out of which 36(60%) were male. The average length of all 12 major parameters of the hyoid bone were found to be significantly greater in male than in female. Moreover, the length of the cadaver (height) had significantly correlated with the Conclusion: All the anthropometric measurements of hyoid bone were significantly greater in males than in females. Moreover, the height of the person had strong positive correlation with the vertical breadth and transverse length of the body of hyoid bone. The anthropometrical parameters of hyoid bone can be used for forensic investigation as well as archeological studies.

scholarly journals Morphological characterization and germination of Syagrus schizophylla (Mart.) Glass. (ARECACEAE)

2019 ◽  
Vol 10 (1) ◽  
pp. 54-64
Author(s):  
Rômulo André Beltrame ◽  
Janie Mendes Jasmim ◽  
Henrique Duarte Vieira
Keyword(s):  
Water Absorption ◽  
Average Length ◽  
Seedling Emergence ◽  
Morphological Characterization ◽  
Palm Tree ◽  
Average Width ◽  
Different Temperatures ◽  
Emergence Curve ◽  
The Mean ◽  
Mean Time

The interest in Syagrus schizophylla as an ornamental palm tree and the demand for conservation and preservation of the species led to this research. The objective was to study the physiological characteristics of its germination at different temperatures, as well as the morphological and biometrical characterization of diaspores and seedlings at the initial stages of growth and development. The research was divided into two experiments. In the first one, the aim was to identify the water absorption phases of seeds during germination under five scarification treatments as follows: intact diaspores, scarified diaspores, diaspores with endocarp rupture and intact seeds. In the second experiment, germination was tested at 25, 30 e 25 - 35 ºC; the first germination count, seedling emergence, abnormal seedlings, non-germinated seeds, the emergence curve, the emergence speed index and the mean time of emergence were evaluated. Afterwards, the morphological and biometrical characteristics of diaspores and seedlings were described. The water absorption curve observed under the different scarification treatments showed different water absorption patterns. Emergence percentages were 53, 61 and 47% at 25, 30 and 25 - 35 ºC, respectively. The highest emergence speed index was obtained at 30 ºC. The mean time of emergence was 30 days, approximately, under all the temperatures tested. The diaspores showed a great variability in both shape and size, presenting a globular to ovoid shape with an average length of 2.44 cm and an average width of 1.39 cm. The germination can be classified as hypogeal crypto cotyledonal of the remote-tubular type.

scholarly journals MORPHOMETRIC STUDIES OF THE REPRODUCTIVE ORGANS AND SPERM RESERVES OF M'BORORO (Bos indicus) BULLS

2021 ◽  
Vol 25 (2) ◽  
pp. 111-114
Author(s):  
H. D Kwari ◽  
S. O. Ogwuegbu
Keyword(s):  
Body Weight ◽  
Prostate Gland ◽  
Bos Indicus ◽  
Reproductive Organs ◽  
Accessory Gland ◽  
The Body ◽  
Testicular Sperm ◽  
Scrotal Circumference ◽  
The Mean ◽  
Sexually Mature

Morphometric data of the reproductive organs and the gonadal and extra-gonadal sperm reserves were determined in sexually mature M'bororo bulls. The mean body weight was 560±15.8kg and measured 175.8±4.3cm at the withers. The mean paired testes weight and scrotal circumference were 266.5±28.9g and 28.2±0.8cm, respectively. The body weight was significantly and positively corellated with the testicular sperm reserves (P<0.05). The paired testicular sperm reserves was 27.3±3.1 *109. The mean weights of the accessory gland were: Seminal Vesicles, 42.2±4g; ampullae, 12.4±2.0g;Prostate gland, 2.2±0.29g and 1.3±0.3g for the bulbourethral gland. The mean penis lenght was 80.9±2.9cm while the glans penis and the urethral process measured 3.1±0.1cm and 1.9±0.1cm, respectively

scholarly journals Pelvic and Testicular Biometry of Sahel Goats in Maiduguri, Nigeria

2021 ◽  
Vol 18 (1) ◽  
pp. 1-5
Author(s):  
A. Abba ◽  
A. R. Mustapha ◽  
U. M. Bamanga ◽  
D. Iliyasu ◽  
I. D. Peter ◽  
...  
Keyword(s):  
Body Weight ◽  
Body Condition ◽  
Significant Positive Correlation ◽  
Body Condition Score ◽  
The Body ◽  
Positive Correlation ◽  
Scrotal Circumference ◽  
Condition Score ◽  
The Mean ◽  
Breeding Soundness

This study was carried out to document the pelvic and testicular biometric characteristics of Sahel goats. Record of body weight, body condition score, height at withers, scrotal length, scrotal circumference and external pelvic circumference were obtained from 400 male and 600 female Sahel goats. All the goats were approximately 1.5 years old and weighing 14 to 18 kg, with body condition score of 3 or 4 (scale of 1-5). The mean bodyweight of Sahel bucks was 15.12 ± 1.10 kg while that of Sahel does was 13.22 ± 1.12 kg, height at withers in bucks and does were 52.22 ± 1.20 cm, and 48.13 ± 1.23 cm respectively. The scrotal length and circumference in Sahel bucks were 11.39 ± 1.12 cm and 17.95 ± 1.21 cm respectively. The external pelvic circumference in Sahel does was 55.13 ± 1.16 cm. There was significant (P<0.05) positive correlation between the body weight and body condition score in bucks (r=0.52) and in does (r=0.42). It was observed that there was weak but positive correlation between the body weight and height at withers (r=0.34), in bucks and in does (r=0.25; P <0.5). A low but significant positive correlation was found between the body weight and scrotal circumference r=0.28, (P<0.05) in bucks. There was a highsignificant positive correlation between the scrotal length and scrotal circumference r=0.66, (P <0.05).  The external pelvic circumference in Sahel does was also significantly positively correlated with body weight r=0.40, (P<0.05) and with the body condition score r= 0.33, (P<0.05). In conclusion, the body weight, body condition score, height at withers, scrotal length, scrotal circumference and external pelvic circumference of Sahel goats in Maiduguri were successfully determined, these parameters studied might serve as a bases for determining the breeding soundness of Sahel goats.

scholarly journals The correlations between dimensions of the normal tendon and tendinopathy changed Achilles tendon in routine magnetic resonance imaging

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Pawel Szaro ◽  
Khaldun Ghali Gataa
Keyword(s):  
Achilles Tendon ◽  
Average Length ◽  
Control Group ◽  
Resonance Imaging ◽  
Average Width ◽  
Normal Tendon ◽  
Routine Magnetic Resonance Imaging ◽  
Significant Difference ◽  
The Mean ◽  
Experimental Group

AbstractThis comparative study aimed to investigate how tendinopathy-related lesions change correlations in the dimensions of the Achilles tendon. Our experimental group included 74 patients. The mean age was 52.9 ± 10.4 years. The control group included 81 patients with a mean age was 35.2 ± 13.6 years, p < .001. The most significant difference in correlation was the thickness of the tendon and the midportion's width, which was more significant in the tendinopathy (r = .49 vs. r = .01, p < .001). The correlation was positive between width and length of the insertion but negative in normal tendons (r = .21 vs. r = − .23, p < .001). The correlation was between the midportions width in tendinopathy and the tendon's length but negative in the normal tendon (r = .16 vs. r = − .23, p < .001). The average thickness of the midportion in tendinopathy was 11.2 ± 3.3 mm, and 4.9 ± 0.5 mm in the control group, p < .001. The average width of the midportion and insertion was more extensive in the experimental group, 17.2 ± 3.1 mm vs. 14.7 ± 1.8 mm for the midportion and 31.0 ± 3.9 mm vs. 25.7 ± 3.0 mm for insertion, respectively, p < .001. The tendon's average length was longer in tendinopathy (83.5 ± 19.3 mm vs. 61.5 ± 14.4 mm, p < .001). The dimensions correlations in normal Achilles tendon and tendinopathic tendon differ significantly.

Pilonidal Sinus: How to Choose Between Excision and Open Granulation Versus Excision and Primary Closure?

Swiss Surgery ◽  
2002 ◽  
Vol 8 (6) ◽  
pp. 255-258 ◽  
Author(s):  
Perruchoud ◽  
Vuilleumier ◽  
Givel
Keyword(s):  
Hospital Stay ◽  
Pilonidal Sinus ◽  
Primary Closure ◽  
Average Length ◽  
Length Of Hospital Stay ◽  
Healing Time ◽  
Incision And Drainage ◽  
The Mean ◽  
Primary Healing

Aims: The purpose of this study was to evaluate excision and open granulation versus excision and primary closure as treatments for pilonidal sinus. Subjects and methods: We evaluated a group of 141 patients operated on for a pilonidal sinus between 1991 and 1995. Ninety patients were treated by excision and open granulation, 34 patients by excision and primary closure and 17 patients by incision and drainage, as a unique treatment of an infected pilonidal sinus. Results: The first group, receiving treatment of excision and open granulation, experienced the following outcomes: average length of hospital stay, four days; average healing time; 72 days; average number of post-operative ambulatory visits, 40; average off-work delay, 38 days; and average follow-up time, 43 months. There were five recurrences (6%) in this group during the follow-up period. For the second group treated by excision and primary closure, the corresponding outcome measurements were as follows: average length of hospital stay, four days; average healing time, 23 days; primary healing failure rate, 9%; average number of post-operative ambulatory visits, 6; average off-work delay, 21 days. The average follow-up time was 34 months, and two recurrences (6%) were observed during the follow-up period. In the third group, seventeen patients benefited from an incision and drainage as unique treatment. The mean follow-up was 37 months. Five recurrences (29%) were noticed, requiring a new operation in all the cases. Discussion and conclusion: This series of 141 patients is too limited to permit final conclusions to be drawn concerning significant advantages of one form of treatment compared to the other. Nevertheless, primary closure offers the advantages of quicker healing time, fewer post-operative visits and shorter time off work. When a primary closure can be carried out, it should be routinely considered for socio-economical and comfort reasons.

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