scholarly journals Anatomy and Histology of Testes of Male Buffalo Egrets (Bubulcus Ibis)

2019 ◽  
Vol 2 ◽  
pp. 107-109
Author(s):  
Lita Ayu Umartani ◽  
Aretasani Rahim ◽  
Halimah Asy Syahidah

The buffalo egret (Bubulcus ibis) belongs to the Ciconiiformes order, family Ardeidae. The buffalo egret (Bubulcus ibis) is the smallest egret (about 50 cm). Its body is slimmer than Blekoksawah (Ardeolaspeciosa), although not as large as egrets. All feathers are white, but during the mating season the feathers on the head, neck, back and chest are yellow. Reproductive organs are the ke y to success in maintaining new offspring. Male reproductive organs will produce male sex cells or living spermatozoa. It is important to do research on anatomy and histology to determine the maturity of the reproductive organs of the bird. The purpose of this study was to determine the anatomical and histological structure of male reproductive organs of buffalo egrets (Bubulcus ibis). The method used for histology is the paraffin method with Hematoxylin-Eosin staining. The data analysis technique uses descriptive analysis for histological preparations. Anatomical observations include the color, shape and location of the reproductive organs, while histological observations of the structure of the reproductive organs using a microscope. The results of the study were anatomically pale-colored testicle. The location of the testicles is on ventral from the most cranial lobe. While the histological structure of the testis of the Buffalo Egret (Bubulcus ibis) consisted of spermatozoa, lumen, stereosilia, ephitelium of eididymis and seminiferous tubules.

2009 ◽  
Vol 21 (1) ◽  
pp. 197
Author(s):  
T. T. B. Vo ◽  
E.-M. Jung ◽  
M.-G. Back ◽  
V. H. Dang ◽  
K.-C. Choi ◽  
...  

Endocrine disruptors (EDs) with androgenic and anti-androgenic effects may alter reproductive function by binding to androgenic receptors (AR) and inducing or modulating AR-dependent responses in the male reproductive system. However, the molecular mechanism(s) underlying these events remains unclear. Thus, in the present study, we elucidated the prenatal effects of maternal testosterone propionate (TP), flutamide (Flu), and di-(2-ethylhexyl) phthalate (DEHP) on male reproductive organs of newborn rats. Pregnant Sprague-Dawley (n = 32 in total, n = 8/each group) rats were treated with these compounds at gestation days 11 to 21, and newborn males (n = 154 in total) were euthanized at post-neonatal day (PND) 63. Interestingly, maternal exposure to Flu or DEHP caused fluctuations in the neonatal levels of serum testosterone (T) and luteinizing hormone (LH). Serum T and LH were up-regulated by Flu, but these hormones were down-regulated by DEHP. The anogenital distances (AGD) of male newborns were detected at PND 1, 21, and 63. Male rats treated prenatally with DEHP (100 mg kg–1 mother’s body weight) or Flu showed an AGD shorter than that of control rats. At PND 63, the sperm concentration, viability, and mobility were reduced in the maternal DEHP and Flu-treated groups. The numbers of seminiferous tubules were reduced in the Flu- and DEHP-treated offspring when compared with vehicle- and TP-treated groups, and the tubules of the testes at PND 63 were disrupted by a high dose of Flu. In addition, we examined differential gene expression patterns in the testes by microarray analysis following ED exposure, particularly in sex determination-related genes. Significantly distinct expressions of sex determination-related genes were observed in the testes by microarray analysis following treatments with different types of EDs in this study. Although Flu and DEHP are considered to be identical with regard to their anti-androgenic effects, their effects on developing male reproductive organs were distinct, suggesting that Flu competes with endogenous T, while DEHP influences a different step in androgenesis.


Author(s):  
Shanghnesy Jovita Nirvana ◽  
Muhammad Ja’far Luthfi ◽  
Erna Ekasari ◽  
Lailatul Maghfiroh

Flying squirrel (Hylopetes lepidus) is an Eutherial mamal (placental mammal), belong to the order Rodentia and belong to the family Sciuridae. Hylopetes lepidus had gray cheek as its unique characteristics. The reproductive organs are the key to success in maintaining the new descendants. Male reproductive organs will produce the male sex cells or spermatozoa. The purpose of the research is to examine the anatomical structure, morphometry, histomorphometry, and histological structure of male reproductive organs (penis, testicle, vas deferens, bulbouretralis gland, prostate and seminal vesicles) of Hylopetes lepidus. The method used in examining histological characteristics is Hematoxyin–Eosin staining method. The histological structure of reproductive organs were observed using optilab microscope. The results of the study showed that the adult male flying squirrel weighed 104.28 ± 0.64 gram. Anatomically, it has oval white reddist testicle. The testicle is located side out of the body cavity in the scrotum. Morphometric observation testicular showed that the right testes has volume 0.35 ± 0.07 ml, and the left has volume 0.35 ± 0.07 ml, weight of the right testicular 0.19   ± 0.01 gram, weight of the left testicular 0.18 ± 0.01 gram, diameter of the right testicular 6.35 ± 0.21 mm, diameter of the left testicular 6.35 0.21 mm, short diameter of the right testicular 3.45 ± 0.21 mm, and short diameter of the left testicular 3.45 ± 0.21 mm. The diameter of tubulus seminiferus 261,4 ± 0.14 μm. The conclusion of this study compared to rodentia other testicular Hylopetes lepidus has a unique testicular bound by the connective tissue in the scrotum so that testicular included in class permanent descending testicular. The rhombus of the prostate gland are blunt, while histologically the sertoli cells in the seminiferus tubule shaped elongated, while in morphometry penis Hylopetes lepidus relatively longer than Mus musculus.


Author(s):  
Elvira Mega Androma ◽  
Laela Umi Khasanah

This study were aim to (1) describe the anatomical and histological structures of testicular organ, epididymis, vas deferens, accessory glands, and penis in guinea pig (2) develop learning media in the form of histological slides as well as anatomy atlas of male reproductive organs (3) examine the atlas of reproductive organs of male guinea pig as a source of learning. Slide were made using paraffin method with HE staining. The study revealed histological structure of the five guinea pig (Cavia porcellus) accessory glands, namely ampullary glands, seminal vesicles, prostate gland, bulbourethral gland, and preputial gland. In addition, guinea pig penis had a baculum on its base. The results of the student response test showed very good category with the percentage of 90,55%. The readability test had very good value from the subject expert (95,71%), media expert (81,66%), peer reviewer (88,07%) and biology teacher (81,51%). Overall, the atlas of the 'Anatomy of Male Reproductive Organs of Guinea Pig' had excellent quality and deserves to be used as a learning resource.


Author(s):  
Dandy Ashghor Dawudi ◽  
Kamidjan Kamidjan ◽  
Agus Sulton

This research takes the object of Sebening Syahadat by Diva SR, this work is a novel that tells the story of the journey ofa teenager named Sam who is in the process ofsearching for identity. The journey is filled with interesting twits and turns embelissed with a love story that is very suitable if consumed by the younger generation who are learning to find identit. This study aims to reveal the value motives that led Sam’s character in finding his identity, which expected to be a material for reflection for readers, especially young people who are in the process of discovering his identity, the scope of the problem in this study is to reveal the value motives that affect the character’s psyche. Sam is told to have a rascal character.The research method used in this study took a descriptive qualitative approach, data colletion used was a literature study technique with stages of reading, note taking, coding for futher analysis. The analysis technique used is qualitative descriptive analysis technique.The result of the research in this research process indicate that the mental process of Sam’s character influenced by several factors, including: a. Motives in cultural factors (Situasional Factors), b. The motive for love begins with admiration for the attitude of someone who is full of noble values of character, c. The motive of curiosity and fulfillment of his needs for true value.


2019 ◽  
Vol 1 (2) ◽  
pp. 1-20
Author(s):  
I Wayan Suartina ◽  
Ni Nyoman Adityarini Abiyoga Vena Swara ◽  
Ni Luh Sri Astiti

This study aims to determine the effect of Total Quality Management (TQM) on employee productive behavior and company performance at PT. Tomorrow’s Antiques Indonesia. This study uses a quantitative method with a sample of 104 employees. Data was collected by observation, interviews, documentation, literature, and questionnaires. The analysis technique used descriptive analysis, path analysis (analysis path), and sobell test. The results of the total quality management (TQM) research have a positive and significant effect on employee productive behaviour at PT. Tomorrow's Antiques with coefficient of 0.986 and a sig value of 0.00 <0.05; employee productive behavior has a positive and significant effect on company performance at PT. Tomorrow's Antiques with coefficient of 0.606 and a sig value of 0.00 <0.05; total quality management (TQM) has a positive and significant effect on company performance at PT. Tomorrow's Antiques with coefficient of 0.396 and a sig value of 0.00 <0.05, and employee productive behaviour can mediate the effect of total quality management (TQM) on company performance at PT. Tomorrow's Antiques with Z value (17,311) > Z table (1,96).


2020 ◽  
Vol 4 (6) ◽  
Author(s):  
Zaenal Arifin

This study aims to: (1) develop thematic textbooks based on local wisdom of our best friend's environmental theme material for grade V elementary school students, (2) Know the validity, practicality and effectiveness of thematic textbooks based on local wisdom of our best friend's environmental theme material for grade students V elementary school. The development of thematic textbook learning media based on local wisdom uses the Research and Development (R & D) method. The development stages include: (1) Potentials and problems, (2) Data collection, (3) Product design, (4) Design validation, (5) Design revision, (6) Product testing, (7) Product revision (Sugiyono, 2016). The research was conducted with 33 students from class V SDN 2 Sendang Jepara Regency. Initial product development is a process of making media based on needs analysis. Expert testing or validation was carried out by 2 experts, namely media experts and material experts. The data collection method in this research is observation, interview, and questionnaire. The data analysis technique used descriptive analysis and comparison test of two independent groups, namely using the independent t-test. Based on the results of the trial, this thematic teaching material is very valid, very interesting, effective and can be applied in learning. This can be seen from the results of the validation test from three experts which show that the product is good. The results of the effectiveness test showed that the experimental class students had better learning outcomes than the control class. This means that textbooks based on local wisdom of Jepara Regency are developed effectively


2010 ◽  
Vol 151 (39) ◽  
pp. 1573-1579
Author(s):  
Ákos Jakobovits ◽  
Antal Jakobovits

A szerzők a központi idegrendszer, a tesztoszteron és származékainak szerepét tárgyalják a férfi nemi szervek méhen belüli fejlődésében. A férfi személyiségét meghatározó jellegzetességek először az emberi fejlődés magzati stádiumában jelentkeznek. Ezek kialakulása a gyermekkorban folytatódik. Pubertás után ezek növekvő mértékben válnak nyilvánvalóvá, és az egyén élete folyamán túlsúlyban maradnak. Az említett folyamatok mind a férfias fenotípust, mind a férfias magatartást befolyásolják. A tesztoszteron és származékai kontrollálják a férfi nemi szervek fejlődését. Hiányuk a női nemi jellegzetességek túlsúlyához vezet, a férfi nemi kromoszómakép ellenére. E jelenségek típusos példája a testicularis feminisatio klinikai képe. Jelen tanulmány különleges figyelmet szentel a reprodukciós szervek azon rendellenességeinek, amelyek a magzatokban ultrahanggal azonosíthatók. Ezen anomáliák legtöbbje antenatalisan hatásosan nem kezelhető. Azok a rendellenességek, amelyek a méhen kívüli életben sem gyógyíthatók, a terhességmegszakítás javallatát képezhetik, amennyiben ultrahangvizsgálattal a kora terhességben kimutathatók. Orv. Hetil., 2010, 39, 1573–1579.


2020 ◽  
Vol 10 (2) ◽  
pp. 60-74
Author(s):  
Muhammad Syauqi Mubarok

This article aims to examine and describe the influence of guidance and counseling management on learning discipline. The method used in this research is descriptive analysis method using survey techniques. Data collection techniques that used are documentation studies and field studies. Moreover, the data analysis technique that has been used to answer the research hypothesis is statistical analysis with a path analysis model. The location of the study was at the Ciledug Vocational High School Al-Musaddadiyah Garut, with 85 respondents taking part in the survey. The results of the discussion show that guidance and counseling management has a positive and significant effect on the discipline of learning


2018 ◽  
Vol 2 (2) ◽  
pp. 84
Author(s):  
Fahrurrrazi Fahrurrrazi

Penelitian ini dilatarbelakangi oleh fenomena minat baca siswa dan pengaruh minat baca terhadap pertumbuhan kemampuan belajar siswa pada jenjang-jenjang pendidikan selanjutnya. Kepala sekolah sebagai lokomotif perkembangan mutu pendidikan memiliki peran strategi bagi pengumbuhan dan pengembangan minat baca peserta didik. Penelitian ini bertujuan untuk mengetahui peran kepala madrasah sebagai edukator, manajer, dan innovator dalam pengembangan minat baca peserta didik di MIT Nurul Islam Kota Semarang. Penelitian ini merupakan penelitian kualitatif lapangan, data dikumpulkan melalui observasi, wawancara, dokumentasi dan triangulasi, serta dianalisis dengan teknik analisis deskriptif. Hasil penelitian ini menunjukkan bahwa: 1) Peran kepala madrasah sebagai edukator dalam pengembangan minat baca peserta didik meliputi meliputi tiga pembinaan, yakni pembinaan mental dan moral, serta pembinaan artistik. 2) Peran kepala madrasah sebagai manajer dalam pengembangan minat baca peserta didik di MIT Nurul Islam meliputi penerapan fungsi-fungsi manajemen dengan didasarkan pada pada kerjasama dengan USAID dan UIN Walisongo Semarang. 3) Peran kepala madrasah sebagai innovator dalam pengembangan minat baca peserta didik di MIT Nurul Islam Kota Semarang meliputi inovasi strategi, pola pikir (mindset) dan struktur. Abstract This research is motivated by the phenomenon of reading interest of students and the influence of reading interest on the growth of students' learning ability in the next level of education. The principal as a locomotive of the development of the quality of education has a strategic role for the growth and development of reading interest of learners. This study aims to determine the role of principal as an educator, manager, and innovator in the development of reading interest of learners in MIT Nurul Islam Semarang City. This research is a qualitative field research, data collected through observation, interview, documentation and triangulation, and analyzed by descriptive analysis technique. The results of this study indicate that: 1) The role of principal as an educator in the development of reading interest of learners includes three activities are coaching, namely mental and moral coaching, and artistic coaching. 2) The role of principal as manager in the development of reading interest of learners at MIT Nurul Islam covers the application of management functions based on cooperation with USAID and UIN Walisongo Semarang. 3) The role of principal as innovator in the development of reading interest of learners at MIT Nurul Islam Semarang City includes innovation strategy, mindset, and structure.


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