scholarly journals Histological Study on the Nasal Cavity of Black Iraqi Goat (Capra hircus)

2019 ◽  
Vol 42 (2) ◽  
pp. 105-111
Author(s):  
Ali F. Reshag
Keyword(s):  
Nasal Cavity ◽  
Alcian Blue ◽  
Squamous Epithelium ◽  
Histological Study ◽  
Goblet Cells ◽  
Columnar Epithelium ◽  
Capra Hircus ◽  
Nerve Bundles ◽  
Stratified Squamous Epithelium ◽  
Histological Results

The histological observations of this study which conducted on nasal cavity of black Iraqi goat revealed that the nasal cavity consisted of three regions (vestibular, respiratory and olfactory(.The vestibular region was narrow zone, lined with (non keratinized) stratified squamous epithelium, and its propria submucosa contained serous glands and blood vessels.The respiratory region was lined with ciliated pseudostratified columnar epithelia with goblet cells. The vascular propria submucosa had mucous glands, which were positive to periodic acdic shieff and Alcian blue stains. The olfactory region was lined with thick pseudostratified columnar epithelium devoid of goblet cells and contained, the propria submucosa serous simple acinus Alcian positive glands (Bowman's glands) and numerous nerve bundles. The histological results concluded that the nasal cavity of black Iraqi goat was good adaptive tooled for hot dusty environment.

scholarly journals Histological analysis of the tongue, esophagus and crop of Southern Carcará (Polyborus plancus)

2021 ◽  
Vol 10 (2) ◽  
pp. e21410212439
Author(s):  
Vanessa Sobue Franzo ◽  
Leiny Paula de Oliveira ◽  
Ana Carolina Pôssas Viana ◽  
Adriano Tony Ramos ◽  
Jéssica Fernanda Bertolino ◽  
...  
Keyword(s):  
Digestive System ◽  
Histological Analysis ◽  
Squamous Epithelium ◽  
Eating Habits ◽  
Histological Study ◽  
Pekin Ducks ◽  
The Family ◽  
Body Weights ◽  
Stratified Squamous Epithelium ◽  
Hematoxylin Eosin

The Southern Caracara is a bird of prey, of the family Falconidae, inhabits all the Brazilian territory, they are omnivorous birds adapted for hunting. The digestive system of the predators presents differences in their morphology due to their eating habits. Knowing the importance of the gastrointestinal system, this study aims to carry out a histological study of the tongue, esophagus and the crop of Polyborus plancus. For this purpose, eight avian of both sexes, with different body weights and ages were used, they were euthanized and the organs were collected, fixed, dehydrated and stained with hematoxylin-eosin. It was noted that the tongue has stratified squamous epithelium with mucous glands and with different degrees of keratinization. The esophagus and crop have four well developed muscle layers and mucous glands. Additionally, in the crop there is presence of an adventitious layer that consists of loose connective tissue. We conclude that the tongue, the esophagus and the crop of the Southern Caracara have similar histological organization of several birds like the Pekin Ducks, ostriches, domestic chicken and partridges.

scholarly journals Morphological characteristics of the digestive tract of Schizodon knerii (Steindachner, 1875), (Characiformes: Anostomidae): An anatomical, histological and histochemical study

2015 ◽  
Vol 87 (2) ◽  
pp. 867-878 ◽  
Author(s):  
Marcella L. Dos Santos ◽  
Fábio P. Arantes ◽  
Kleber B. Santiago ◽  
José E. Dos Santos
Keyword(s):  
Digestive Tract ◽  
Squamous Epithelium ◽  
Feeding Habits ◽  
Morphological Characteristics ◽  
Goblet Cells ◽  
Taste Buds ◽  
Mucous Cells ◽  
Pyloric Region ◽  
Mucosal Cells ◽  
Stratified Squamous Epithelium

The digestive tracts of 44 specimens of Schizodon knerii were studied using anatomical, histological and histochemical techniques. The mouth has terminal position, the lip epithelium is squamous stratified with mucous, claviform cells and taste buds, teeth have an incisive form and the tongue has a stratified squamous epithelium with mucous cells and taste buds. The oropharynx cavity is formed by gill apparatus and pharyngeal teeth. The oesophagus presented pleated mucosa, a stratified squamous epithelium with mucous cells, oesophageal glands and taste buds. The stomach presented cardiac, fundic and pyloric regions, simple prismatic epithelium with tubular glands, with none in the pyloric region. The intestine contains 11-15 pyloric caeca, a simple prismatic epithelium with brush border, goblet cells and lymphocytes. Mucosal cells, oesophageal glands and goblet cells reacted positively to PAS, amylase + PAS, Ab pH 2.5 and Ab pH 0.5. Gastric prismatic cells reacted positively to PAS, amylase + PAS, but only those in the pyloric region reacted positively to Ab pH 2.5 and Ab pH 0.5. The results improve the understanding of the anatomy of S. knerii feeding habits and the presence of mucosubstances in the epithelium, highlights the importance of glycoproteins for passing food through the digestive tract.

scholarly journals 31. Histological of Tractus Digestivus of Domestical Catfish (Clarias batracus)

2019 ◽  
Vol 13 (2) ◽  
Author(s):  
Aliman Irfandi ◽  
Cut Dahlia Iskandar ◽  
Zainuddin Zainuddin ◽  
Dian Masyitha ◽  
Fitriani Fitriani ◽  
...  
Keyword(s):  
Connective Tissue ◽  
Blood Vessels ◽  
Lamina Propria ◽  
Alimentary Tract ◽  
Squamous Epithelium ◽  
Goblet Cells ◽  
Taste Buds ◽  
Muscularis Mucosa ◽  
Club Cells ◽  
Stratified Squamous Epithelium

Domestical catfish is grouped into omnivora, although the fish is tended into carnivora.  The aim of the present study was to investigate histology of alimentary tract of domestical catfish (Clarias batrachus). In order to determine alimentary tract of domestical catfish, oesophagus, gastric and intestines is investigated by Haematoxilin Eosin. Histology exploration was performed each layer of alimentary tract’s wall consist of lamina epithelia, propria, and muscularis mucosa. Collagen connective tissue was developed tunica submucosa. The muscle of tunica muscularis was performed circular and elongated. Dense connective tissue and blood vessels was located in the tunica serosa. Histology exploration revealed has stratified squamous epithelium, mucosit cells, eosinophilic club cells on the lamina epithelia, and taste buds on the lamina propria in oesophagus. Gastric was establised simple prismatic cells, and glands of gastric on the lamina propria. Furthermore intestine was showed villi and goblet cells. There were not showed Brunner and Liberkhun gland. In conclusion, histology of alimentary tract was revealed from tunica mucosa, submucosa, and serosa.

scholarly journals Histogenesis of the reticulum of non- descript goat (Capra hircus) of India

2020 ◽  
Author(s):  
Varsha Gupta ◽  
Muneer Mohhamad Farooqui ◽  
Ajay Prakash Sharma ◽  
Archana Pathak
Keyword(s):  
Lamina Propria ◽  
Squamous Epithelium ◽  
Capra Hircus ◽  
Elastic Fibers ◽  
Muscularis Mucosae ◽  
The Core ◽  
Stratified Squamous Epithelium ◽  
Summary Statement ◽  
Near Term ◽  
Indian Goat

AbstractThe study was conducted on 36 developing reticulum from healthy and normal embryos/ foeti of Indian goat. Embryos/foeti were assigned into three groups. Histo-differentiation of reticulum of goat stomach took place at 38 days of gestation. The wall of foetal reticulum was made up of three strata i. e. epithelium, pleuripotent blastemic tissue and serosa up to 49 days of fetal age and definite four layers viz. epithelium, propria-submucosa, tunica muscularis and serosa were observed first at 51 days of gestation. Upto 100 days of gestation the reticulum was lined by undifferentiated stratified epithelium and thereafter gradually transformed into stratified squamous epithelium. Keratinization was noticed at term. Primary and secondary reticular crests made their appearance at 60 and 112 days of gestation, respectively. Corial papillae were detected in primary and secondary reticular crests at 121 and 145 days of gestation, respectively. Near term, the core of the reticular crest also contained muscularis mucosae in its proximal 1/3rd region while core of the corial papillae contained only lamina propria. Reticular, collagen and elastic fibers came into sight at 46, 100 and 134 days of gestation, respectively.Summary statementThe study was conducted on intrauterine reticulum of Indian goat. From this study it can be concluded that the histogenesis of reticulum was almost completed in prenatal life. However, to become functional it still required more time as the relative sizes of reticulum and process of keratinization were yet to be completed.

scholarly journals CLINICAL EVALUATION OF EFFICACY OF KUSTHADI CHURNA WITH UDUMBARADI TAILA IN THE MANAGEMENT OF KARNINI YONIVYAPAD W.S.R. TO CERVICAL EROSION

2016 ◽  
Author(s):  
*Chaurasia Ranju Kumari ◽  
C.M. Jain ◽  
B. Pushplatha ◽  
K. Bharathi
Keyword(s):  
Clinical Evaluation ◽  
Squamous Epithelium ◽  
Therapy Group ◽  
Benign Lesion ◽  
Signs And Symptoms ◽  
Columnar Epithelium ◽  
Single Drug ◽  
Group A ◽  
Stratified Squamous Epithelium ◽  
Group B

Karnini yonivyapad is one of the gynaecological disorders described in Ayurveda under the umbrella of the Yonivyapad. According to the signs and symptoms, it is more nearer to the benign lesion cervical erosion, which occurs due to the replacement of the stratified squamous epithelium of the portio-vaginalis by the columnar epithelium of endocervix. The treatment is designed to destruct the columnar epithelium by any method and to promote the re-epithelization of the squamous tissues. Keeping this point in view, the present clinical trial is taken up with the aim of clinical evaluation of efficacy of Kusthadi churna with Udumbaradi taila in the management of Karnini yonivyapad (cervical erosion). Kusthadi churna along with Yonipichu with Udumbaradi taila group-A, and group-B only Udumbaradi taila yonipichu, and results were assessed on the basis of the epithelization of erosion and improvement in the symptoms. The study reveals that the mixed therapy group showed better results than the group of single drug.

scholarly journals Prenatal development of the lingual epithelium in goat (Capra hircus)

2017 ◽  
Vol 9 (1) ◽  
pp. 421-426
Author(s):  
Yousuf Dar ◽  
Kamal Sarma ◽  
Shalini Suri ◽  
Jonali Devi
Keyword(s):  
Gestational Age ◽  
Squamous Epithelium ◽  
Age Groups ◽  
Basal Layer ◽  
Prenatal Development ◽  
Capra Hircus ◽  
Lingual Epithelium ◽  
Stage Of Development ◽  
Group I ◽  
Stratified Squamous Epithelium

The present study was conducted on the tongue of 18 goat foetii divided into three prenatal age groups viz- Group I ( below 50 days of gestation), Group II ( between 50-100 days of gestation) and Group III ( above 100 days of gestation to up to full term) containing 6 number of foetii in each group to study the sequential events in regard to histological development of the same in goat foetii. The tongue was lined by 3-4 layered epithelium in the foetus at 40 days of gestation (CRL= 2.40cm). The lingual epithelium consisted of a basal layer of cuboidal cells with squamous to cuboidal shaped more superficial layers. At 62 days of gestation (CRL= 10.10 cm), the lamina epithelialis of the tongue of goat foetus was distinctly stratified. At this stage of development, the epithelial layers could be divided into dark basal and a light apical or superficial zones. At 80-84 days of gestation (CRL=15.3 to 16.0 cm), the stratified squamous epithelium of the tongue was better developed both on the dorsum and ventral surfaces. At 93 days of gestation (CRL= 20.6 cm), the stratified squamous epithelium of the tongue was well developed and all the layers of the epithelium could be observed. In the foetii of gestational age of 100 days onwards, the lingual epithelium of the tongue showed various degrees of keratinization. Thus, it was concluded that the tongue of goat was lined with 3-4 layers of epithelial cells. The degree of stratification increased with an increase in gestational age. Also with age there was an increase in the degree of keratinization. This research further implicated that with further advancement of age the basal layer of the epithelium comprised high cylindrical cells along with well defined basement membrane. The decrepancy of histogenesis and keratogenesis between different species may be due to difference in the duration of the gestation period.

scholarly journals GATA4 regulates epithelial morphogenesis in the developing mouse stomach to promote establishment of a glandular columnar epithelium

2020 ◽  
Author(s):  
Ann DeLaForest ◽  
Bridget M. Kohlnhofer ◽  
Olivia D. Franklin ◽  
Roman Stavniichuk ◽  
Cayla A. Thompson ◽  
...  
Keyword(s):  
Transcription Factor ◽  
Structural Changes ◽  
Squamous Epithelium ◽  
Epithelial Morphogenesis ◽  
Columnar Epithelium ◽  
Primary Role ◽  
Disease Mechanisms ◽  
Stratified Squamous Epithelium ◽  
Foregut Endoderm ◽  
Insight Into

AbstractThe transcription factor GATA4 is broadly expressed in nascent foregut endoderm. As development progresses, GATA4 is lost in the domain giving rise to the stratified squamous epithelium of the esophagus and forestomach (FS), while it is maintained in the domain giving rise to the simple columnar epithelium of the hindstomach (HS). Differential GATA4 expression within these domains coincides with the onset of distinct tissue morphogenetic events, suggesting a role for GATA4 in diversifying foregut endoderm into discrete esophageal/FS and HS tissues. By eliminating GATA4 in the developing HS or maintaining GATA4 in the developing FS, we identified GATA4 as an essential, principal regulator of simple columnar epithelium morphogenesis within the developing HS. GATA4- deficient HS epithelium adopted FS-like fate, and conversely, GATA4- expressing FS epithelium adopted HS-like fate. Underlying structural changes in these epithelia were broad changes in gene expression networks attributable to GATA4 directly activating or repressing expression of HS or FS defining transcripts. Our data implicate GATA4 as having a primary role in suppressing an esophageal/FS transcription factor network during HS development to promote a columnar epithelium. Moreover, GATA4-dependent phenotypes in developmental mutants reflected changes associated with Barrett’s esophagus, suggesting that developmental biology can provide insight into human disease mechanisms.

Electrical parameters and ion species for active transport in human esophageal stratified squamous epithelium and Barrett's specialized columnar epithelium

2007 ◽  
Vol 293 (1) ◽  
pp. G264-G270 ◽  
Author(s):  
N. A. Tobey ◽  
C. M. Argote ◽  
X. C. Vanegas ◽  
W. Barlow ◽  
R. C. Orlando
Keyword(s):  
Active Transport ◽  
Reflux Disease ◽  
Squamous Epithelium ◽  
Columnar Epithelium ◽  
Esophageal Disease ◽  
Sodium Absorption ◽  
Low Level ◽  
Stratified Squamous Epithelium ◽  
High Level ◽  
Specialized Columnar Epithelium

The human esophagus is lined by stratified squamous epithelium (ESSE), and in some subjects with reflux disease the distal esophagus becomes lined by Barrett's specialized columnar epithelium (BSCE). ESSE and BSCE differ both histologically and functionally, the latter evident by differences in their in vivo transmural electrical potential difference (PD), ESSE averaging −15 mV and BSCE being greater than −25 mV. In this report we examine the basis for this difference in PD. This is done by mounting endoscopic biopsies of ESSE from 25 subjects without esophageal disease and BSCE from 19 with Barrett's esophagus in mini-Ussing chambers for electrical recordings basally and after bathing solution ion replacement. The results show that the PD of human ESSE reflects a low level of active ion transport (5.1 ± 0.8 μA/cm2) combined with a high level of tissue (electrical) resistance (344 ± 34 Ω·cm2) and that of BSCE reflects a high level of active transport (43.6 ± 11.6 μA/cm2) combined with a low level of resistance (69 ± 8 Ω·cm2). Furthermore, active transport in ESSE was principally due to sodium absorption whereas in BSCE it was equally divided between sodium absorption and anion (chloride/bicarbonate) secretion, the latter through an apical membrane, 4-acetamido4′-isothiocyano-2,2′-stilbenedisulfonic acid-sensitive anion channel. As an anion-secreting tissue with bicarbonate secretory capacity more than fivefold greater than ESSE, BSCE is better suited than ESSE for defense of the esophagus against reflux disease.

Volar adhesive pads of the feathertail glider, Acrobates pygmaeus (Marsupialia; Acrobatidae)

1999 ◽  
Vol 77 (2) ◽  
pp. 233-248 ◽  
Author(s):  
Herbert I Rosenberg ◽  
Robert Rose
Keyword(s):  
Stratum Corneum ◽  
Sweat Gland ◽  
Squamous Epithelium ◽  
Histological Study ◽  
Capillary Adhesion ◽  
Sminthopsis Crassicaudata ◽  
Adhesive Pads ◽  
Stratified Squamous Epithelium ◽  
Volar Surface

The feathertail glider (Acrobates pygmaeus) is a mouse-sized marsupial that can cling to and run on smooth vertical panes of glass. To understand this remarkable ability, a comparative histological study of pads on the volar surface of the pes and manus of four species of marsupials was completed. Acrobates pygmaeus and Cercartetus concinnus have well-developed volar pads that consist of epidermal ridge - sweat gland complexes. Such pads are less developed in Tarsipes rostratus and are not externally visible in Sminthopsis crassicaudata. In addition to its possible role in capillary adhesion, the epidermal ridge - sweat gland complex of A. pygmaeus has a unique epidermal histo-architecture. Here, the stratum corneum consists of horizontal rows of cell remnants that do not become flattened or adpressed to form a stratified squamous epithelium. It is proposed that the tall stratum corneum resists shear and compression that develop when the feathertail glider completes a glide.

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