GROSS AND HISTOMORPHOLOGICAL STUDIES ON FEMALE REPRODUCTIVE SYSTEM OF ADULT NON- DESCRIPT GOAT (Capra hircus) DURING VARIOUS STAGES OF FOLLICULOGENESIS
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Date
2006
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Chhattisgarh Kamdhenu Vishwavidyalaya
Abstract
The present investigation was carried out to study the “Gross and histomorphological studies on female reproductive system of adult non-descript goat (Capra hircus) during various stages of folliculogenesis”. The whole experiment was divided in gross and histomorphological studies. For histomorphological studies the organs were classified on the basis of size of the largest follicle on surface of one of the ovaries as in group A up to 4 mm, group B 4-6 mm and group C more than 6 mm.
The average length, width, thickness and weight of right and left ovaries were 1.49 ± 0.04 cm, 0.93 ± 0.05 cm, 0.29 ± 0.04 cm, 1.14 ± 0.12 gm and 1.45 ± 0.06 cm, 0.76 ± 0.06 cm, 0.16 ± 0.008 cm, 0.46 ± 0.084 gm, respectively. The average length of right and left fallopian tube was 12.2 ± 0.41 cm and 12.21 ± 0.53 cm respectively. The width of infundibulum, ampulla and isthmus of right and left fallopian tube were 0.24 ± 0.01 cm, 0.15 ± 0.006 cm, 0.23 ± 0.006 cm and 0.24 ± 0.08 cm, 0.18 ± 0.01cm, 0.23 ± 0.009 cm, respectively. The average length, width and thickness of right and left horn of uterus were 15.19 ± 0.73 cm, 1.25 ± 0.12 cm, 0.38 ± 0.02 cm and 15.15 ± 0.83 cm, 1.04 ± 0.08 cm, 0.40 ± 0.02 cm, respectively. There were four rows of caruncles in both of the uterine horns. The number of caruncles per row varied from 71 to 87. The size of caruncles as large in mid uterine horns. The average length, width and thickness of corpus uterus were 2.08 ± 0.18 cm, 1.37 ± 0.08 cm and 0.42 ± 0.05 cm, respectively. The average length width and thickness of cervix were 1.44 ± 0.06 cm, 1.24 ± 0.59 cm and 0.38 ± 0.07 cm, respectively. The average length of vagina was 6.56 ± 0.23 cm.
Histomorphologically the ovary was covered by germinal epithelium which decreased in height from 8.34 ± 0.99 μm in group A ( Ovary with surface follicle of up to 4 mm diameter) to 5.22 ± 1.033 μm in group C (Ovary with surface follicle of more than 6 mm diameter). The shape changed from cuboidal to squamous type. The range diameter of the follicles was 96.00 - 691.00 μm, 720.00 – 1440.00 μm and 2400.00 – 4032.00 μm in group A, B and C respectively. The membrana granulosa and liquor folliculi gave intense positive response to PAS- Alcian blue.
The fallopian tube had layer like tunica mucosa, tela submucosa, tunica muscularis and tunica serosa. The heights of the folds,height of epithelium and cilliation was more in all three regions i.e. infundibulum, ampulla and isthmus in specimen of group C. A variable activity from low to moderate was noticed for presence of mucosubstances in the epithelium and glands of the fallopian tube.
The wall of uterus was consisted of endometrium, myometrium and perimetrium. The endometrium was lined by pseudostratified columnar epithelium. Pronounced secretory activity was noticed in the specimens of group C in all three regions of uterus. In the cervix intense positive PAS- Alcian blue activity was specially marked.
The vagina showed longitudinal mucosal folds. The vaginal epithelium was stratified squamous non-keratinized in group A and C. The thickness of epithelium was highest in group C. The density, vascularity and cellularity of the propria submucosa increased from group A to C.
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