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ThesisItem Open Access Studies on the postnatal development of the epididymis in the Malabari goat (capra hircus)(Department of Anatomy, College of Veterinary and Animal Sciences, Mannuthy, 1975) Harshan, K R; KAU; Radhakrishnan, KThe postnatal development of epididymis was described and illustrated from studies in 39 Malabari goats, divided into 13 groups, ranging from day old to 180 days of age. The weight of epididymis was positively correlated to age and body weight. The epididymal weight was more significantly correlated to body weight than to age. The left epididymis was found to be significantly heavier than the right. The length and thickness of the head, the body and the tail of the epididymis increased with increase in the weight of the organ. The tunica albuginea was found to be fibro- muscular in structure. The interstitial tissue was fibrous. The diameter of the epididymal duct and its lumen increased with increase in age. Both these measurements were highest in the cauda, less in the corpus and least in the caput. The process of pseudostratification of the epithelial lining of lumen of the duct was completed at first in the cauda, secondly in the corpus and finally in the caput. Regional differences in the height of epithelium was noticed, the highest being in the caput, lower in the corpus and lowest in the cauda. The epithelial height increased with advance in age. Sperms were observed at 165 days of age in the lumen of the epididymal duct. The concentration of sperm was maximum in the cauda, slightly less in the corpus and least in the caput. The lumen of the epididymis of the 150 days and 165 days old goats showed some spherical cells with spherical nuclei. These were considered to be spermatogenic cells coming from the testis.
