Histomorphological And Histochemical Studies On  Embryonic Differentiation Of Goat Caecum

Shweta Raghav; Opinder Singh

doi:10.48165/

Authors

Shweta Raghav Department of Veterinary Anatomy, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana - 141 004, Punjab (India)
Opinder Singh Department of Veterinary Anatomy, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana - 141 004, Punjab (India)

DOI:

https://doi.org/10.48165/

Keywords:

Caecum, goat, histomorphology, histochemistry, prenatal

Abstract

The present study was conducted on caecum of twenty one goat fetuses (n = 21) of different gestation periods. The mucosal projections appeared in caecum during early stages of development at 45 days (W =3 g) while as villi were first observed at 78 days (w = 100 g). The degeneration of villi started at 107 days (W = 400 g) and villi disappeared at 130 days (W = 900 g). The epithelium was undifferentiated stratified-type during early development and started transforming to simple columnar at 107 days (W = 400 g). The goblet cells appeared in caecum at 91 days (W = 200 g). The intestinal glands were fully differentiated in caecum at 120 days (W = 650 g). The lamina muscularis mucosae appeared in caecum at 130 days (W = 900 g). Tunica muscularis comprised of inner circular and outer longitudinal layer in full term fetus. Tunica serosa was well organized at full term. The varying amounts of muco polysacchagoatrides, total lipids, and phospholipids were localized.

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