Histomorphological and Histochemical Changes during Prenatal Development in Rectum of Goat (Capra hircus)


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Authors

  • Raghav S Department of Veterinary Anatomy, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana - 141 004, Punjab (India)
  • Opinder Singh Professor, Department of Veterinary Anatomy, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana - 141 004, Punjab (India)
  • Devendra Pathak Principal Scientist, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana - 141 004, Punjab (India)

Keywords:

Rectum, Histochemical, Histomorphological, Prenatal

Abstract

The present study was conducted on the rectum of twenty-one goat fetuses (n = 21) of different gestation periods. The mucosal projections appeared in the rectum during early stages of development at 45 days (W =3 g), while 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 and stratified during early development and began to transform into simple columnar epithelium at 107 days (W = 400 g). The goblet cells appeared in the caecum at 91 days (W = 200 g). The intestinal glands were fully differentiated in the caecum at 120 days (W = 650 g). The lamina muscularis mucosae appeared in the caecum for 130 days (W = 900 g). Tunica muscularis comprised of an inner circular and an outer longitudinal layer in a full-term fetus. The tunica serosa was well organized at full term. Histochemical studies showed varying amounts of acid- and neutral-mucopolysaccharides, total lipids, and phospholipids.

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Submitted

2026-06-21

Published

2026-06-22

How to Cite

Shweta Raghav, Opinder Singh, & Devendra Pathak. (2026). Histomorphological and Histochemical Changes during Prenatal Development in Rectum of Goat (Capra hircus) . Indian Journal of Veterinary Anatomy, 37(2), 156-164. https://epubs.icar.org.in/index.php/IJVA/article/view/180541