Page 331 - Veterinary Histology of Domestic Mammals and Birds, 5th Edition

Female reproductive system (organa genitalia feminina) 313

VetBooks.ir

14.16 Scanning electron microscope image of the surface of the oocyte of a cow with spermatozoa.

14.17 Scanning electron microscope image of the sur- 14.18 Mucosal folds in the ampulla of the uterine
face of ciliated epithelial cells of the ampulla tubae tube (cat). Azan stain (x40).
uterinae (cow in oestrus; x3200).

The mucosal folds diminish along the length of the nar- Structure of the uterine tube
row terminal section of the uterine tube (isthmus tubae The wall of the uterine tube consists of the:
uterinae), eventually disappearing before the junction
with the uterine mucosa. Concomitantly, the thickness · tunica mucosa:
of the muscular tunic increases. Nutritional support for − ciliated simple or pseudostratified columnar epi-
the embryo is provided by increasing volumes of mucus. thelium with secretory cells, peg cells and basal
The role of the zona pellucida is described above under cells,
‘Secondary follicles’. − lamina propria mucosae,
· tunica muscularis:
− stratum circulare,
− stratum longitudinale,
• tela subserosa and
• tunica serosa.

Vet Histology.indb 313 16/07/2019 15:05