Secretion of Mucins in the Fallopian Tube Epithelium of the Bat Taphozous kachhensis Dobson


  • Institute of Science, Reproductive Biology Section, Department of Zoology, Nagpur, Maharashtra, 440001, India


Taphozous kachhensis is one of the largest Indian microchiropteran bats with a prominent gular pouch on the ventral side of the lower jaw. This is a seasonally monoestrous species and breeds once in a year. The Fallopian tube epithelium of T. kachhensis in both the segments, ampullary and isthumic, is lined by two cell types: ciliated and non-ciliated (secretory). The Fallopian tube shows alterations in its muco-subtances during estrus and pregnancy. The ciliated cells elaborate large quantity of glycogen, while non-ciliated cells elaborate high amounts of glycogen and neutral and acid mucins during estrus. Mucins are localized in the cytoplasm as well as cytoplasmic blebs. Glycogen and other muco-substances in non-ciliated cells decrease during pregnancy and the ciliated cells show a small amount of glycogen only. The concentration of muco-substances is highest during estrus, and the cytoplasmic blebs are numerous and prominent and are filled with secretion during this stage.


Bat, Estrus, Fallopian Tube, Pregnancy, Tubal Epithelium

Subject Discipline

Obstetrics and Gynaecology

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