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Updated: Aug 7, 2026

Diagnostic Necropsy and Selected Tissue and Sample Collection in Rats and Mice
Published on: August 7, 2011
[Unknown hepatoid glands of some species of cats and deer]
1A.N. Severtsov Institute for Problems of Ecology and Evolution, Russian Academy of Sciences, Leninsky Prosp. 33, Moscow, 117071 Russia.
Abstract:
Our histological description of the fourth type of mammalian skin glands--hepatiod glands--allowed us to revise the obtained and published data mistaking the alveolar glands of the anal sacs in cats and the limb glands in deers as sebaceous. Large clusters of hepatiod glands were discovered in the anal sacs of the cat, lynx, and tiger, interdigital gland of elk, and the tarsal gland of reindeer. These glands secrete considerable amounts of protein to the clearance of the intercellular canaliculi and contain hydrophobic lipids. The available data substantiate revision of the data on the structure of many skin glandular organs with atypical sebaceous glands.
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