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Cytological studies of the epidermis of Rana pipiens and Rana clamitans tadpoles, with special reference to the figures of Eberth
Author(s) -
Weed Isabelle Gifford
Publication year - 1934
Publication title -
journal of morphology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.652
H-Index - 74
eISSN - 1097-4687
pISSN - 0362-2525
DOI - 10.1002/jmor.1050560202
Subject(s) - biology , rana , tadpole (physics) , metamorphosis , epidermis (zoology) , larva , anatomy , basal (medicine) , zoology , ecology , endocrinology , physics , particle physics , insulin
The conspicuous intracellular fibers (figures of Eberth) which are present in the basal epidermal cells of Rana pipiens and Rana clamitans tadpoles are thought to be connective tissue branches from the corium. They are not believed to represent fused mitochondria as concluded by Saguchi ('13). Their probable function is to furnish support to the basal epidermal cells and to strengthen the connection of the epithelial layer to the corium. It is believed that fully developed tadpole skin, before the period of metamorphosis has begun, consists of only two layers of cells, although there may appear to be more. Each of these layers is believed to be self‐maintaining by mitotic division within the individual layer. The basal layer apparently does not furnish cells to the outer layer, nor was any evidence found that the outer layer is sloughed during the larval period.