✦ LIBER ✦

Glycogen in lens of tunicate tadpole (Chordata: Ascidiacea)

✍ Scribed by Eakin, Richard M. ;Kuda, Aileen

Book ID: 102893390
Publisher: John Wiley and Sons
Year: 1972
Tongue: English
Weight: 625 KB
Volume: 180
Category: Article
ISSN: 0022-104X
DOI: 10.1002/jez.1401800212

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✦ Synopsis

The larval eye (cerebral ocellus) of an ascidian, Ciona intestinalis, possesses a lens of three cells: in the center of each is a large granular body. Several lines of evidence indicate that the lens bodies are composed of beta particles of glycogen. The granules have diameters of 300-400 A; they stain lightly with lead citrate; they are PAS positive (periodic acid Schiff reaction); they are digestible with alpha amylase; and they respond positively to ThiCry's silver proteinate stain.

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