数種の魚類の孵化腺細胞の分布

概要

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In embryos just befor hatching of the following species of teleosts, Enedrias nebulosus, Salarias enosimae, Oncorhynchus formosanus, the distribution of hatching gland cells was observed. 1) In Enedrias nebulosus, the number of the hatching gland cells approximates 900 in total They are found in the epithelium covering the surface of the head and of the frontal part of the yolk sac (Fig.1).2) In Salarias enosimae, the hatching gland cells number about 300 in total. They appear in the epithelium covering the surface of the head (Fig.2). 3) In Oncorhynchus formosanus, the hatching gland cells, about 4, 000 in number, are found in the epithelium covering the surface of the head, oral cavity and the frontal part of the yolk sac (Fig.3). A similar situation was found in the dog salmon and rainbow trout.
社団法人日本動物学会の論文
1961-10-15