暗黒に対するメダカの黒色素胞反応

島根大学理学部紀要 Volume 20 Page 59-62 published_at 1986-12-25
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Title
暗黒に対するメダカの黒色素胞反応
Title
Pigmentary Responses of Oryzias latipes to Darkness
Title Transcription
アンコク ニタイスル メダカ ノ コクショク ソホウ ハンノウ
Creator
Kinutani Jiro
Iga Tetsuro
Source Title
島根大学理学部紀要
Memoirs of the Faculty of Science, Shimane University
Volume 20
Start Page 59
End Page 62
Journal Identifire
ISSN 03879925
Descriptions
A freshwater teleost, Oryzias latipes, responded to darkness with paling of the skin, melanosome aggregation within melanophores. The response took about 24 hr to become equilibrated, intermediate tones, being different from the background response in light in the time-course of the response. Eye removal, hypophysectomy and pinealectomy did not affect this response to darkness. Spinal sectioned and chemically sympathectomized fishes failed to respond to darkness, remaining dark in darkness. Dibenamine-treated animals did not become pale in darkness. These results suggest that the sympathetic nerves play a primary role in the response to darkness.
Language
eng
Resource Type departmental bulletin paper
Publisher
島根大学理学部
The Faculty of Science, Shimane University
Date of Issued 1986-12-25
Access Rights open access
Relation
[NCID] AN00108106