The X-Organ of Crustacea

INTEREST in the location and identity of the X -organ of decapod crustaceans has been renewed with the discovery of its neurosecretory nature, for it is one of the major sources for the secretory material of the sinus gland 1–3 . The total endocrine complex formed by these two organs strikingly rese...

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Bibliographic Details
Published in:Nature (London) 1953-06, Vol.171 (4363), p.1070-1071
Main Authors: CARLISLE, D. B., PASSANO, L. M.
Format: Article
Language:English
Subjects:
Animals
Crustacea
Humanities and Social Sciences
Humans
letter
Mollusca
multidisciplinary
Old Medline
Science
Science (multidisciplinary)
Shellfish
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Summary:INTEREST in the location and identity of the X -organ of decapod crustaceans has been renewed with the discovery of its neurosecretory nature, for it is one of the major sources for the secretory material of the sinus gland 1–3 . The total endocrine complex formed by these two organs strikingly resembles the brain – corpora cardiaca complex of insects. The appearance of the X -organ varies in different species; but apparent homologues have been located in the nervous system of the eye-stalk of decapods by either of two methods: ( a ) from the original observation of Hanström 4,5 that it is usually associated with the innervation of the sensory pore or sensory papilla; or ( b ) from the recent discovery 1–3 that the X -organ is linked to the sinus gland by the X -organ sinus gland tract, otherwise called the sinus gland nerve.
ISSN:0028-0836
1476-4687
DOI:10.1038/1711070b0