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Topic: Neotenin


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  [termites] endocrinological scale
Although the presence of soldiers in termite colonies inhibits further soldier differentiation, juvenile hormone, secreted in corpora allata located behind the brain, influences growth.
JH (neotenin) ensures growth of larva, while preventing metamorphosis.
JH also has a prothoracicotropic (hormone that stimulates the prothoracic glands to synthesize and release ecdysone, and is therefore a key hormone for the regulation of insect molting and metamorphosis) action as it induces molts.
student.biology.arizona.edu /honors2004/group06/endo.html   (704 words)

  
 neotenin - OneLook Dictionary Search
We found 2 dictionaries with English definitions that include the word neotenin :
Tip: Click on the first link on a line below to go directly to a page where "neotenin" is defined.
neotenin : Science and Biotechnology [ home, info ]
onelook.com /?w=neotenin   (80 words)

  
 Entomologie - Grundlagenforschung: Hermann und Anna Levinson
In den Imagines wirken Ecdyson und Neotenin als gonadotrope Hormone.
Da Neotenin und Ecdyson in gleichen Mengen das Larvenwachstum fördern, war es naheliegend zu untersuchen, ob Verabreichung von Juvenilhormon bzw.
LEVINSON,H. : Studies on the juvenile hormone (neotenin) activity of various hormonomimetic substances.
www.hermann-levinson.de /entomologische_grundlagenforschung.htm   (1820 words)

  
 Insects -- Encylopedic Reference of Parasitology
Thus, the membranes between sclerites (segments) lack the rigid exocuticle, and the endo- and epicuticle remain smooth to allow body flexion.
) occurs due to activity of hormones such as ecdyson, neotenin etc. (
The quickly acting muscles of insects as well as arthropods are always of the cross-striated type (
parasitology.informatik.uni-wuerzburg.de /login/n/h/0715.html   (2726 words)

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