Prothoracicotropic hormone

Prothoracicotropic hormone (PTTH) was the first insect

sessile ligated abdomen or an abdomen under diapause^[3]^[4]

would induce molting or pupation. Thus, the brain was originally thought to be the source of the hormone that induces molting in insects.

Later it was established that the

haemolymph. Molting hormone stimulates the molting process.^[5]^[6]

References

JSTOR 1536759
. Retrieved 2012-02-26.

^ Wigglesworth, V.B. (1934). "The physiology of ecdysis in Rhodnius prolixus (Hemiptera). II Factors controlling moulting and metamorphosis". Q. J. Microsc. Sci. 77: 191–223.

PMID 20268135
. Retrieved 2012-02-26.

JSTOR 1538411
. Retrieved 2012-02-26.

^ Chapman, R.F. 1998. The Insects: Structure and Function. 4th edition, Cambridge University Press.

^ Klowden, M.J. 2007. Physiological Systems in Insects. 2nd edition, Academic Press.

Retrieved from "https://en.wikipedia.org/w/index.php?title=Prothoracicotropic_hormone&oldid=1216885661"

[1] JSTOR 1536759
. Retrieved 2012-02-26.

[2] Wigglesworth, V.B. (1934). "The physiology of ecdysis in Rhodnius prolixus (Hemiptera). II Factors controlling moulting and metamorphosis". Q. J. Microsc. Sci. 77: 191–223.

[3] PMID 20268135
. Retrieved 2012-02-26.

[4] JSTOR 1538411
. Retrieved 2012-02-26.

[5] Chapman, R.F. 1998. The Insects: Structure and Function. 4th edition, Cambridge University Press.

[6] Klowden, M.J. 2007. Physiological Systems in Insects. 2nd edition, Academic Press.

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[4]

[5]

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