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Cloacal Sphincter

A muscle surrounding the cloacal membrane in the developing embryo; the posterior part forms the external anal sphincter.
National Institutes of Health

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Cloaca Chamber

Papers overview

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2006
2006
Hormonal and social modulation of cloacal muscle activity in female Japanese quail
2005
2005
Androgen mediation of conditioned rhythmic cloacal sphincter movements in Japanese Quail (Coturnix japonica).
Demonstrations of increased reproductive success due to sexual conditioning in Japanese quail (Coturnix japonica) have been… 
2004
2004
The effects of aromatase inhibition on testosterone-dependent conditioned rhythmic cloacal sphincter movements in male Japanese quail
2004
2004
Characterization of projections from a sexually dimorphic motor nucleus in the spinal cord of adult green anoles
Male green anoles possess two copulatory organs (hemipenes), which are independently controlled by bilateral muscles: the… 
1996
1996
Cloacal morphology of Nothura maculosa (Temminck, 1815), Aves tinamiformes.
1986
1986
Rotifer neuropharmacology--I. Cholinergic drug effects on oviposition of Philodina acuticornis (Rotifera, Aschelminthes).
1979
1979
Zur Losungsabgabe bei Tetraoniden und Entstehung der „Balzlosung“ beim Auerhahn (Tetrao urogallus L.)
ZusammenfassungAngaben über die Walzen- und Blinddarmlosung der Tetraoniden, deren Funktion sowie Entstehung und Abgabe wurden… 
1975
1975
The Anatomy and Embryology of the Pelvic Outlet in Female Goats
The levator ani is, contrary to earlier descriptions, interwoven at its insertion with the external anal sphincter and… 
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