Preferred Label : rectal valve;
Uberon definition : A thin diaphragm located in the posterior fifth of the intestine of some Centrolophidae,
e.g. Seriolella punctata, Schedophilus huttoni and Psenes pellucidus, or in others
a sphincter-like constriction, e.g. Seriolella brama. A deep purple fluid was confined
to the valve in S. punctata, but was found throughout the intestine in the other two
species referred to. The fluid might be used to void a coloured cloud to distract
or deter a predator.;
Origin ID : 0017627;
part of
A thin diaphragm located in the posterior fifth of the intestine of some Centrolophidae,
e.g. Seriolella punctata, Schedophilus huttoni and Psenes pellucidus, or in others
a sphincter-like constriction, e.g. Seriolella brama. A deep purple fluid was confined
to the valve in S. punctata, but was found throughout the intestine in the other two
species referred to. The fluid might be used to void a coloured cloud to distract
or deter a predator.
