Definition of Sphincter. Meaning of Sphincter. Synonyms of Sphincter
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Definition of Sphincter
Sphincter Sphinc"ter, n. [NL., fr. ??? to bind tight.] (Anat.)
A muscle which surrounds, and by its contraction tends to
close, a natural opening; as, the sphincter of the bladder.
Sphincter Sphinc"ter, a. (Anat.)
Of, pertaining to, or designating, a sphincter; as, a
Meaning of Sphincter from wikipedia
- A sphincter
is a circular muscle
that normally maintains constriction
of a natural
body p****age or **** and which relaxes
- known respectively
as the upper esophageal sphincter
and the lower esophageal sphincter
. These sphincters
act to close
when food is not...
- urethral sphincter
and the internal urethral sphincter
. When either
of these muscles
contracts, the urethra
shut. The external urethral sphincter
- The sphincter
of Oddi (also hepatopancreatic sphincter
or Glisson's sphincter
as SO, is a muscular valve
that in some animals, including...
- greater curvature
of the stomach. Two sphincters
keep the contents
of the stomach
contained; the lower oesophageal sphincter
(found in the cardiac
- Sphincter paralysis
of one of the body's many sphincters
it from constricting
normally. Case studies
have shown patients
- The internal
, IAS, (or sphincter
ani internus) is a ring of smooth muscle
that surrounds about
2.5–4.0 cm of the anal canal; its inferior...
- The external
) is a flat plane
of skeletal muscle
and intimately adherent
- intergluteal cleft
from the genitals
by the perineum. Two sphincters control
the exit of **** from the body during
an act of defecation, which...
- The sphincter
as the choledochal sphincter
) is a sphincter located
in the common
bile duct before
with the pancreatic
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