-
facilitate their action as a
sphincter.
Functional sphincters do not have this
localised muscle thickening and
achieve their sphincteric action through muscle...
-
urethral sphincter and the
internal urethral sphincter. When
either of
these muscles contracts, the
urethra is
sealed shut. The
external urethral sphincter originates...
-
Strident vowels (also
called sphincteric vowels) are
strongly pharyngealized vowels accompanied by an (ary)epiglottal trill, with the
larynx being raised...
-
acute angle of His and the
lower crura of the
diaphragm also help this
sphincteric action.
About 20,000 protein-coding
genes are
expressed in
human cells...
- The
sphincter of Oddi (also
hepatopancreatic sphincter or Glisson's
sphincter),
abbreviated as SO, is a
muscular valve that in some animals, including...
-
Sphincter paralysis is
paralysis of one of the body's many
sphincters,
preventing it from
constricting normally. Case
studies have
shown patients may...
- The
external anal
sphincter (or
sphincter ani externus) is an oval tube of
skeletal muscle fibers. Distally, it is
adherent to the skin
surrounding the...
- A
precapillary sphincter is a band of
contractile mural cells either classified as
smooth muscle or
pericytes that
adjusts blood flow into capillaries...
- The iris
sphincter muscle (pupillary
sphincter,
pupillary constrictor,
circular muscle of iris,
circular fibers) is a
muscle in the part of the eye called...
- The
internal anal
sphincter, IAS, or
sphincter ani
internus is a ring of
smooth muscle that
surrounds about 2.5–4.0 cm of the anal canal. It is
about 5 mm...
