isthmus of uterus


isthmus

 [is´mus] a narrow connection between two larger bodies or parts. adj., adj isth´mian.isthmus of auditory tube (isthmus of eustachian tube) the narrowest part of the eustachian tube at the junction of its bony and cartilaginous parts.isthmus of fauces (isthmus fau´cium) the constricted aperture between the cavity of the mouth and the pharynx.isthmus of rhombencephalon the narrow segment of the fetal brain, forming the plane of separation between the rhombencephalon and cerebrum.isthmus of thyroid the band of tissue joining the lobes of the thyroid.Isthmus of thyroid gland, connecting the two lobes. From Dorland's, 2000.isthmus of uterine tube the narrower, thicker-walled portion of the fallopian (uterine) tube closest to the uterus.isthmus of uterus the constricted part of the uterus between the cervix and the body of the uterus.

isth·mus of u·ter·us

[TA] an elongated constriction at the junction of the body and cervix of the uterus. Synonym(s): isthmus uteri [TA], Guyon isthmus, orificium internum uteri, os uteri internum, ostium uteri internum

isthmus of uterus

A narrowing of the body of the uterus just above the cervix.See also: isthmus

Guyon,

Felix J.C., French surgeon, 1831-1920. Guyon amputation - amputation above the malleoli, a modification of Syme amputation.Guyon bougieGuyon canalGuyon catheter guideGuyon clampGuyon curettageGuyon dilatorGuyon exploratory bougieGuyon isthmus - an elongated constriction at the junction of the body and cervix of the uterus. Synonym(s): isthmus of uterusGuyon sign - ballottement of the kidney in cases of nephroptosis, especially when there is also a renal tumor.Guyon soundGuyon ureteral soundGuyon vessel clamp