isthmus /isth·mus/ (is´mus) pl. isth´mi a narrow connection between two larger bodies or parts.isth´mian
isthmus [is´mus]
isthmus of auditory tube , isthmus of eustachian tube the narrowest part of the auditory tube at the junction of its bony and cartilaginous parts.
isthmus of fauces 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 gland the band of tissue joining the lobes of the thyroid gland.
isthmus of uterine tube the narrower, thicker-walled portion of the uterine tube closest to the uterus.
isthmus of uterus the constricted part of the uterus between the cervix and the body of the uterus.
| isthmus of fauces n. The constricted space that connects the cavity of the mouth and the pharynx. |
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.
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