isthmus of thyroid

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Related to isthmus of thyroid: isthmus of thyroid gland


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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
References in periodicals archive ?
Agenesis of isthmus of thyroid gland with levator glandulae thyoideae.
The agenesis of isthmus of thyroid gland as noted may be due to a high separation of thyroglossal duct which can engender two independent thyroid lobes and pyramidal lobe with the absence of isthmus.
Agenesis of isthmus of thyroid gland with bilateral levator glandulae throideae : International Journal of Anatomical Variations (2009) 2;29-30