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Isthmic

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• Isthmus

  [is-muh s] /ˈɪs məs/ noun, plural isthmuses, isthmi [is-mahy] /ˈɪs maɪ/ (Show IPA) 1. a narrow strip of land, bordered on both sides by water, connecting two larger bodies of land. 2. Anatomy, Zoology. a connecting, usually narrow, part, organ, or passage, especially when joining structures or cavities larger than itself. 3. Ichthyology. the narrow […]

• Isthmus of auditory tube

  isthmus of auditory tube n. The narrowest portion of the auditory tube at the junction of the cartilaginous and bony portions. Also called isthmus of eustachian tube.

• Isthmus of fauces

  isthmus of fauces n. The constricted space that connects the cavity of the mouth and the pharynx.

• Isthmus of thyroid

  isthmus of thyroid n. The central part of the thyroid gland that joins the two lateral lobes.

• Isthmus of uterine tube

  isthmus of uterine tube n. The narrow portion of the uterine tube adjoining the uterus.

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