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Related to isthmus of thyroid gland: parathyroid gland, brachiocephalic vein

ISTHMUS. A tongue or strip of land between two seas. Glos. on Law, 37, book 2, tit. 3, of the Dig.

References in periodicals archive ?
Agenesis of isthmus of thyroid gland is difficult to determine and can be made out when the patients presents with thyroid pathologies.
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.
22) Devi Shankar reported the Agenesis of isthmus of thyroid gland with two pyramidal lobes; each one of them had levator glandulae thyroidae.