See Also: ISTHMUS(law)
isthmus(medicine)
isthmus of His(medicine)
Isthmus(health)
isthmus(dictionary)
isthmus(dictionary)
isthmus of prostate(medicine)
isthmus of uterus(medicine)
isthmus pharyngonasalis(medicine)
isthmus of thyroid(medicine)

isthmus (iou)



isthmus noun. . M16.
[Latin from Greek isthmos.]
Geography. A narrow portion of land, enclosed on each side by water and connecting two larger bodies of land; a neck of land. M16.
Anatomy & Zoology. A narrow part or organ connecting two larger parts, as the fauces between the mouth and the pharynx, or the band of tissue between the two lobes of the thyroid gland. E18.