ultimobranchial body


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Related to ultimobranchial body: Ultimobranchial Gland

ultimobranchial body

[¦əl·tə·mō′braŋ·kē·əl ′bäd·ē]
(embryology)
One of the small, endocrine structures which originate as terminal outpocketings from each side of the embryonic vertebrate pharynx; can produce the hormone calcitonin.
References in periodicals archive ?
C cells arise from the ultimobranchial body, which is derived from the fourth pharyngeal pouch, and they are found in the upper and middle areas of the thyroid lobes.
The second group consists of carcinoma arising from parafollicular cells of ultimobranchial body of neural crest, which is the medullary carcinoma.