Ultimobranchial body
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(Redirected from Ultimobranchial bodies)
| Ultimobranchial body | |
|---|---|
| Precursor | fourth pharyngeal pouch |
| Gives rise to | parafollicular cells |
| MeSH | Ultimobranchial+body |
The ultimobranchial body or gland is a small organ found in the neck region of many animals.
In humans, the ultimobranchial body is an embryological structure that gives rise to the calcitonin-producing cells—also called parafollicular cells or clear cells—of the thyroid gland. In humans, this body is a derivative of the ventral recess of the fourth pharyngeal pouch[1] (or fifth)[2]
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As in Avian ultimobranchial glands they produce some hormones that influence other endocrine glands and others that act directly on target organs; Morning Star
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