ultimobranchial body(redirected from Ultimobranchial Gland)
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Related to Ultimobranchial Gland: Ultimobranchial body
One of two embryonic pharyngeal pouches usually considered as rudimentary fifth pouches. They become separated from the pharynx and incorporated into the thyroid gland, where they give rise to parafollicular cells that secrete calcitonin, a hormone that lowers the blood calcium level.
See also: body