ultimobranchial body

noun

: a hollow vesicle that is formed from the fourth pharyngeal pouch, may represent a fifth pharyngeal pouch, and gives rise to cells that produce calcitonin and later become incorporated into the thyroid gland in higher vertebrates or persist as distinct organs in birds and lower vertebrates

called also postbranchial body

Dictionary Entries Near ultimobranchial body

Cite this Entry

“Ultimobranchial body.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ultimobranchial%20body. Accessed 8 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!