tubotympanic recess
the elongate recess derived from the first pharyngeal pouch; its distal part contributes to the formation of the tympanic membrane, its proximal part elongates to form the pharyngotympanic tube, and its cavity gives rise to the tympanic cavity and mastoid antrum.

Medical dictionary. 2011.

Look at other dictionaries:

  • recess — A small hollow or indentation. SYN: recessus [TA]. [L. recessus] anterior r. a circumscript deepening of the interpeduncular fossa in the direction of the mamillary bodies. SYN: recessus anterior [TA]. anterior r. of tympanic …   Medical dictionary

  • tubotympanic canal — see under recess …   Medical dictionary

  • canal — A duct or channel; a tubular structure. SEE ALSO: c., duct. SYN: canalis [TA]. [L. canalis] abdominal c. SYN: inguinal c.. accessory c. a channel leading from the root …   Medical dictionary

  • Eustachian tube — Infobox Anatomy Name = Eustachian tube Latin = tuba auditiva GraySubject = 230 GrayPage = 1042 Caption = Anatomy of the human ear. Caption2 = MapPos = Eustachian Tube MapCaption = The middle ear Precursor = first branchial pouch System = Artery …   Wikipedia

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