| base of phalanx | The expanded proximal end of each phalanx in the hand or foot that articulates with the head of the next proximal bone in the digit. Synonym: basis phalangis. (05 Mar 2000) |
|---|---|
| body of phalanx | The shaft of each phalanx of the hand or foot. Synonym: corpus phalangis. (05 Mar 2000) |
| phalanx | <anatomy> A finger bone. There are three phalanges in each digit, except the thumb which only has two. (27 Sep 1997) |
| head of phalanx | The rounded articular surface at the distal end of the proximal and middle phalanx of each finger and toe. Synonym: caput phalangis, trochlea phalangis. (05 Mar 2000) |
| tuberosity of distal phalanx | A roughened raised surface of horseshoe shape on the palmar surface of the distal end of the terminal or ungual phalanx of each finger and toe, which serves to support the pulp of the digit. Synonym: tuberositas phalangis distalis, tuberositas unguicularis, ungual tuberosity. (05 Mar 2000) |
| tufted phalanx | One of the terminal phalanges of the fingers in acromegaly; it has an expanded extremity resembling a sheaf of wheat. (05 Mar 2000) |
| ungual phalanx | The distal phalanx of each of the digits; so called because of the flattened tuberosity at its termination which supports the nail. (05 Mar 2000) |
| accessory meningeal branch of middle meningeal artery | <anatomy, artery> A branch of either the middle meningeal or maxillary artery in the infratemporal fossa and passing superiorly through the foramen ovale to supply the trigeminal ganglion, dura mater and inner table of bone. Synonym: ramus meningeus accessorius arteriae meningeae mediae. (05 Mar 2000) |
| anastomotic branch of middle meningeal artery to lacrimal artery | <anatomy, artery> A branch of the middle meningeal artery arising in the cranial cavity which runs anteriorly through the superior orbital fissure to anastomose with the lacrimal artery. See: orbital branch of middle meningeal artery. Synonym: ramus anastomoticus arteriae meningeae mediae cum lacrimali. (05 Mar 2000) |
| anterior wall of middle ear | It contains the carotid canal and the opening of the auditory tube. Synonym: paries caroticus cavi tympani, anterior wall of middle ear, carotid wall of middle ear. (05 Mar 2000) |
| carotid wall of middle ear | It contains the carotid canal and the opening of the auditory tube. Synonym: paries caroticus cavi tympani, anterior wall of middle ear, carotid wall of middle ear. (05 Mar 2000) |
| parietal branch of middle meningeal artery | <anatomy, artery> Smaller terminal branch (with frontal branch) of middle meningeal artery supplying posterior portion of lateral and superior dura and cranium. Synonym: ramus parietalis arteriae meningeae mediae. (05 Mar 2000) |
| mastoid wall of middle ear | It contains the opening into the mastoid antrum. Synonym: paries mastoideus cavi tympani, mastoid wall of middle ear, posterior wall of middle ear. (05 Mar 2000) |
| cavity of middle ear | An air chamber in the temporal bone containing the ossicles; it is lined with mucous membrane and is continuous with the auditory tube anteriorly and the tympanic antrum and mastoid air cells posteriorly. Synonym: cavitas tympanica, cavity of middle ear, cavum tympani, tympanum. (05 Mar 2000) |
| medial wall of middle ear | A bony layer separating the middle from the internal ear or labyrinth; it contains the fenestra vestibuli and the fenestra cochleae. Synonym: paries labyrinthicus cavi tympani, labyrinthine wall of middle ear, medial wall of middle ear. (05 Mar 2000) |