| paries membranaceus tracheae | The part of the tracheal wall posteriorly that is not reinforced by tracheal cartilages. Synonym: paries membranaceus tracheae. (05 Mar 2000) |
|---|
| paries membranaceus cavi tympani | The wall formed mainly by the tympanic membrane. Synonym: paries membranaceus cavi tympani, lateral wall of middle ear, membranous wall of middle ear. (05 Mar 2000) |
|---|---|
| labyrinthus membranaceus | A complex arrangement of communicating membranous canaliculi and sacs, filled with endolymph and surrounded by perilymph, suspended within the cavity of the bony labyrinth; its chief divisions are the cochlear labyrinth and the vestibular labyrinth. Synonym: labyrinthus membranaceus. (05 Mar 2000) |
| bifurcatio tracheae | The division of the trachea into the right and left main bronchi; it occurs at the level of the fifth or sixth thoracic vertebral body and is marked internally by the presence of a carina or keel-like ridge between the diverging bronchi. Synonym: bifurcatio tracheae. (05 Mar 2000) |
| carina tracheae | The ridge separating the openings of the right and left main bronchi at their junction with the trachea. Synonym: carina tracheae. (05 Mar 2000) |
| tunica mucosa tracheae | The inner mucous layer of the trachea. Synonym: tunica mucosa tracheae. (05 Mar 2000) |
| tunica muscularis tracheae | Muscular layer of the tracheal wall. Synonym: tunica muscularis tracheae. (05 Mar 2000) |
| paries | Origin: See Parietes. <zoology> The triangular middle part of each segment of the shell of a barnacle. Source: Websters Dictionary (01 Mar 1998) |
| paries anterior gastris | The part of the gastric wall that faces the peritoneal cavity. Synonym: paries anterior gastris. (05 Mar 2000) |
| paries anterior vaginae | It is somewhat shorter than the posterior wall and at its upper end is penetrated by the cervix of the uterus. Synonym: paries anterior vaginae. (05 Mar 2000) |
| paries caroticus cavi tympani | 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) |
| paries externus ductus cochlearis | The wall that faces the outer side of the cochlea. Synonym: paries externus ductus cochlearis. (05 Mar 2000) |
| paries inferior orbitae | The floor of the orbit; the shortest of the four walls of the orbit, sloping upward from the orbital margin; it is comprised of the maxilla and orbital process of the palatine bone. Synonym: paries inferior orbitae, inferior wall of orbit. (05 Mar 2000) |
| paries jugularis cavi tympani | The floor of the tympanic cavity; a thin plate of bone separating the tympanic cavity from the jugular fossa. Synonym: paries jugularis cavi tympani, fundus tympani, inferior wall of tympanic cavity, jugular wall of middle ear. (05 Mar 2000) |
| paries labyrinthicus cavi tympani | 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) |
| paries lateralis orbitae | A triangular wall of the orbit formed by the zygomatic bone, the greater wing of the sphenoid bone, and a small part of the frontal bone; posteriorly it is bounded by the superior and inferior orbital fissures. Synonym: paries lateralis orbitae. (05 Mar 2000) |