释义 |
DictionarySeemeatusurinary meatus
meatus [me-a´tus] (pl. mea´tus) (L.) an opening" >opening or passage, especially one leading to the body surface. adj., adj mea´tal.acoustic meatus (meatus acus´ticus) either of two passages in the ear; the external acoustic meatus leads from the auricle" >auricle to the tympanic membrane" >tympanic membrane (eardrum) and the internal acoustic meatus is for passage of nerves and blood vessels.auditory meatus acoustic meatus.meatus na´si (meatus of nose) one of the three portions of the nasal cavity on either side of the septum: inferior (meatus nasi inferior), middle (meatus nasi medius), and superior (meatus nasi superior).ureteral meatus ureteral orifice.meatus urina´rius (urinary meatus) the opening of the urethra on the body surface, through which urine is discharged.meatus (me-a'tus) plural.meatus [L.] A passageway or an opening. meatal (me-a'tal), adjectiveacoustic meatusThe opening to either the external or internal auditory canal. It can also be a synonym for either the external or internal auditory canal. meatus acusticus externusExternal auditory canal.meatus acusticus internusInternal auditory canal.external acoustic meatusExternal auditory meatus.external auditory meatusThe outer opening of the external auditory canal, or the canal itself. See: external acoustic meatus.internal acoustic meatusInternal auditory meatus.internal auditory meatusThe opening of the internal auditory canal into the cranial cavity located on the posterior surface of the petrous portion of the temporal bone, or the canal itself. Synonym: internal acoustic meatusmeatus nasi communisCommon nasal cavity on either side of septum, into which three meatus open.meatus nasi inferiorSpace beneath inferior turbinate or concha of the nose.meatus nasi mediusSpace beneath middle turbinate or concha of the nose.meatus nasi superiorSpace beneath superior turbinate or concha of the nose.meatus nasopharyngeusPosterior portion of nasal cavity, which communicates with the nasopharynx.urethral meatusExternal opening of the urethra. Synonym: urinary meatus; meatus urinariusmeatus urinariusUrethral meatus.urinary meatusUrethral meatus. |