pars inferior

pars inferior
part of the internal ear of fishes comprising two sac-like structures, the sacculus and lagena, both q.v. These function principally in sound reception. The endolymphatic duct rises upwards from from the sacculus and, in Myxini ends blindly in a cartilaginous capsule, in cartilaginous fishes opens to the outside via a narrow aperture, in chondrosteans and Clupeidae is open in young but ends near the endolymphatic sac in adults, and in most teleosts is absent or short without an external opening, terminating in the endolymphatic sinus

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • Pars inferior — apatinė dalis statusas T sritis gyvūnų anatomija, gyvūnų morfologija atitikmenys: lot. Pars inferior ryšiai: platesnis terminas – prieanginis nervinis mazgas …   Veterinarinės anatomijos, histologijos ir embriologijos terminai

  • pars inferior venae lingularis — [TA] inferior part of lingular vein: a venous branch that drains the inferior lingular segment of the left lung and drains into the lingular vein. Called also inferior lingular segmental vein …   Medical dictionary

  • pars inferior nervi vestibularis — [TA] inferior part of vestibular nerve: the inferior branch of the nerve, which has filaments that end in the ampullary crest of the posterior semicircular ducts and the macula of the saccule …   Medical dictionary

  • pars inferior alaris lobuli centralis cerebelli — [TA] the inferior part of the wing of the central lobule of the cerebellum (HII); called also p. ventralis alaris lobuli centralis cerebelli [TA alternative] and ventral part of wing of central lobule of cerebellum …   Medical dictionary

  • pars inferior duodeni — TA alternative for p. horizontalis duodeni …   Medical dictionary

  • inferior part of vestibular nerve — pars inferior nervi vestibularis …   Medical dictionary

  • inferior part of wing of central lobule of cerebellum — pars inferior alaris lobuli centralis cerebelli …   Medical dictionary

  • pars superior — part of the internal ear of fishes comprising three semicircular canals, q.v., and the sac like utriculus, q.v. Function is mainly in motion detection but may have some sound reception. Connected to the pars inferior by a short utriculus sacculus …   Dictionary of ichthyology

  • pars planitis — una forma de uveitis granulomatosa que se produce en la región de la pars plana. Ocasiona una proliferación fibrovascular en la parte inferior de la ora serrata. A veces se observa en la esclerosis múltiple Diccionario ilustrado de Términos… …   Diccionario médico

  • inferior part of duodenum — pars horizontalis duodeni …   Medical dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.