modiolus


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Related to modiolus: modiolus of angle of mouth

mo·di·o·lus

 (mō-dī′ə-ləs)
n. pl. mo·di·o·li (-lī′)
The central, conical, bony core of the cochlea.

[Latin, socket, hub, diminutive of modius, a measure of grain, measuring vessel; see med- in Indo-European roots.]

modiolus

(məʊˈdaɪəʊləs; mə-)
n, pl -li (-ˌlaɪ)
(Anatomy) the central bony pillar of the cochlea
[C19: New Latin, from Latin: hub of a wheel, from modus a measure]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.modiolus - the central conical bony pillar of the cochleamodiolus - the central conical bony pillar of the cochlea
bone, os - rigid connective tissue that makes up the skeleton of vertebrates
cochlea - the snail-shaped tube (in the inner ear coiled around the modiolus) where sound vibrations are converted into nerve impulses by the organ of Corti
References in periodicals archive ?
Previous reports indicated an increase in spawning frequency of the bivalves Modiolus capax (Conrad, 1837) and Pteria sterna (Gould, 1851), conditioned with cornstarch and rice flour as supplements to live microalgae (Mazon-Suastegui 1988).
State of macrobenthos within Modiolus Phaseolinus biocoenosis from Romanian Black Sea continental shelf.
2 mm, an incomplete cochlear partition, or modiolus abnormalities), and dilation of the first portion of the facial canal.
The study sequenced the genome of the deep-sea mussel Bathymodiolus platifrons as well as its shallow-water relative Modiolus philippinarum collected from a local softshore in Tingkok for comparison of genomic features.
Las especies que contribuyeron significativamente al ensamblaje del grupo A y exclusivas de este grupo fueron: los moluscos Crucibulum spinosum, Glycymeris maculata, Modiolus rectus y el equinodermo Ophiura luetkenii; mientras que para el grupo B fueron el equinodermo Dendraster excentricus, el artropodo Neomysis sp.
zebra coinciden en forma general con los senalados para otros moluscos de importancia comercial en la zona nororiental de Venezuela, tales como P perna (Velez, 1971), Pinctada imbricada (Leon, Cabrera, & Troccoli, 1987) y Modiolus squamosus (Prieto, Flores, & Lodeiros, 1999).
Costa (1967) also found PAS-positive thickenings in the capillary walls of the stria vascularis and the modiolus and in addition, thickening of the basement membrane and partial collapse of Reissner's membrane just above the stria vascularis.
Adaptation strategy of bivalve Modiolus modiolus from upwelling regions of the Kuril Islands shelf (Sea of Okhotsk) to heavy metal effects.
Further, the modiolus could not be visualised, suggesting incomplete partitioning resulting in confluency between the middle and apical segments (Figure-1 a) Magnetic resonance imaging (MRI) showed intact cochlear nerve (Figure-1 b).
Experimental analysis of byssus thread production by Mytilus edulis and Modiolus in sediments.
Almeja Chama (Chama) echinata Almeja Codakia distinguenda * Almeja Corbula (Caryocorbula) Almeja ovulata * Crassostrea virginica Ostion Dinocardium robustum Almeja Donax (Amphichaena) Almeja kindermanni * Donax (Chion) Almeja mariposa punctatostriatus * Megapitaria squalida * Almeja chocolata negra Modiolus americanus Mejillon Nephronaias aztecorum * Almeja de agua dulce Pitar (Hysteroconcha) Almeja lupanaria Protothaca (Leukoma) Almeja asperrima * Spondylus princeps Almeja Tellina (Arcopagia) Almeja fausta Trachycardium Almeja (Mexicardia) panamense * Phylum Chordata Clase Actinopterygii Arothron sp.
Type I--the presence of a cystic cochlea which lacks a central modiolus or interscalar septae; the vestibule is separate and usually dilated; the outer dimensions of the cochlea are normal; and the endolymphatic duct and sac are usually normal.