Noun:

சிறுதூணமைப்பு,

columella's Usage Examples:

th, Theca; c, costae; sp, septa; p, palus; col, columella.

Birds possess an ear-muscle which at least acts as a tensor tympani; it arises near the occipital condyle, passes through a hole into the tympanic cavity, and its tendon is, in various ways, attached to the inside of the membrane and the neighbouring extracolumellar processes.

The proOtic encloses between it and the lateral occipital the fenestra ovalis, into which fits the columella of the ear.

Shell ovoid, with short spire and folded columella; foot small, no operculum; siphon short.

The quadrate is indirectly articulated with the skull, first by the horizontal, movable squamosal, secondly by the columella auris.

This columella muscle is the same thing as the muscles adhering to the shell in Patella, and the posterior adductor of Lamellibranchs.

), although not stirrupshaped; (2) the extra-columellar mass.

Occupying the axis, and exposed by the section, is seen the "columella " or spiral pillar.

16), extending between the fenestra ovalis and the tympanic membrane or drum, consists of (I) the long and slen der columella, a straight, ossified rod which fits with a disk into the fenestra r; t st ovalis; it is homologous with the stapes (m.

Monodonta, no jaws, spire not prominent, no umbilicus, columella toothed.

Spire of shell prominent, aperture narrow, canal very short, columella crenelated; foot large.