એક નાની કૉલમ (અથવા માળખું કૉલમ જેવું લાગે છે),

columella's Usage Examples:

columella has a strong (one to three plicae) to obsolete plication upon the middle.

The columellae are large.

The columellar lip, the visible part of the columella, is the lower part of the inner lip and is situated near the axis of coiling.

The columellae are rather large and long.

callus "shield" present; columella multiplicate, with 5 plications plus parietal lirae, plications slightly excavated inside aperture due to parietal callus.

The columellae are well developed and the septa may be fused with them.

An extension of the sporangiophore called the columella protrudes into the sporangium.

Within the umbilicus is a strongish undefined spiral furrow answering to the columellar tooth, and the lines.

Gastropod shells that are not spirally coiled (for example shells of limpets) have no columella.

pillar, known as the columella.

confirmed); distinct axial costae present; siphonal notch absent; columella multiplicate, with combined total of usually 8 plications plus parietal lirae.

wrapped around a central axis, then the columella more or less coincides spatially with the central axis of the shell.

columella is callous, slightly dilated and bounded outside by a spiral funicle.