columella

• “There is a central support, called a columella, that runs right through the middle of the shell which gives it strength and provides a point of attachment for the soft parts of the animal.”

  Mollusca

• “The assumption commonly made is that vibrations in the water or air by direct contact cause the tympanic membrane to vibrate; this in turn causes a movement of the columella, which is transmitted to the perilymphatic fluid of the inner ear.”

  Harvard Psychological Studies, Volume 1 Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory.

• “[Tracing the development of the columella was a long business, but it grew clearer as young frogs of various ages were examined.] "Don't be aggravated with yourself," [he writes to Parker in July,] "it's tough work, this here Frog.”

  Life and Letters of Thomas Henry Huxley — Volume 2

• “Such a rod is called a columella; it goes all the way through the center of the shell.”

  CreationWiki - Recent changes [en]

• “From the septum grows a club-shaped mass of protoplasm -- "columella”

  The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.

• “It was carried by wrapping your fingers around the columella and putting your thumb through a neat hole chipped out of the body whorl.”

  Indian shell tools from Florida

• “Quoting from Hyman [italics mine]:In [Helix pomatia] the [columellar] muscle, after leaving its origin on the columella, forks into right and left parts, of which the smaller right part sends a branch into each tentacle on that side and then loses itself in the tissues of the foot.”

  Tangled innards of a snail or how we know the intelligent designer was a klutz

• “But the shell of D. cronkhitei is not keeled, while D. patulus has a small tooth inside the aperture on the columella that is missing in the Montreal shells.”

  Archive 2008-08-01

• “Dodonaea microzyga, F.M. Somewhat viscid, almost glabrous; leaves with 1 to 2 pairs of small obovate-cuneate leaflets; in front rounded, or truncate, or retuse, or sometimes 3-toothed, flat at the margin; rachis dilated; fruit-bearing pedicels solitary; capsules 3 to 4-celled; valves cymbeo-semiorbicular, all around broadly winged; the wing rounded-blunt on both extremities; dissepiments persistent with the columella.”

  The Journals of John McDouall Stuart

• “A fine, solid, brown species, generally more or less eroded, and with a peculiarly strongly plicate columella.”

  The Journals of John McDouall Stuart

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