Columella


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Columella

(Lucius Junius Moderatus Columella) (kŏl'yəmĕl`ə), fl. 1st cent. A.D., Latin writer on agriculture, b. Gades (now Cádiz), Spain. Of his work there remains the 12-volume De re rustica, treating general husbandry, the care of domestic animals, and farm management. The 10th book, modeled on Vergil, is in hexameters. A short essay on trees also survives. Columella's Latin is facile and elegant, and his information is surprisingly practical and accurate.
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columella

[‚käl·yə′mel·ə]
(anatomy)
(biology)
Any part shaped like a column.
(botany)
A sterile axial body within the capsules of certain mosses, liverworts, and many fungi.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
After transplantation to CPSP the proportion of the corallite occupied by the columella decreased, while the SL and ISA (proportional to corallite size) increased [ILLUSTRATION FOR FIGURE 3 OMITTED].
Three conditions must be met for the jigsaw constraint to exert its influence: (1) the inner margin of each whorl must remain in contact with the columella; (2) the sizes of adult shells (h + d) must be restricted within a narrow range; and (3) successive whorls must maintain the same relative overlap.
The development of stylohyal (a segment in the hyoidean arch) and its relation to columella auris and quadrate were estimated in Lacertilia (Parker, 1879), in Vipera bervus (Moller, 1905), in Trigonocephalus (Okajima, 1915), In Leptodeira hotamboia (Brock, 1929), in lizard (De Beer, 1937).
Upon parents interview and intra-oral examination, we decided to accept his alveolar segments proximity and to lengthen the clearly deficient columella via nasal molding, so facial tapping was initiated to enhance better lips proximity and maxillary acrylic plate was fabricated with two stainless steel wire extensions to initiate nasal molding at newborn's age of 21 days.
(b) nostril apex height, which was measured from the midway point at the base of the columella to the highest point of the nostril;
Diagnosis: Spire very low, shell almost planorboid, body whorl not conspicuously tumescent, umbilicus very wide; columella lip not expanded and not reflected over umbilicus; surface virtually smooth to the naked eye; boldly marked with brown spiral bands on a near white ground.
Longshot Ed Quigley Columella (2.40 Warwick) Will enjoy the soft conditions and won on her only visit to the track.
On extraoral examination, the patient was noted to have cleft lip left side; columella deviated toward noncleft side; depressed left lateral alar cartilage [Fig.
There is usually a single strong tooth at columella and outer lip is much thickened (Khan and Dastagir, 1970).
Dashwood gently rallies him on his low spirits and his lack of purpose and then remarks that his "'sons will be brought up to as many pursuits, employments, professions, and trades as Columella's'" (119).
The columella is simple within the shell, but may be trunctated at the base of the aperture.