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.
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).
sporangiospores are ovoid in shape and
columella are subglbose.
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.