columella

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columella

 [kol″u-mel´ah] (pl. columel´lae) (L.)
a little column.
columella na´si the fleshy external termination of the septum of the nose.

col·u·mel·la

, pl.

col·u·mel·lae

(kol'ū-mel'ă, -mel'ē),
1. A column, or a small column. Synonym(s): columnella
2. In fungi, a sterile invagination of a sporangium, as in Zygomycetes.
[L. dim. of columna, column]

columella

/col·u·mel·la/ (kol″u-mel´ah) pl. columel´lae   [L.]
1. a little column.
2. in certain fungi and protozoa, an invagination into the sporangium.

columella coch´leae  modiolus.
columella na´si  the fleshy external end of the nasal septum.

columella

(kŏl′yə-mĕl′ə, kŏl′ə-)
n. pl. colu·mellae (-mĕl′ē)
Any small columnlike structure in various plants and animals, often forming the central axis of development for the organism or an anatomical structure.

col′u·mel′lar (-mĕl′ər) adj.
col′u·mel′late′ (-mĕl′āt′) adj.

columella

1 a small column.
2 the fleshy terminal portion of the nasal septum.

col·u·mel·la

, pl. columellae (kol'yū-mel'ă, -ē)
1. A small column.
Synonym(s): columnella.
2. In fungi, a sterile invagination of a sporangium, as in Zygomycetes.
[L. dim. of columna, column]

columella

The ridge of skin between the nostrils.
Columellaclick for a larger image
Fig. 117 Columella (2). The sporangium of Mucor.

columella

  1. the sterile central column in the sporangia of mosses and liverworts.
  2. the domed structure forming a pillar supporting the sporangium of some fungi, e.g. Mucor. See Fig. 117 .
  3. the central area of a root cap which contains STATOLITHS (1).
  4. the central axis of a fruit.

Columella

The strip of skin running from the tip of the nose to the upper lip, which separates the nostrils.
Mentioned in: Rhinoplasty

columella

pl. columellae [L.] a little column.

columella auris
a connecting rod between the avian eardrum and the perilymph of the inner ear via the rod's footplate.
References in periodicals archive ?
Wall of body whorl with deep-set, short palatal fold, together with columellar lamella discernable in aperture in oblique view (Fig.
The columellar incision is then closed with 5-0 Monocryl, followed by 7-0 nylon, and the marginal incisions with 5-0 Chromic.
The patient subsequently underwent open nasoseptorhinoplasty with a caudal septal extension graft, V-Y columellar lengthening, spreader grafting, and a combined dorsal strut/shield graft using costal cartilage.
Aperture sub-ovate (semilunar), with a sharp, slightly swollen on the columellar, without calluses at the parietal union.
Frescura & Hodgson (1992) categorized the muscle fibers of columellar muscles of six species (Bullia rhodostoma, Burnupena cincta, Haliotis spadicea, Siphonaria capensis, S.
Columellar folds, plications on the columella, or central column of a gastropod shell (see Fig.
These conditions are clearly more reminiscent of the ancestral snail condition, with a single columellar muscle dividing into the various retractor muscle elements some distance from its point of origin within a well-developed shell.
14) From the two middle layers, a septal graft, dorsal nasal graft, and columellar strut were sculpted.
Ring neuron control of columellar motor neurons during egg-laying behavior in the pond snail.
By resecting the caudal segment and implanting it separately in a columellar pocket, surgeons have attempted to eliminate the effects of mucosal scar contracture on the membranous septum.