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 ?
Columellar lamella externally not discernable in the available specimens.
Columellar lamella not visible in aperture, facing palatal fold, little pronounced (Fig.
Once all of the skin incisions--including the endonasal "marginal" segments--have been made, the columellar skin is bluntly elevated from the underlying cartilage via a vestibular incision (figure 4).
Following surface closure, the columellar sill is inspected for step-off deformities and additional sutures are placed if notching is evident.
Therefore, the many benefits of the external rhinoplasty approach should not be excluded on the basis of columellar scarring alone.
Differs from other Streptaxidae in the area by the smooth ovalcylindrical shell with a single large curved parietal lamella, three to four palatal teeth, one basal tooth and a small cusp situated on top of the large horizontal columellar lamella.
It differs from typical Gulella sexdentata by the presence of a small cusp on top of the much stronger columellar lamella.
Differs from other Streptaxidae in the area by the smooth cylindrical shell with a single large parietal lamella, two upper palatal, one deeply positioned lower palatal, one basal lamella and two columellar lamellae.
Since it is associated with the physid musculature in several places, the columellar muscle is described as well.
It is situated in the right hand part of the body and is almost as wide as the columellar muscle, the principal muscle of most gastropods.
Pm1-4 pass down the upper portion of neck of the snail where they entwine to form a meshlike tissue with fibres coming down from the columellar muscle (Fig.
A columellar strut, fashioned from calvarial bone, was placed via the glabellar incision.