carina

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carina

 [kah-ri´nah] (pl. cari´nae) (L.)
a ridgelike structure.
carina tra´cheae a downward and backward projection of the lowest tracheal cartilage, forming a ridge between the openings of the right and left principal bronchi.
carina urethra´lis vagi´nae the column of rugae in the lower anterior wall of the vagina, immediately below the urethra.

ca·ri·na

, pl.

ca·ri·nae

(kă-rī'nă, -rī'nē),
1. In humans, a term applied or applicable to several anatomic structures forming a projecting central ridge.
2. That portion of the sternum in a bird, bat, or mole that serves as the origin of the pectoral muscles; it is not found in flightless birds or in most mammals.
[L. the keel of a boat]

carina

/ca·ri·na/ (kah-ri´nah) pl. cari´nae   [L.] a ridgelike structure.
carina tra´cheae  a downward and backward projection of the lowest tracheal cartilage, forming a ridge between the openings of the right and left principal bronchi.
carina urethra´lis vagi´nae  the column of rugae in the lower anterior wall of the vagina, immediately below the urethra.

carina

(kə-rī′nə, -rē′-)
n. pl. cari·nae (-nē)
A keel-shaped ridge or structure, such as that on the breastbone of a bird or of the fused lower two petals of flowers of many members of the pea family.

carina

[kərē′nə] pl. carinae
Etymology: L, keel
any structure shaped like a ridge, cleft, or keel, such as the carina of the trachea, which projects from the lowest tracheal cartilage.

ca·ri·na

,pl. carinae (kă-rī'nă, -nē)
A term applied to anatomic structures forming a projecting central ridge.
[L. the keel of a boat]

carina

(ka-ri'na) plural.carinae [L., keel of a boat]
A structure with a projecting central ridge.

carina nasi

The nasal carina.

nasal carina

Olfactory nasal sulcus.
Enlarge picture
CARINA OF THE TRACHEA: seen bronchoscopically

carina of the trachea

The ridge at the lower end of the trachea separating the openings of the two primary bronchi.
See: illustration

carina tracheae

The carina of the trachea.

carina of the urethra

The ridge extending posteriorly from the urethral orifice and continuous with the anterior column of the vagina.

carina urethralis

The carina of the urethra.

carina

Any keel-shaped ridge in the body, especially the ridge formed where the TRACHEA divides into the two bronchi.

carina

or

keel

  1. the keel-shaped edge of a leguminous flower, consisting of two fused lower petals. This may have a role in pollination, acting, for example, as a landing platform for bees.
  2. the breast-bone of a bird.

carina

pl. carinae [L.] a ridgelike structure.

carina apex
the most cranial point of the keel of the sternum of birds.
sternal carina
the keel of the sternum, as in birds and horses.
carina tracheae
a ridge between the openings of the right and left principal bronchi.
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