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.
References in periodicals archive ?
Propodeal carinae short, markedly diverging; area between them smooth, as long as the width between carinae at their anterior end.
One of the most massive stars in the galaxy, named Eta Carinae, is on the verge of an explosive death.
1H) all of about same size and similar structure; all articles distinct, dactyli reduced, their short tips inserted into cuplike receptacles produced on anterolateral corners of propodi; distal ends of meri sparsely setose; bases lacking carinae.
Papers address high-mass star formation by gravitational collapse of massive cores, the binarity of Eta Carinae, metallicity-dependent Wolf-Rayet winds, and an overview of cosmic infrared background and Population III, among other topics.
Instead of Alpha Orionis, Eta Carinae, or Alpha Centauri they say Alpha Orion, Eta Carina, and (presumably) Alpha Centaurus.
Founded in 2004, BSO Network Solutions (a Carinae Group company) is the leading next-generation operator providing network services, hosting, and integration.
The companion star is much hotter than Eta Carinae, settling a long-standing mystery about this important star.
Occasionally, isolated 4-11 mm wide, up to 25 cm long fragmentary linear structures occur, without carinae.
A Chandra X-ray image (1) of Eta Carinae, our galaxy's most luminous star (7,500 light years from Earth), as compared to an optical image by the Hubble Space Telescope (2).
In a subsequent paper, which was never published, they planned to illustrate pleid antennae, opercula (sternite VIM) of the male and female, sternal carinae, male parameres, and female 1st gonapophyses, all of which they thought had taxonomic significance.
Propodeum with basal keel almost as long as apical area; dorsolateral area finely granulate, dull, finely and sparsely punctate; apical area widely rounded anteriorly, granulate or uneven, impunctate; apical longitudinal carinae anteriorly reaching transverse carina.