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 ?
The aftermath of the "Great Eruption" of the mid-1800s, which is now readily visible through a small telescope if you happen to be in the Southern Hemisphere, made Eta Carinae a celebrity among objects in the universe known for their bizarre beauty.
Also the general pattern of forewing venation with characteristic steps of intermediate veins between branches of median in distal half of the wing and shape and carination of metope (Buca lacks the sublateral carinae of the metope) do not allow us to place this taxon into the Issidae as it is defined by Gnezdilov (2013c) and Gnezdilov et al.
Disc of pronotum flatter and less tectate; lateral carinae of pronotum curved slightly outwards at midlength, rather than being straight.
Lateral carinae high, strongly sinuate, with two fully developed rows of areolae at the highest part, these large and complete (Fig.
14); propodeum with dorsal carinae almost complete, delineating enclosed area superomedia; lateral longitudinal carina present on anterior margin until anterior transverse carina; posterior transverse carina sinuous, forming an "M" shape (Fig.
The smooth and shining head, well developed occipital carinae, and long, downturned propodeal spines differentiate the minor worker of this species of any other in the genus and fallax group.
At more than 100 solar masses and 4 million times the luminosity of our Sun, Eta Carinae is one of the most massive and luminous stars in our galaxy.
Nomenclature and mensuration primarily follow Stahnke (1970), with the following exceptions: metasomal carinal terminology after Francke (1977), pedipalp carinae terminology after Acosta et al.
Or maybe Eta Carinae, a star 100 times more massive than the sun and 7,500 light-years away.
Then Nicholas Cleobury conducted authoritative accounts of Charlotte Bray's Beneath the Dawn Horizon and Samuel Bordoli'sEta Carinae Nebula (both prize-winning student composers), brilliantly delivered after minimal rehearsal by the expert Birmingham Contemporary Music Group.