(kă-rī'nă )

Plural: carinae

[L. carina, keel of a boat]

A structure with a projecting central ridge.

carinal,

(kă-rī'năl)

c. nasi The nasal carina.

nasal c.Olfactory nasal sulcus.

carina of the trachea The ridge at the lower end of the trachea separating the openings of the two primary bronchi.

SEE: illus.

c. tracheae The carina of the trachea.

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

c. urethralis The carina of the urethra.