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 [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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


, pl.


(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]
Farlex Partner Medical Dictionary © Farlex 2012


(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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


,pl. carinae (kă-rī'nă, -nē)
A term applied to anatomic structures forming a projecting central ridge.
[L. the keel of a boat]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


(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.
Medical Dictionary, © 2009 Farlex and Partners


Any keel-shaped ridge in the body, especially the ridge formed where the TRACHEA divides into the two bronchi.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005




  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.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Non-intubated combined with video-assisted thoracoscope in carinal reconstruction.
An extension-rich matrix lines the carinal canals in Equisetum ramosissimum, which may function as water-conducting channels.
Caliz rojo vinoso, de 0,8-1,5 x 0,6-0,9 cm, tubular a tubular-campanulado, lateralmente comprimido, con tricomas esparcidos simples flexuosos y ramificados; margen entero y delgado, asimetrico, apiculo carinal de 2-4 mm, curvado ascendente, pubescente.
Otherwise healthy IIIB patients with clinical T4N0 from satellite tumors in the same lobe or carinal involvement should be referred to a thoracic surgeon for possible resection.
Meanwhile, at Inter school level, the Heinz Ketchup Cup second round draw involving local schools is Kinghurst (Solihull v Ernesford Grange Coventr), Carinal Newman (Coventry) v Ashlawn (Rugby).
At the end of 2 weeks, or if respiratory symptoms developed, each volunteer had a repeat bronchoscopy and another carinal biopsy was obtained.
Spiral CT chest (Fig-2a, b, c) was performed with findings of multiple paratracheal, tracheobronchial, hilar, carinal and peribronchial calcified lesions of variable sizes, situated closely to bronchial lumen, suggestive of calcified lymphadenopathy associated with fibrocalcific lesions and parenchymal infiltrations with bronchiectasis changes in both upper and middle lobes with minimal left pleural effusion--features suggestive of Chronic pulmonary tuberculosis.
Flores 13-14 mm de largo; caliz 4-5 mm de largo, ciatiforme, moderadamente pardo-amarillento sericeo, sin ocultar el fondo, densamente punteado-lineolado translucido, algo lobulado, el lobulo carinal mas prominente, ca.
For [VO.sub.2] measurements of muscle, a 3-cm-long piece of the aboral body wall was cut from the arm, from which a carinal longitudinal muscle band was isolated.
En la valoracion clinica neurologica, se observaba hiporreactividad pupilar y miosis, fundoscopia normal, endotropia bilateral por compromiso de los nervios motores oculares externos, paresia facial central izquierda, reflejos corneano y carinal presentes, cuadripa resia flacida 4 [+ o -] 5, hiporreflexia patelar y arreflexia aquiliana.
Tracheal pressure P2, was recorded using a low compliance air-filled intratracheal catheter with end hole, (intravenous Centracath-Vygon, Ecouen, France) with 1.2 mm ID and 1.7 mm outer diameter (OD), that was inserted via guide-wire through the lid of the connector at the proximal end of the ETT, and placed 2 cm above the carinal end of the ETT (16,17).