One of the mysteries of the English language finally explained.
nounPlural carinas, Plural carinaeBiology
1A keel-shaped structure.
- ‘This combined system of the exodermic deck and steel box girders resulted in a clean, uncluttered structure with smooth lines that complement the carina piers and segmental concrete approaches.’
- ‘Adcarinal ridges flank the carina on the platform and tend to have relatively short anterior extensions with only slight anterior flaring.’
- 1.1 The ridge of a bird's breastbone, to which the main flight muscles are attached.
- ‘The extent and prominence of the carinae, the carina on the central node, reticulation, and posterior node are characteristic of the species.’
- ‘Denticles on both anterior and posterior carinae are approximately equivalent in size.’
- ‘However, one of the crests seems to merge with the carina while the other simply peters out. On the image at left, that would be just below the humeral facet and on the hidden, reverse face of the bone.’
- 1.2 A cartilage situated at the point where the trachea (windpipe) divides into the two bronchi.
- ‘The operator should first view the upper airway and nasopharynx, followed by the vocal cords, trachea and carina.’
- ‘The trachea, carina, right and left lobar and segmental bronchi were examined and were normal.’
- ‘Bronchoscopy revealed a normal distal trachea, carina and right mainstem bronchus.’
- ‘They are concentrated in the carina and primary bronchi, and are also believed to be cough receptors.’
- ‘Evaluation of the coronary arteries is performed with images from near the carina of the lung to the bottom of the heart.’
Early 18th century: from Latin, ‘keel’.
1A southern constellation (the Keel) partly in the Milky Way, originally part of Argo. It contains the second-brightest star in the sky, Canopus.
- 1.1as genitive Carinae /kəˈrʌɪni, kəˈriːni, kəˈrʌɪnʌɪ/ Used with preceding letter or numeral to designate a star in the constellation Carina.‘the star Beta Carinae’
- 1.1as genitive Carinae /kəˈrʌɪni, kəˈriːni, kəˈrʌɪnʌɪ/ Used with preceding letter or numeral to designate a star in the constellation Carina.
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