Carina

Keel: long narrow ridge over the length of a flat or curved surface;


Keel formed by the two lower petals in papilionoid flowers in Leguminosae/Fabaceae, these usually partly united or adherent.


A keel; the two anterior petals of a papillionaceous flower.


A structure shaped like the bottom of a boat, e.g. the cartilage at the point where the trachea branches into the bronchi.


Branch point of the windpipe (trachea) into the right and left mainstem bronchi.


Anatomical structure of a central ridge on a tissue surface.


A keel-like structure, such as the keel-shaped cartilage at the bifurcation of the trachea into the two main bronchi.


A structure with a projecting central ridge.


 


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