cushion /cush·ion/ (koosh´un) a soft or padlike part.
cushion
anal cushions masses of subepithelial tissue, located in the left lateral, right posterior, and right anterior quadrants of the anal canal, that seal the anal canal and maintain continence.
endocardial cushions elevations on the atrioventricular canal of the embryonic heart which later help form the interatrial septum.
intimal cushions longitudinal thickenings of the intima of certain arteries, e.g., the penile arteries; they serve functionally as valves, controlling blood flow by occluding the lumen of the artery.
cush·ion (k sh  n)n. A padlike body part. |
cushion
Etymology: OFr, coissin
any anatomic structure that resembles a pad or pillow.
cushion
a term describing exceptional thickness of the upper lips or flews seen in some short-nosed breeds of dogs, e.g. Boxer, British bulldog.
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