cushion

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cushion

 [koosh´un]
a fleshy, padlike anatomical structure.
endocardial c's swellings that form on the dorsal and ventral walls of the atrioventricular canal of the embryonic heart during the fourth week of gestation. As they are invaded by mesenchymal cells during the fifth week, they approach each other and fuse, dividing the atrioventricular canal into right and left canals.

cush·ion

(kush'ŭn),
In anatomy, any structure resembling a pad or cushion.

cushion

/cush·ion/ (koosh´un) a soft or padlike part.
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.

cushion

Etymology: OFr, coissin
any anatomical structure that resembles a pad or pillow.

cush·ion

(kush'ŭn)
1. anatomy Any padlike structure.
2. Any padded surface used to prevent pressure sores.

cush·ion

(kush'ŭn)
In anatomy, any structure resembling a pad or cushion.

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.
References in classic literature ?
The moment they were within they hurled him upon a sort of bench or bed with violence, but no damage; for the settee, or whatever it was, seemed to be comfortably cushioned for his reception.
He had already handed his spear in a lordly style, like a sceptre, to the piteous Parkinson, and was about to assume one of the cushioned seats like a throne.
The tall woman, who had moved away from us toward the dresser, took no notice; but the other, from her cushioned niche, answered complainingly, in a high thin voice.
It bad two berths in it, a dismal dead-light, a sink with a washbowl in it, and a long, sumptuously cushioned locker, which was to do service as a sofa--partly-- and partly as a hiding place for our things.
The corner between the fireplace and the window is occupied by a divan cushioned in Morris chintz.
There was a throne in this room, set on a dais and having a big, cushioned seat, and on this seat reclined the Rabbit King.