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 ?
Haidee was reclining upon soft downy cushions, covered with blue satin spotted with silver; her head, supported by one of her exquisitely moulded arms, rested on the divan immediately behind her, while the other was employed in adjusting to her lips the coral tube of a rich narghile, through whose flexible pipe she drew the smoke fragrant by its passage through perfumed water.
The nurse bent down and kissed him, then began to shake out the cushions, and put them back in their places.
Bert caught up a trailer-cushion and began to beat; there was another cushion and a table-cloth, and these also were seized.
There seemed no furniture in the round den, but soft cushions were strewn about the floor and these they found made very comfortable beds.
I promised to see to it; but goodness knows where else they CAN sit, unless they sit on the floor, for there are cushions on EVERYTHING.
Followed by the boy and Toto--the dog with a new green ribbon around his neck--she hastened down to the splendid drawing-room of the palace, where, seated upon an exquisite throne of carved malachite and nestled amongst its green satin cushions was the lovely Princess Ozma, waiting eagerly to welcome her friend.
Lift him up tenderly, place him on the silken cushions of the coach, and bring him here to me.
Claire hated the place with the bitter hate of one who had read society novels, and yearned for Grosvenor Square and butlers and a general atmosphere of soft cushions and pink-shaded lights and maids to do one's hair.
I slipped it under the sofa cushions, half in, and half out, close by her handkerchief, and her smelling-bottle.
I'll get some cushions out of the church, and you and your friend shall lie down before the fire.
The man is waiting; he has taken the cushions," she said.
At the other end, though partly muffled by a curtain, it was more powerfully illuminated by one of those embowed hall windows which we read of in old books, and which was provided with a deep and cushion seat.