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 ?
under cover of the MEA CULPA, striking her breast so vigorously that everybody, even the lady with the red cushion, turned round toward her.
Grandfather Smallweed immediately throws the cushion at her.
The soul seemed to go out of the cushion Bert was swaying, and the air was full of feathers, like a snowstorm in the still twilight.
The sun had reached the other side of the house, and its slanting rays shone into the open window, lighting up the room and part of the morocco cushion at which Princess Mary was looking.
Will you give my rug and cushion to the deck steward?
This will do for a start," he said, as he plumped up the cushion and dusted the cup.
I'll get some cushions out of the church, and you and your friend shall lie down before the fire.
Maggie felt that she was being led down the garden among the roses, being helped with firm, tender care into the boat, having the cushion and cloak arranged for her feet, and her parasol opened for her (which she had forgotten), all by this stronger presence that seemed to bear her along without any act of her own will, like the added self which comes with the sudden exalting influence of a strong tonic, and she felt nothing else.
Mademoiselle Reisz, being exceedingly diminutive, was elevated upon cushions, as small children are sometimes hoisted at table upon bulky volumes.
He received us the first time in a cabin about a musket shot distant from the rest, furnished out with a throne in the middle built of clay and stones, and covered with tapestry and two velvet cushions.
The rooms had been fitted up in strict accordance with Oriental ideas; the floors were covered with the richest carpets Turkey could produce; the walls hung with brocaded silk of the most magnificent designs and texture; while around each chamber luxurious divans were placed, with piles of soft and yielding cushions, that needed only to be arranged at the pleasure or convenience of such as sought repose.
The cushions were a good deal higher than the balls, and as the balls had a fashion of always stopping under the cushions, we accomplished very little in the way of caroms.