roll

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roll

 [rōl]
1. to turn along an axis while moving forward along a surface.
2. the act of rolling.
3. an object that has been rolled into a cylindrical shape.
pelvic roll pelvic rotation.
trochanter roll a wedge (usually a rolled towel) placed from the crest of the ilium to midthigh to prevent external rotation of the hip when the patient is in a recumbent position.
Use of trochanter roll to prevent external rotation of hip.
See illustration.

roll

(rōl),
1. A mass or structure of a rounded or cylindric form created by rotation of a layer of material around its own long axis.
2. The process by which a round entity is moved by a pressure gradient, as when leukocytes move along a blood vessel wall.

roll

Etymology: OFr, rolle
intrinsic joint movements on an axis parallel to the articulating surface. The axis can remain stationary or move in a plane parallel to the joint surface.

roll

(rol) [Fr. roulle, scroll fr. L. rotula, small wheel]
A usually solid, cylindrical structure.

cotton roll

A cylindrical mass of purified and sterilized cotton used as packing or absorbent material in various dental procedures.

ilial roll

A sausage-shaped mass in the left iliac fossa. It is due to a collection of feces in or induration of the walls of the sigmoid colon.

lumbar roll

An air-filled, foam, or gel cushion placed behind the lower back as a support.

Patient care

It is used to maintain the normal lordotic curvature of the lumbar spine and thereby to relieve pressure on commonly injured structures such as discs and facet joints.

scleral roll

See: spur, scleral

trochanter roll

A cushion or pillow used to hold the hip of a postoperative patient in neutral position.
See: Trochanter Roll

Patient discussion about roll

Q. What roll does the sun have in causing cancer

A. Hi again:

This is a book for everybody here:
http://www.amazon.com/Cancer-Handbook-Really-Working-Doctors/dp/1890612189/ref=pd_bbs_sr_6?ie=UTF8&s=books&qid=1229185619&sr=8-6
Read it and learn to understand why you are fooled day by day!

More discussions about roll
References in classic literature ?
The tails of his long gray coat flew madly in the wind: the dog pursued him, jumping over him, and barking with delight; he shouted and screamed in answer to the dog as he rolled over and over faster and faster; and, when he got up, on the level ground, and called out cheerfully to his companions standing above him, "I say, you two, I feel twenty years younger already
I rolled over and over down the beach, tried to sit up, and collapsed upon my broken arm.
Silently she rolled over in the direction of the nearest tree, and away from the lion, until she lay again in the same position in which Numa had left her, but a few feet farther from him.