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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.


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.


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.


(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:
Read it and learn to understand why you are fooled day by day!

More discussions about roll
References in periodicals archive ?
At first, the idea was to re-vote using the regular electronic vote method, but an intervention of socialist front-bench MP Maya Manolova forced Speaker Tsetska Tsacheva to call again the roll-call method, since that was the decision taken by the Parliament for the confidence vote in the first place.
New York delegate Carl Washington said the roll-call vote will reflect the democratic belief that every voice should be heard, and that it will actually reinforce the spirit of unity at the convention.
It's a natural progression from the old style of roll-call.
Schools recognised that a rag-tag roll-call is just not good enough if pupils are to come to school to learn.
The "two presidencies" in future research: Moving beyond roll-call analysis.
Assuming the awe-struck wonder of someone who is discovering important information, Reilly reads a roll-call of his fellow students studying with Uta Hagen at the Herbert Berghoff Studios (it was only $3 a week) in Manhattan.