notch

(redirected from Greater sciatic notch)
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notch

US and Canadian a narrow pass or gorge

notch

[näch]
(electronics)
Rectangular depression extending below the sweep line of the radar indicator in some types of equipment.
(engineering)
A V-shaped indentation or cut in a surface or edge.
(geology)
A deep, narrow cut near the high-water mark at the base of a sea cliff.
(geography)
A narrow passage between mountains or through a ridge, hill, or mountain.

notch

A cutout in a log or timber, usually at or near one of its ends, that is used to form a rigid joint when mated with another appropriately cutout log or timber at right angles to it; for example, at the corners of a log cabin or log house. See corner notch, diamond notch, double-saddle notch, dovetail notch, half-cut notch, half-dovetail notch, halved-and-lapped notch, lap notch, log notch, round notch, saddle notch, single notch, single-saddle notch, square notch, V-notch.
References in periodicals archive ?
On examination the sacroiliac joint region, greater sciatic notch and piriformis muscle may be tender.
7-16) The features of the greater sciatic notch are characteristic and are commonly used for sexual dimorphism.
Osteologists vary widely in their experience with known collection of sex determining parameters, and this undoubtedly influences the amount of weight they give in sex determination to the differences in the shape of the greater sciatic notch.
INTRODUCTION: Piriformis Syndrome is often a misdiagnosed cause of Low Back Pain and Sciatica secondary to sciatic nerve entrapment in Piriformis muscle at the greater sciatic notch.

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