Notch

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Notch

Slang; in bond trading, a small increase or decrease in a bond rating. For example, if a rating goes from AAA to AA+, it is said to decline by a notch.
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In patients with Piriformis Syndrome MR scanning of pelvis provides anatomical details in a sophisticated way revealing muscle abnormalities and the relationship of nerve course to muscle fibres as well as greater sciatic notch.
Vlak D, Roksandic M & Schillaci MA: Greater sciatic notch as a sex indicator in Juveniles.
ANATOMY: Piriformis muscle originates at the anterior surface of the sacrum, at the S2 vertebrae through S4, upper margin of the greater sciatic notch, adjoining areas of the sacroiliac joint and of the sacrotuberous ligament.
1) Portions of the pelvis that are more resistant to damage can be used to determine the sex of an individual, such as the greater sciatic notch and auricular surface of the ilium.

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