Notch

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Related to sigmoid notch: submandibular fossa, malar process

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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Morphology of coronoid process and sigmoid notch in orthopantomograms of South Indian population.
Caption: Figure 1: Landmarks: sella (S), nasion (N), menton (Me), antegonial notch (Ag), sigmoid notch (Sm), orbitale (Or), and porion (Po).
Post-traumatic degenerative changes can result from the involvement of the sigmoid notch in a distal radius fracture.
There is destruction of the articular surfaces of the ulnar head and sigmoid notch as well as loss of soft tissue stability.
MRI evaluation done in all five patients to assess ligament pathology and for adequacy of sigmoid notch. Arthroscopy performed in all patients.
(1) Though slightly asymmetric to the ulnar head, the sigmoid notch has been shown to contribute approximately 20% of the stability of the DRUJ.
[11] described the DRUJ stabilizers preventing volar dislocation including the volar and dorsal distal radioulnar ligaments, joint capsule, pronator quadratus, extensor carpi ulnaris subsheath, the palmar edge of the sigmoid notch of the radius, and the TFCC being the main stabilizer.
Within the mandible, susceptible site is posterior body followed by condyle, angle, ascending ramus, coronoid process, anterior body and sigmoid notch in descending frequency.10