incisure

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incisure

 [in-si´zher]
Rivinus' incisure (tympanic incisure) tympanic notch.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

notch

(notch), [TA]
1. An indentation at the edge of any structure.
2. Any short, narrow, V-shaped deviation, whether positive or negative, in a linear tracing.
Synonym(s): incisura [TA], emargination, incisure
Farlex Partner Medical Dictionary © Farlex 2012

notch

(noch) [TA]
1. An indentation at the edge of any structure.
2. Any short, narrow, V-shaped deviation, whether positive or negative, in a linear tracing.
Synonym(s): incisura [TA] , incisure.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
In abnormal IH patients it switches to a negative radial orientation, an important diagnostic feature of central incisural herniation, especially in early stages of IH when findings can otherwise easily be missed.
Central incisural herniation affects the mammillary bodies and the tuber cinereum differently.
In the most advanced state of incisural herniation, the interpeduncular fossa is completely effaced (see Figure 3).
When the mammillary bodies descend to or beyond the level of the incisural line, the patient has substantial caudal migration and is considered grade 2 (if at the line) or grade 3 (ifbelow the line).
In conclusion, this study reveals that IH is always accompanied by central incisural herniation and changes to the visual pathway.
Caption: Figure 1: Incisural and foramen magnum related anatomic planes of reference and their MRI equivalent reference lines.