Dictionary > Dicrotic notch

Dicrotic notch

Definition
noun
1. The brief rise or upstroke in a pulse tracing that occurs before the dicrotic wave, and represents a transient increase in aortic pressure.
2. The notch separating the systolic from the diastolic part of the pressure wave.
Supplement
Word origin: Greek: Di – twice +Krotos – beat

Also known as: incisura dicrota.

See also: diastole, systole.


You will also like...

Schematic diagram of bacterial lactose operon
Gene Action – Operon Hypothesis

Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..

..

Genetics and Evolution
Genetics and Evolution

Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..

Balanced Diet
A Balanced Diet – Minerals and Proteins

Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..

Stem
Stems

Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..

The process of photosynthesis
Photosynthesis – Photolysis and Carbon Fixation

Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..

Wart-like leaf galls on grape leaves
Plant Cell Defense

Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..

Related Articles...

No related articles found

See all Related Topics