PhysiologyWeb Logo  Search
PhysiologyWeb Loading...

Glossary of Physiology Terms
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Search

There are 2 glossary search results for:   cardiac cycle




Abbreviation:
PCG

Definition:
A recording of the sounds produced by the heart during the cardiac cycle. The main sounds recorded are those associated with turbulent blood flow caused by the closure of heart valves.



Definition:
Refers to the rapid depolarization of the membrane early in the action potential. In neuronal, skeletal muscle, and cardiac muscle action potentials, the Hodgkin cycle is responsible for the spike phase of the action potential.

See figure.

See also:
Important Features of the Neuronal Action Potential









Posted: Sunday, March 31, 2013
Last updated: Friday, August 28, 2015