10 results found

Search Results for: pacemaker

Pacemaker

pacemaker 1. (Science: apparatus, physiology) An object or substance that influences the rate at which a certain phenomenon... Read More

Muscle

Muscle cells are specialized to generate force and movement. There are three types of muscle tissue: (1) skeletal muscle,... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Entrance block

Entrance block --> protective block An incompletely understood mechanism whereby a pacemaker is protected from being... Read More

Digestion and Absorption of Food

The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... Read More

An introduction to Homeostasis

Researched and Written by Jonjo Minns Submitted to biologyonline.com on February 25, 2009. Published in biologyonline.com... Read More

Stannius ligature

Definition noun A ligature done in between the sinus venosus and the atrium or around the atrioventricular junction of an... Read More

Involuntary muscle

A muscle act typically either under the control of the will or without conscious control. Muscles that can be controlled at... Read More

Pineal gland

Definition noun, plural: pineal glands A small endocrine gland shaped like a pinecone, located in the epithalamus, and... Read More

Neural Control Mechanisms

Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More