Search Results for: parasympathetic nervous system
Nervous tissue
Nervous Tissue Definition Nerve cells (or neurons) and their associated cells, such as neuroglia cells, make up nervous... Read More
Parasympathetic nervous system
Definition noun A division of the (vertebrate) autonomic nervous system whose physiological effects are mostly in opposition... Read More
Peripheral nervous system
Definition noun The part of the nervous system that relays between the central nervous system and the rest of the body,... Read More
Nervous system
Definition noun The organ system responsible mainly for coordination of bodily reactions, organ monitoring, and information... Read More
Central nervous system
Definition noun The part of the nervous system comprised of the brain, the brainstem, and the spinal cord Supplement In... Read More
Sympathetic nervous system
Definition noun A division of the (vertebrate) autonomic nervous system that is chiefly involved in producing an immediate... Read More
The Central Nervous System
Myelin Sheath Myelin is a substance that forms the myelin sheath associated with nerve cells. This sheath is a layer of... 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
Peristalsis
What is Peristalsis? Peristalsis is the series of involuntary, wave-like muscle movements in the cylindrical, hollow tube... Read More
Homeostasis
Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More
Internal urethral sphincter
Definition noun The urethral sphincter made up of smooth muscle cells found at the inferior end of the urinary bladder and... Read More
Digestion and Absorption of Food
The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... Read More
Regulation of Organic Metabolism, Growth and Energy Balance
Organic Metabolism Events of Absorptive and Post-absorptive States. The absorptive state is the period during which... Read More
Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More