17 results found

Search Results for: parasympathetic nervous system

Ganglion

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Ganglia

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... 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, and... Read More

Parasympathetic nervous system

Definition noun A division of the (vertebrate) autonomic nervous system whose physiological effects are mostly in opposition... 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

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

Sympathetic nervous system

Definition noun A division of the (vertebrate) autonomic nervous system that is chiefly involved in producing an immediate... 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

Digestion and Absorption of Food

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

Circulation

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

Muscle

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

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

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

Amphotonia

Amphotonia Increased excitability of both the parasympathetic and sympathetic nervous systems. Origin: ampho-- g. Tonos,... Read More