Search Results for: sympathetic nervous system
Sympathetic nervous system
Definition noun A division of the (vertebrate) autonomic nervous system that is chiefly involved in producing an immediate... 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 tissue
Nervous Tissue Definition Nerve cells (or neurons) and their associated cells, such as neuroglia cells, make up nervous... Read More
Nervous System
THE is the most complicated and highly organized of the various systems which make up the human body. It is the... 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
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
Diaphoresis
What is Diaphoresis? Diaphoresis is referred to excessive or profuse perspiration or sweating which may be due to... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... 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
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
Chromaffin cell
Definition noun, plural: chromaffin cells Any of the cells (mostly found) in adrenal medulla and in other ganglia of the... 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
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
Intrinsic sympathomimetic activity
Definition noun The property of a drug that produces partial agonist effect at the receptor similar to the cholinergic... Read More
Digestion and Absorption of Food
The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... Read More
Fight or flight reaction
Definition noun The response or reaction of an animal to a situation perceived as a threat to its survival, which involves... Read More
Ejaculation
Definition noun (biology) The act of ejecting or expulsion, as of the expulsion of semen from the male genital tract in... Read More
Integumentary system
Integumentary System Definition The integumentary system is the outermost layer of the body. The animal body, in... Read More
Lipogenesis
Lipogenesis Definition Lipogenesis is the process of producing lipid or fat to store biochemical energy for later metabolic... 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
White adipose tissue
Definition noun, plural: white adipose tissues A type of adipose tissue found in mammals used to store energy and acts as... Read More
Principles of Hormonal Control Systems
Hormones are chemical messengers that enter the blood directly upon their secretion from endocrine glands. A single gland or... Read More