26 results found

Search Results for: involuntary response

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

Involuntary Response

Responses that are not controlled by the individual, for example when someone flashes something past your face your... Read More

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

Pupillary light reflex

Definition noun, plural: pupillary light reflexes A reflex marked by the constriction of the pupil in response to the... Read More

Homeostatic Mechanisms and Cellular Communication

Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory... Read More

Chemotropism

Definition noun Growth or movement response of a cell or an organism to chemicals Supplement In general, tropism is an... Read More

Reflex arc

Definition noun, plural: reflex arcs A neural pathway that controls reflex reactions Supplement In physiology, a reflex... Read More

Heliotropism

Definition noun Growth or movement of a cell or an organism in response to the direction of the sun Supplement In general,... Read More

Accommodation reflex

Definition noun, plural: accommodation reflexes A reflex reaction of the eye in response to focusing on near object followed... Read More

Thigmotropism

Definition noun Growth or movement of a cell or an organism in response to touch Supplement In general, tropism is an... Read More

Gravitropism

Definition noun Growth or movement response of a cell or an organism to gravity Supplement Tropism is an involuntary... Read More

Phototropism

Definition noun, plural: photoropisms Growth or movement response of a cell or an organism to light Supplement In general,... Read More

Hydrotropism

Definition noun Growth or movement response of a cell or an organism to moisture or water Supplement In general, tropism is... Read More

Stretch reflex

Definition noun A reflex contraction of a muscle when the muscle proprioceptors (e.g. muscle spindles) are... Read More

Reflex

Definition noun, plural: reflexes (physiology) An innate, immediate involuntary action to a stimulus without prior conscious... 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

Tropism

Definition noun, plural: tropisms A movement or growth response of a cell or an organism to a stimulus, which may either be... Read More

Electrotropism

Definition noun Growth or movement of a cell or an organism in response to an electric field Supplement In general, tropism... Read More

Tissue

Tissue Definition What is tissue in the body? The body tissue is an aggregation of cells that function together and have a... Read More

Taxis

Definition noun, plural: taxes A behavioral response of a cell or an organism to an external stimulus, which may either be... Read More

Decerebrate rigidity

Definition noun An involuntary posturing whereby the arms are extended on the sides while the head is arched back, as... Read More

Somatic nervous system

Definition noun The part of the peripheral nervous system that consists of afferent nerves responsible in relaying motor and... Read More

Behaviour

Definition noun The observable response or reaction of an organism, an individual, or a system to a... Read More

Human Neurology

Human Neurology deals essentially with the nervous system of humans. It also features the various theories put forward by... Read More

Myocardium

Myocardium Definition What is the myocardium of the heart?  It is the muscular middle layer of the heart that is... Read More