37 results found

Search Results for: afferent

Afferent Nerve

Afferent Nerve Definition The word ‘aferent’ means "steering or conducting something towards a destination". The... Read More

Afferent neuron

Definition noun, plural: afferent neurons A type of neuron that detects stimulus from the periphery and relays nerve... 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

Kidneys and Regulation of Water and Inorganic Ions

Renal Functions Kidneys remove/add substances from/to the plasma. Regulate water concentration, inorganic ion... Read More

Control of Body Movement

Motor Control Hierarchy A motor program is the pattern of neural activities required to perform a movement is created and... 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

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

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

Efferent neuron

Definition noun, plural: efferent neurons A neuron with an axon that carries nerve impulses peripherally, and innervates... Read More

Somatic nervous system

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

Efferent nerve

Definition noun, plural: efferent nerves The type of nerve that carries nerve impulses away from the central nervous system... Read More

Voluntary muscle

Definition noun, plural: voluntary muscles A muscle that can be controlled voluntarily Supplement Some of the muscles of 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

Internal capsule

Definition noun (anatomy) A fan-like, 8-10 mm thick of white matter separating the caudate nucleus and the thalamus from the... Read More

Sensory neuron

Definition noun, plural: sensory neurons A type of neuron that transmits sensory nerve impulses Supplement The neurons are... Read More

Relay neuron

Definition noun A local circuit neuron of the central nervous system that relays impulses between afferent neuron 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

Human Reproduction

Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More

Nervous tissue

Nervous Tissue Definition Nerve cells (or neurons) and their associated cells, such as neuroglia cells, make up nervous... Read More

Archeocerebellum

Archeocerebellum --> vestibulocerebellum Those regions of the cerebellar cortex whose predominant afferent fibres arise... Read More

Exteroceptors

exteroceptor One of the peripheral end organs of the afferent nerves in the skin or mucous membrane, which respond to... 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

Sensory cell

sensory cell A cell in the peripheral nervous system that receives afferent (sensory) input; sensory receptor... Read More

The Psychobiology of Hysteria

Editorial Hysteria is often regarded as the archetypal psychodynamic illness. Freud carried out much of his early work on... Read More

Peristalsis

What is Peristalsis? Peristalsis is the series of involuntary, wave-like muscle movements in the cylindrical, hollow tube... Read More

Pacinian corpuscles

pacinian corpuscles Rapidly adapting mechanoreceptors found in subcutaneous tissue beneath both hairy and glabrous skin.... Read More

Generator potential

Definition noun A graded response to a stimulus, or a graded depolarization induced in the terminal of a sensory receptor,... Read More

Lymphatic vessel

Definition noun, plural: lymphatic vessels (anatomy) A vessel that carries lymph and is responsible for the removal of... Read More

Gag reflex

Definition noun, plural: gag reflexes A reflex contraction characterized by retching or gagging when a foreign body comes in... Read More

Lymph nodes

Lymph nodes definition Lymph nodes are small, bean-shaped organs located in different parts of the body and act as... Read More

Hyperalgesia

Definition noun The excessive sensitivity to pain Supplement Hyperalgesia pertains to the excessive sensitivity to pain. It... Read More

Neuron

Definition noun, plural: neurons An excitable cell that has specialized cell parts (such as soma, dendrites and axons),... Read More

Efferent

Efferent moving or carrying outward or away from a central part. Refers to vessels, nerves, etc. For example: blood vessels... Read More

Sensation

sensation 1. (Science: physiology) An impression, or the consciousness of an impression, made upon the central nervous... Read More

Component

Component (Science: physiology) a constituent element or part, specifically in neurology, a series of neurons forming a... Read More

The Human Nervous System

The nervous system is essentially a biological information highway, and is responsible for controlling all the biological... Read More