42 results found

Search Results for: sensory cell

Cell

A cell is a membrane-bound structure that occurs as a functional independent unit of life (such as in unicellular organisms,... Read More

Centrosome

Centrosome Definition What is a centrosome? The centrosome is considered to be the main microtubule-organizing... Read More

Sensory cell

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

Nucleus

In cell biology, the nucleus is the large, membrane-bounded organelle that contains the genetic material in the form of... Read More

Afferent Nerve

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

Organism

An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and... 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

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

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... 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

Biology

Biology Definition Biology is the branch of science that primarily deals with the structure, function, growth, evolution,... Read More

Smooth muscle

The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More

Sensory neuron

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

Epidermis

Epidermis Definition What is the epidermis? We can define epidermis as one or more layers of cells forming the tough and... Read More

Nerve cell

Definition noun, plural: nerve cells A neuron; a cell of the nervous system that transmits nerve impulses Supplement Nerve... Read More

Interneuron

Definition noun, plural: interneurons (1) Any local circuit neuron of the central nervous system that relays impulses... Read More

Stimulus

We can detect hot or cold environments using our sense of temperature. When the temperature is too hot, sweating... Read More

Thermoreceptor

Definition noun, plural: thermoreceptors The sensory nerve ending in a sensory cell sensitive to changes in temperature... Read More

Dorsal root ganglion

Definition noun, plural: dorsal root ganglia (neuroanatomy) The ganglion on the dorsal root of every spinal nerve. It is... Read More

Positive feedback

Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More

Myelinated nerve

Definition noun A nerve cell in which the axon is surrounded by a layer of Schwann cell membranes of myelin... Read More

Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use

IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More

Merkels tactile disk

Definition noun A single sensory nerve ending characterized by a terminal cuplike, expanded tip that is in contact with the... Read More

Receptor

receptor 1. A molecular structure within a cell or on the surface characterised by selective binding of a specific substance... Read More

Neuron

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

Merkel disk receptor

Definition noun A single sensory nerve ending characterized by a terminal cuplike, expanded tip that is in contact with the... Read More

Medullated nerve

Definition noun A nerve cell in which the axon is surrounded by a layer of white, fatty substance (myelin). Supplement The... Read More

Thermotaxis

Definition noun A form of taxis characterized by the directional movement of an organism in response to... Read More

Chemoreceptor

Definition noun, plural: chemoreceptors (1) A sensory nerve cell or sense organ, as of smell, or taste, that are able to... Read More

Signal transduction

Signal transduction The cascade of processes by which an extracellular signal (typically a hormone or neurotransmitter)... Read More

Myelinated neuron

Definition noun A neuron in which the axon is enveloped by a layer of Schwann cell membranes (sheath). Supplement The myelin... Read More

Human Biology: Concepts and Current Issues (3rd Ed) by M.D. Johnson

Human Biology: Concepts and Current Issues with InterActive Physiology for Human Biology CD-ROM (3rd... Read More

Galactosamine

Definition noun, plural: galactosamines A hexosamine, where galactose contains an amine (-NH2) instead of a hydroxyl (–OH)... Read More

Cristae

Definition noun, singular: crista (cell biology) The infoldings or inward projections of the inner membrane of the... Read More

Plantae

Definition noun A taxonomic group comprised of plants, particularly land plants and green algae Supplement Plantae is a... Read More

Intermediate Physics for Medicine and Biology by R.K. Hobbie

 Intermediate Physics for Medicine and Biology       ... Read More