407 results found

Search Results for: response

Immune response

Immune Response Definition An immune response is defined as the reaction of the body in response to the presence of a... Read More

Unconditioned stimulus

An unconditioned stimulus inherently triggers an automatic response, not reliant on deliberate prior learning. In contrast... Read More

Agonist

What is an Agonist? In biology, an "agonist" is the "doer of an action". Opposite of it is the antagonist, which opposes... Read More

Positive feedback

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

Flehmen response

Definition noun A behavior in certain animals wherein the animal curls back the upper lip thereby exposing the front teeth,... Read More

Stimulus

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

Target response

target response --> operant In conditioning, any behaviour or specific response chosen by the experimenter; its frequency... Read More

Triple response

Definition noun (immunology) The three cardinal circulatory responses of the skin (i.e. reddening, flare formation or... Read More

Growth and Plant Hormones

Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... Read More

Antigen

Antigen Definition What is an antigen? A simple definition is that an antigen refers to any substance that triggers an... Read More

Inflammatory response

Definition noun, plural: inflammatory responses (medicine) A response of the body to an injurious agent, characterized by... Read More

Endoplasmic reticulum

Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... 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

Hypersensitivity

Hypersensitivity Definition Hypersensitivity is the exaggerated immune response to protect the human from foreign bodies... Read More

Homeostatic Mechanisms and Cellular Communication

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

Fibroblast

The building block of living things is known as the cell. The cell contributes to many parts and functions of different... 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

Involuntary Response

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

Rough endoplasmic reticulum

Rough Endoplasmic Reticulum Definition The rough endoplasmic reticulum (rough ER or rER) is a membrane-bound organelle... Read More

Response

response An action or movement due to the application of a stimulus. Origin: L. Respondere = to answer,... 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

Fibrinous exudate

What Is Fibrinous Exudate? Fibrinous exudate is a type of exudate (inflammatory fluid) that forms at the site of tissue... 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

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

Smooth endoplasmic reticulum

Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is part of or a region in the endoplasmic... Read More

Humoral immunity

Let’s get to know where one should place humoral immunity, the topic of today’s discussion!! By the end of the article,... Read More

Nastic movement

Definition noun, plural: nastic movements The non-directional movement (of plants) in response to a stimulus (e.g. humidity,... 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

Thigmonasty

Definition noun A form of nastic movement (of a plant or a fungus) as a response to touch or vibration Supplement Nastic... Read More

Null hypothesis

Null Hypothesis Definition Null hypothesis is defined as “the commonly accepted fact (such as the sky is blue) and... Read More

Consciousness and Behavior

States of Consciousness Defined either by (1) behavior - ranging from attentive and alert to coma and (2) electrical... 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

Pathogen

What are Pathogens? Pathogens are defined as microscopic organisms, including viruses, bacteria, fungi, and parasites that... Read More

Leukocyte

Leukocytes, also called the white blood cells (WBCs), inhabiting our immune system are the cells that exhibit astonishing... 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

Monocyte

Monocytes Definition Monocytes are a subset of white blood cells (WBCs) or leukocytes that originate in the bone marrow.... Read More

Adipose tissue

Adipose Tissue Definition Adipose tissue, a specialized variety of connective tissue, is composed of lipid-rich cells known... Read More

Characteristic

Characteristics Definition We can define characteristics as qualities or features that describe the distinctive nature or... Read More