176 results found

Search Results for: physiological

Physiological adaptation

If we look over evolutionary history, we find that it’s neither the most genius and intelligent nor the strongest and the... Read More

Feedback mechanism

Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More

Physiological processes

physiological processes The functions of living organisms and their parts, and the physical and chemical factors and... Read More

Physiological Homeostasis

In animals such as ourselves, the internal environment of our bodies must have certain conditions within tolerable limits to... Read More

Saline solution

Saline Solution Definition Saline solution is one the most medically-used solution, which contains sodium chloride... Read More

Adaptation

Adaptation Definition In biology and ecology, adaptation refers to the process of adjusting behavior, physiology, or... Read More

Animal Water Regulation

Homeostatic control, a set environment, and how evolution and natural selection drives a species to adapt to its environment... Read More

Positive feedback

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

Physiological

Definition "adjective'' (1) Of, or pertaining to physiology or normal functioning of an organism. (2) (pharmacology)... Read More

Omnivore

Organisms need to eat food in order to gain energy and survive in the ecosystem. Often, living things are categorized by how... Read More

Tree

“The biological diversity is plenty if you look around yourself a little closely; with an eye for life!” … People... Read More

Generation of resting membrane potential

Stephen H. Wright Department of Physiology, College of Medicine, University of Arizona, Tucson, Arizona 85724... Read More

Hyperosmotic

Hyperosmotic Definition What is hyperosmotic? The word hyperosmotic is derived from two Greek words: 'hyper', meaning... 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

Energy coupling

What is Energy Coupling? Work, whether it be physical or biological, requires energy to be expended. In biological... Read More

Genetic diversity

Genetic Diversity Definition Each species is composed of individuals with their own set of genes. A gene is the inheritance... Read More

Pith

Pith Definition In general, the term "pith" refers to the "soft inner portion" of something. In botany, a pith refers... Read More

Autophagy

Definition noun A programmed cell death characterized by biochemical events leading to self-digestion through the... Read More

Apoptosis

Definition noun, plural: apoptoses A programmed cell death involving an ordered sequence of biochemical events that result... 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

Nitrogen

Definition noun plural: nitrogens ni·tro·gen, ˈnɐɪtʰɹədʒən (biochemistry) A colorless, odorless, gaseous... Read More

Adenosine

Definition noun plural: adenosines a·den·o·sine, əˈdɛn əˌsin A purine nucleoside that has adenine bound to a... Read More

Symbiosis

Symbiosis Definition What is symbiosis? Symbiosis can be defined as any kind of relationship or interaction between two... Read More

Neuropsychology

Definition noun The scientific study of the physiological basis of psychological processes Supplement Neuroscience is the... Read More

Parasympathetic nervous system

Definition noun A division of the (vertebrate) autonomic nervous system whose physiological effects are mostly in opposition... Read More

Milieu interieur

Definition noun (1) Literally means: the environment within. (2) The outside of the cells inside the body of an organism,... Read More

Genotype

Genotype Definition Genotype is the genetic makeup of an individual cell or organism that determines or contributes to its... Read More

Chronobiology

Definition noun A biological science that studies time-related phenomena in living organisms Supplement Chronobiology is a... Read More

Biology

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

Hypothalamic theory

Definition noun A theory on emotion formulated by Walter Cannon in 1929 which states that the diencephalon, consisting of... Read More

Agonist

Definition noun, plural: agonists (pharmacology) A molecule that combines with a receptor on a cell to trigger physiological... Read More

Cell death

Cell Death Definition Cell death refers to the event that leads to the death of a cell. The process entails the breaking... Read More

Prostaglandin

Definition noun, plural: prostaglandins A group of eicosanoids, structurally characterized as 20-carbon unsaturated fatty... Read More

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Equilibrium

Definition noun, plural: equilibriums or equilibria (1) The condition in which all acting influences are balanced or... Read More

Herbivore

Herbivore Definition A herbivore is the primary consumer of the food chain that usually occupies the second trophic level... 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

Sterile

Sterile Definition What does sterile mean? In reproductive biology, we can define sterile as an inability to reproduce or... Read More

Human Perception – Neurology

A better understanding of human perception unlocks the key to how the mind works, an advantage when working with people with... Read More

Harris lines

Definition noun Lines near the end of a juvenile long bone (e.g. tibia), detected through radiographs (e.g. by X-ray), and... Read More