232 results found

Search Results for: increases

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

Density dependent limiting factor

What Is A Density-Dependent Limiting Factor? Density-dependent limiting factors are limiting factors, which, depending on... Read More

Respiration

Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More

Density dependent factor

Density-dependent factors are the limiting factors of an ecosystem that regulate population growth in a density-dependent... Read More

Muscle

Muscle cells are specialized to generate force and movement. There are three types of muscle tissue: (1) skeletal muscle,... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Inbreeding

Inbreeding is a type of breeding or mating where closely related individuals with a common ancestor produce progenies with... Read More

First-order kinetics

What is a First-Order Kinetics (First-Order Reaction)? First-order kinetics refers to a reaction wherein the overall rate... Read More

Vmax

Vmax Definition Vmax is the maximal reaction rate or velocity of an enzymatically catalyzed reaction when the enzyme is... Read More

Diaphoresis

What is Diaphoresis? Diaphoresis is referred to excessive or profuse perspiration or sweating which may be due to... 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

Regulation of Organic Metabolism, Growth and Energy Balance

Organic Metabolism Events of Absorptive and Post-absorptive States. The absorptive state is the period during which... Read More

Integumentary system

Integumentary System Definition The integumentary system is the outermost layer of the body. The animal body, in... Read More

Limiting factor

Limiting Factor Definition A limiting factor refers to any of the factors (variables) in an environment capable of limiting... Read More

Population Regulation in an Ecosystem

Darwin focused some of this work in regards to the population size of a species, and what factors may affect them. He... Read More

Monounsaturated fat

What is monounsaturated fat? Monounsaturated fats are healthy dietary fats. They are liquid at room temperature. Unlike... Read More

Environmental resistance

Environmental Resistance Definition Environmental resistance is such a process in which certain different elements or... Read More

Movement of Molecules Across Cell Membranes

Diffusion Diffusion is essentially the movement of molecules from a region of higher concentration to a region of lower... Read More

Addressing the Unmet Medical Need for Safe and Effective Weight Loss Therapies

Perspective Addressing the Unmet Medical Need for Safe and Effective Weight Loss Therapies Cynthia M. Arbeeny Address... Read More

Biological magnification

Definition noun, plural: biological magnification The increasing concentration of a particular substance (e.g. toxin) as it... Read More

Diuresis

Diuresis Definition In simple terms, excessively increased urination is referred to as diuresis. Diuresis is a collective... Read More

Leydig cell

Leydig cell interstitial cells of the mammalian testis, involved in synthesis of testosterone. leydig cell Leydig cells,... Read More

Follicle-stimulating hormone

Follicle Stimulating Hormone Definition In the pituitary gland of the brain, gonadotropic hormones are released.... Read More

Axon

What Is Axon? An axon is a thin, long fiber of a nerve cell (or neuron). It transmits electrical impulses from the cell... Read More

Osteocyte

Osteocyte Definition The osteocyte is a mature bone cell. Other bone cell types are osteoprogenitor cells, osteoblasts, and... Read More

Genetic drift

Genetic Drift Definition What is genetic drift in simple terms? The simple definition of genetic drift ( also referred to... Read More

Hyperosmotic

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

Photosynthesis

Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More

Predation

In ecology, predation is a mechanism of population control. Thus, when the number of predators is scarce the number of... Read More

Balanced diet

What is a balanced diet? What is the definition of a balanced diet? A nutritionally balanced diet fulfills all nutritional... Read More

Electroporation

Definition noun, plural: electroporations A non-chemical method that transfers the genetic material into the recipient cell... Read More

Oligohydramnios

Definition noun A condition characterized by a deficiency of amniotic fluid Supplement The amniotic fluid is the fluid that... Read More

Generation of resting membrane potential

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

Angiotensinogen

Definition noun An alpha-2 globulin protein that is found in the bloodstream and release into circulation mainly by the... Read More

Homologous

Homologous Definition What is homologous? In general science, the word “homologous” is used to show a degree of... Read More

Darwinian fitness

Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More

Amniotic fluid

Definition noun The protective fluid surrounding the developing fetus within the amniotic sac of a pregnant... Read More

Prostaglandin

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

Inhibitory postsynaptic potential

Inhibitory Postsynaptic Potential Definition An inhibitory postsynaptic potential is a type of synaptic potential. It is... Read More

Epistasis

Epistasis Definition What is epistasis in genetics? How does epistasis occur? The epistasis definition, in biology, refers... Read More