69 results found

Search Results for: pump

Sodium-potassium pump

Definition noun A transmembrane ATPase enzyme located in the plasma membrane of animal cells, and functions by pumping... Read More

Pump

pump An hydraulic machine, variously constructed, for raising or transferring fluids, consisting essentially of a moving... Read More

Jet ejector pump

Jet ejector pump a suction pump in which fluid under high pressure is forced through a nozzle into an abruptly larger tube... Read More

Protein pump

Protein pump - a kind of protein that is capable of pumping out compounds that could pose a threat to the cell. An example... Read More

Ion Pump

A vacuum pump that removes gas by ionizing the atoms or molecules and adsorbing them on a metal surface.A protein... Read More

Carrier protein

Carrier protein is a type of cell membrane protein involved in facilitated diffusion and active transport of substances out... Read More

Proton pump

proton pump integral membrane proteins that transport protons across a membrane against a concentration gradient. This... Read More

Circulation

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

Active transport

Active transport is a type of cellular transport in which substances (e.g. ions, glucose, and amino acids) are transported... Read More

Concentration gradient

Concentration gradient definition Concentration gradient refers to the gradual change in the concentration of solutes in a... Read More

Sarcoplasmic reticulum

Definition noun plural: sarcoplasmic reticula (cell biology) The special type of smooth endoplasmic reticulum found in... Read More

Transport

In biology, transport refers to the act or the means by which a molecule or ion is moved across the cell membrane or via the... Read More

Suction

suction The act or process of sucking; the act of drawing, as fluids, by exhausting the air. Suction chamber, the chamber of... Read More

Suckers

sucker 1. One who, or that which, sucks; especially, one of the organs by which certain animals, as the octopus and remora,... Read More

Sucker

sucker 1. One who, or that which, sucks; especially, one of the organs by which certain animals, as the octopus and remora,... Read More

Myocardium

Myocardium Definition What is the myocardium of the heart?  It is the muscular middle layer of the heart that is... Read More

Garden

Garden 1. A piece of ground appropriates to the cultivation of herbs, fruits, flowers, or vegetables. 2. A rich,... Read More

Fangs

Fang 1. (Science: zoology) The tusk of an animal, by which the prey is seized and held or torn; a long pointed tooth;... Read More

Receiver

receiver 1. One who takes or receives in any manner. 2. A person appointed, ordinarily by a court, to receive, and hold in... Read More

Siphon

siphon 1. A device, consisting of a pipe or tube bent so as to form two branches or legs of unequal length, by which a... Read More

Prime

prime 1. First in order of time; original; primeval; primitive; primary. Prime forests. She was not the prime cause, but I... Read More

Spears

spear To shoot into a long stem, as some plants. See spire. 1. A long, pointed weapon, used in war and hunting, by thrusting... Read More

Hot

Hot 1. Having much sensible heat; exciting the feeling of warmth in a great degree; very warm; opposed to cold, and... Read More

Smooth endoplasmic reticulum

Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is (a part of) endoplasmic reticulum that is... Read More

Lift

Lift 1. Act of lifting; also, that which is lifted. 2. The space or distance through which anything is lifted; as, a long... Read More

Perfusion

Definition noun, plural: perfusions (physiology) The act of perfusing, such as the pouring over or through of a fluid by way... Read More

Bell jar

Bell jar (Science: physics) a glass vessel, varying in size, open at the bottom and closed at the top like a bell, and... Read More

Adjuvant

Adjuvant 1. (Science: pharmacology) a substance that, when added to a medicine, speeds or improves its action which aids... Read More

Generation of resting membrane potential

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

Trabeculae carneae

Definition noun Muscular ridges that crisscross and project from the inner walls of the heart ventricles. Supplement Their... Read More

Rhizophora

Definition noun (botany) A genus of the family Rhizophoraceae which includes the true mangroves Supplement Rhizophora is a... Read More

Aldosterone

Definition noun, plural: aldosterones A mineralocorticoid with a chemical formula of C21H28O5, and controls salt and water... Read More

Cellular respiration

Cellular Respiration Definition The main function of cellular respiration is to break down glucose to form energy. What is... Read More

Independent variable

Independent Variable Definition To define independent variable, let us first understand what a variable is. The word... Read More

Single cycle circulation

Definition noun A type of blood circulation in which the system has only one circuit, with the blood being pumped through... Read More

ATP synthase

Definition noun, plural: ATP synthases An enzyme that catalyzes the formation of ATP from the phosphorylation of ADP with... Read More

Atrial systole

Definition noun The contraction of the myocardia of the atria. Supplement In cardiac cycle, the atrial systole pumps the... Read More

Water in Plants

The movement of molecules, specifically water and any solutes, is vital to understand in light of plant processes. This will... 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

Pallet

pallet 1. Same as palette. 2. A wooden implement used by potters, crucible makers, etc, for forming, beating, and rounding... Read More