37 results found

Search Results for: chamber

Alimentary canal

Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More

Three-chambered heart

Three-chambered heart congenital abnormality in which there may be a single atrium with two ventricles or a single ventricle... Read More

Chambers

Chamber a compartment or enclosed space. See: camera. Origin: L.... 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

Atrium

Atrium (Science: anatomy) a chamber, used in anatomical nomenclature to designate a chamber affording entrance to another... Read More

Goniosynechia

Definition noun, plural: goniosynechiae Synechia of the iris to the cornea in the angle of the anterior... Read More

Sensory Systems

A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More

Vestibule

Languages are intriguing subjects that you can spend your entire life with but never get enough of… As we begin the... Read More

Ecosystem

Ecosystem Definition An ecosystem is a system consisting of biotic and abiotic components that function together as a unit.... Read More

Vitreous humor

Definition noun The clear, gel-like body fluid in the vitreous chamber, i.e. the posterior cavity between the lens and the... Read More

Cardiovascular system

Definition noun The organ system in which the blood is pumped through the heart and circulates throughout the body through... Read More

Smooth endoplasmic reticulum

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

Nasopharynx

Definition noun, plural: nasopharynges or nasopharynxes (anatomy) The part of the pharynx extending from the posterior... Read More

Oxidizer

An oxidizer is a substance that facilitates oxidation in a chemical reaction by accepting electrons from another substance.... Read More

Shaft

shaft 1. The slender, smooth stem of an arrow; hence, an arrow. His sleep, his meat, his drink, is him bereft, That lean he... Read More

Semilunar valve

The human heart structure consists of heart chambers (2 atria and 2 ventricles) that differ functionally from each other.... Read More

Absorption cell

Absorption cell a small glass chamber with parallel sides, in which absorption spectra of solutions can be... Read More

Sclerotome

Definition noun, plural: sclerotomes (embryology) The somite that gives rise to the development of vertebrae and... 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

Genetic Information and Protein Synthesis

Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More

Sense organ

Definition noun, plural: sense organs An organ or structure that has nerve endings capable of detecting and reacting to a... Read More

Thalamus

thalamus (Science: anatomy) Either of two large, ovoid masses, consisting chiefly of grey substance, situated one on each... Read More

Floater

Definition noun, plural: floaters (ophthalmology) One or more spots or threadlike specks that seem to float or move in one's... Read More

Ion

We have been introduced to ions in varied fields of Science like Physics, Chemistry, and Biology. This article takes you on... Read More

Sinus venosus

Definition noun In embryo, the cavity caudad of cardiac tube where the veins from the intra- and extraembryonic circulatory... Read More

Animal

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

Systole

Systole (Science: physiology) The time at which ventricular contraction occurs. systole is the contraction of the chambers... Read More

Residual volume

Residual volume is a term that is most often seen in lung physiology where it is defined as the amount of air remaining in... Read More

Host cell

Host Cells Definition What is a host cell? A host cell is a living cell that serves as a shelter and a food source to the... Read More

Pharynx

Lined with moist tissue, the pharynx is like a bustling biological highway that directs food and air to their respective... Read More

Cornea

Cornea (Science: anatomy, ophthalmology) The transparent structure forming the anterior part of the fibrous tunic of the... Read More

Degrade

Degrade 1. To reduce from a higher to a lower rank or degree; to lower in rank to deprive of office or dignity; to strip of... Read More

Aqueous humor

Definition noun, plural: aqueous humors A clear, watery body fluid secreted by the ciliary epithelium, and fills the... Read More

Nitrogen

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

Trap

trap (Science: geology) An old term rather loosely used to designate various dark-coloured, heavy igneous rocks, including... Read More

Gate

Gate 1. A way; a path; a road; a street (as in Highgate). I was going to be an honest man; but the devil has this very day... 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