38 results found

Search Results for: cardiovascular system

Cardiovascular system

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

Circulation

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

Blood vessel

Definition noun, plural: blood vessels Any of the vessels in cardiovascular system and functions by carrying blood... 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

Closed circulatory system

Definition noun A type of circulatory system where blood circulates within closed vessels, thus, blood is distinct from... Read More

Circulatory system

Circulatory System Definition noun The organ system responsible for the circulation and transport of oxygen, carbon... Read More

System

A system pertains to interdependent or interrelated objects comprising and functioning as a whole. In biology, it may refer... Read More

Laminarin

Definition noun, plural: laminarins A storage polysaccharide that is found in brown algae which is purely made up of... Read More

Biological system

Definition noun, plural: biological systems A group of entities or organs that work together to carry out a particular... 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

Myocardium

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

Oxygen

Oxygen Definition In biochemistry, oxygen is the colorless, odorless, gaseous element represented by the symbol "O", with... Read More

Passive transport

Passive transport is a type of cellular transport in which substances such as ions and molecules move down their respective... Read More

Human

Definition noun plural: humans hu‧man, (h)yo͞omʹn A bipedal primate belonging to the genus Homo, especially Homo... Read More

Lymphatic vessel

Definition noun, plural: lymphatic vessels (anatomy) A vessel that carries lymph and is responsible for the removal of... Read More

Lymphoid organ

Definition noun, plural: lymphoid organs The organ of the lymphatic system, and carries out various immune... Read More

Organism

An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and... Read More

Systole

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

Circulatory fluid

Definition noun The fluid confined within the vessel in a closed circulatory system or that contained in a cavity (hemocoel)... Read More

Anatomy

Anatomy Definition Often we hear the term 'anatomy' while learning about the body and how it works. What is anatomy? What... Read More

Organ

Definition noun, plural: organs A group of tissues that perform a specific function or group of functions Supplement An... Read More

Cell membrane

Definition noun plural: cell membranes ˈmembɹeɪn The cell’s outer membrane made up of a two layers of phospholipids... Read More

Biomolecule β-Hydroxybutyrate – key to vascular youth?

One of the hallmarks of old age is vascular aging. Researchers found that a biomolecule, β-Hydroxybutyrate (BHB), can serve... Read More

Filtration

Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... Read More

High-density lipoprotein cholesterol

Definition noun High-density lipoprotein carrying a cholesterol molecule at its center Supplement A lipoprotein is an... 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

Thiamine

Definition noun One of the B vitamins that can be obtained from pork, oatmeal, brown rice, vegetables, potatoes, liver,... Read More

Sphenopalatine ganglioneuralgia

Definition noun The medical or scientific term for brain freeze Supplement The sphenopalatine ganglioneuralgia is a type of... Read More

Micromolecule

Micromolecules Definition How to define micromolecule? Micromolecules are relatively small molecules that are combined... Read More

Hyperosmotic

Hyperosmotic Definition The word Hyperosmotic is derived from two Greek words: 'hyper', meaning “excess” and 'osmos',... Read More

Carbon monoxide

Carbon monoxide (Science: chemical) An organic byproduct of combustion, tasteless, odourless gas that competes with oxygen... Read More

Disaccharide

Definition noun plural: disaccharides di·sac·cha·ride, daɪˈsækəɹaɪd (biochemistry) A (carbohydrate) composed of... Read More

Parameter

parameter A variable whose measure is indicative of a quantity or function that cannot itself be precisely determined by... Read More

Cholesterol

Definition noun A sterol or a modified steroid that is synthesized by animal cells to become an essential component of... Read More

Pleiotropy

Pleiotropy Definition When one single gene starts affecting multiple traits of living organisms, this phenomenon is known... Read More

Sugar

Definition noun plural: sugars sug·ar, ˈʃʊɡɚ (1) Any monosaccharide or disaccharide, used especially by organisms... Read More

Pathobiology of allergy and its most severe form, anaphylaxis

When allergy season looms, some people with serious hypersensitivity to allergens tend to be apprehensive of what may come.... Read More