Hair is a protein filament that grows from follicles found in the dermis. Hair is one of the defining characteristics of mammals. The human body, apart from areas of glabrous skin, is covered in fo...
An oxide /ˈɒksaɪd/ is a chemical compound that contains at least one oxygen atom and one other element[1] in its chemical formula. Metal oxides typically contain an anion of oxygen in the oxidation...
A sensor is a converter that measures a physical quantity and converts it into a signal which can be read by an observer or by an (today mostly electronic) instrument. For example, a mercury-in-gla...
A reaction inhibitor is a substance that decreases the rate of, or prevents, a chemical reaction. A catalyst, in contrast, is a substance that changes the rate of a chemical reaction.
Cerebral blood flow (CBF), is the blood supply to the brain in a given time.[1][broken citation] In an adult, CBF is typically 750 millilitres per minute or 15% of the cardiac output. This equates ...
T cells or T lymphocytes are a type of lymphocyte (itself a type of white blood cell) that play a central role in cell-mediated immunity. They can be distinguished from other lymphocytes, such as B...
Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product. These products are often proteins, but in non-protein coding genes such as rib...
Magnetohydrodynamics (MHD) (magneto fluid dynamics or hydromagnetics) is the study of the dynamics of electrically conducting fluids. Examples of such fluids include plasmas, liquid metals, and sal...
Macular degeneration, often age-related macular degeneration (AMD or ARMD), is a medical condition that usually affects older adults and results in a loss of vision in the center of the visual fiel...
A biomarker, or biological marker, generally refers to a measurable indicator of some biological state or condition. The term occasionally also refers to a substance whose presence indicates the ex...
Transplant rejection is when transplanted tissue is rejected by the recipient's immune system, which destroys the transplanted tissue. Transplant rejection can be lessened by determining the molecu...
Herpes simplex (Greek: ἕρπης herpēs, "creeping" or "latent") is a viral disease from the herpesviridae family caused by both Herpes simplex virus type 1 (HSV-1) and type 2 (HSV-2). Infection with t...
Cardiac dysrhythmia (also known as arrhythmia or irregular heartbeat) is any of a group of conditions in which the electrical activity of the heart is irregular or is faster or slower than normal. ...
Hypoglycemia (also spelled hypoglycaemia or hypoglycæmia, not to be confused with hyperglycemia) is a medical emergency that involves an abnormally diminished content of glucose in the blood. The t...
Peptides (from Gr. πεπτός, "digested", derived from πέσσειν, "to digest") are naturally occurring biological molecules. They are short chains of amino acid monomers linked by peptide (amide) bonds....
Cardiovascular disease (also called heart disease) is a class of diseases that involve the heart, the blood vessels (arteries, capillaries, and veins) or both.[1] Cardiovascular disease refers t...
A nanostructure is a structure of intermediate size between microscopic and molecular structures. Nanostructural detail is microstructure at nanoscale.
Oligonucleotides are short, single-stranded DNA or RNA molecules that have a wide range of applications in genetic testing, research, and forensics. Commonly made in the laboratory by solid-phase c...
Drug delivery refers to approaches, formulations, technologies, and systems for transporting a pharmaceutical compound in the body as needed to safely achieve its desired therapeutic effect. It may...
