brain-blood barrier

См. также в других словарях:

• Blood-brain barrier — A protective network of blood vessels and cells that filters blood flowing to the brain. * * * blood brain barrier n a naturally occurring barrier created by the modification of brain capillaries (as by reduction in fenestration and formation of… …   Medical dictionary

• Brain — This article is about the brains of all types of animals, including humans. For information specific to the human brain, see Human brain. For other uses, see Brain (disambiguation). A chimpanzee brain The brain is …   Wikipedia

• Brain–computer interface — Neuropsychology Topics Brain computer interface …   Wikipedia

• Brain tumor — Classification and external resources Brain metastasis in the right cerebral hemisphere from lung cancer shown on T1 weighted magnetic resonance imaging with intravenous contrast …   Wikipedia

• blood-brain barrier — [blud′brān′] n. Physiol. the barrier created by the walls of the capillaries of the brain that prevents certain substances, as most proteins and drugs, from passing from the blood into the brain tissue and cerebrospinal fluid …   English World dictionary

• blood-brain barrier — blood′ brain′ bar rier n. phl a layer of tightly packed cells that make up the walls of brain capillaries and prevent many substances in the blood from diffusing into the brain • Etymology: 1940–45 …   From formal English to slang

• blood-brainbarrier — blood brain barrier (blŭdʹbrān ) n. A physiological mechanism that alters the permeability of brain capillaries, so that some substances, such as certain drugs, are prevented from entering brain tissue, while other substances are allowed to enter …   Universalium

• Blood-brain barrier — The blood brain barrier (BBB) is a metabolic or cellular structure in the central nervous system (CNS) that restricts the passage of various chemical substances and microscopic objects (e.g. bacteria) between the bloodstream and the neural tissue …   Wikipedia

• blood-brain barrier disruption — BBBD. The use of drugs to create openings between cells in the blood brain barrier. The blood brain barrier is a protective network of blood vessels and tissue that protects the brain from harmful substances, but can also prevent anticancer drugs …   English dictionary of cancer terms

• Blood-retinal barrier — The blood retinal barrier, or the BRB, is part of the blood ocular barrier that consists of cells that are joined tightly together in order to prevent certain substances from entering the tissue of the retina. [Biologyonline.org.… …   Wikipedia

• barrier — 1. An obstacle or impediment. 2. In psychiatry, a conflictual agent that blocks behavior that could help resolve a personal struggle. [M.E., fr. O.Fr. barriere, fr. L.L. barraria] blood air b. the material intervening between alveolar air and the …   Medical dictionary