English dictionary of medical terms (33)

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[Multilingual]No:640 - external
(L. externus outside) situated or occurring on the outside; many anatomical structures formerly called external are now more correctly termed lateral.
[Multilingual]No:641 - extracellular
outside a cell or cells.
[Multilingual]No:642 - extracorporeal
(extra- + L. corpus body) situated or occurring outside the body.
[Multilingual]No:643 - extract
(L. extractum) a concentrated preparation of a vegetable or animal drug obtained by removing the active constituents therefrom with a suitable menstruum, evaporating all or nearly all the solvent, and adjusting the residual mass or powder to a prescribed standard. Extracts are prepared in three forms; semiliquid or of syrupy consistency, pilular or solid, and as dry powder.
[Multilingual]No:644 - extraction
(L. ex out + trahere to draw) the process or act of pulling or drawing out.
[Multilingual]No:645 - extrapyramidal
outside of the pyramidal tracts.
[Multilingual]No:646 - extrarenal
outside of the kidney.
[Multilingual]No:647 - extrasystole
a premature contraction of the heart that is independent of the normal rhythm and arises in response to an impulse in some part of the heart other than the sinoatrial node; called also premature beat.
[Multilingual]No:648 - extravasation
(extra + L. vas vessel) a discharge or escape, as of blood, from a vessel into the tissues.
[Multilingual]No:649 - extravascular
situated or occurring outside a vessel or the vessels.
[Multilingual]No:650 - extreme
as far away as possible from the centre, the beginning or the average; of the highest degree or intensity
[Multilingual]No:651 - extremity
a limb; an arm or leg (membrum (NA)); sometimes applied specifically to a hand or foot.
[Multilingual]No:652 - exudate
(L. exsudare to sweat out) material, such as fluid, cells, or cellular debris, which has escaped from blood vessels and has been deposited in tissues or on tissue surfaces, usually as a result of inflammation. An exudate, in contrast to a transudate, is characterized by a high content of protein, cells, or solid materials derived from cells.
[Multilingual]No:653 - facial
(L. facialis from facies face) of or pertaining to the face.
[Multilingual]No:654 - factor
(L. 'maker') any of several substances or activities that are necessary to produce a result, e.g. a coagulation factor. Often, use of the term 'factor' indicates that the chemical nature of the substance or its mechanism of action is unknown, as in endocrinology, where 'factors' are renamed as 'hormones' when their chemical nature is determined.
[Multilingual]No:655 - faecal
pertaining to or of the nature of feces.
[Multilingual]No:656 - feces
(L. faeces, pl. of faex refuse) the excrement discharged from the intestines, consisting of bacteria, cells exfoliated from the intestines, secretions, chiefly of the liver, and a small amount of food residue.
[Multilingual]No:657 - fasciculation
a small local contraction of muscles, visible through the skin, representing a spontaneous discharge of a number of fibres innervated by a single motor nerve filament.
[Multilingual]No:658 - fatal
causing death, deadly; mortal; lethal.
[Multilingual]No:659 - febrile
(L. febrilis) pertaining to or characterized by fever.

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