English dictionary of medical terms (54)
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- No:1060 - mesenteric
(Gr. mesenterikos) pertaining to the mesentery : a membranous fold
attaching various organs to the body wall.
- No:1061 - metabolism
(Gr. metaballein to turn about, change, alter) the sum of all the
physical and chemical processes by which living organized substance
is produced and maintained (anabolism), and also the transformation
by which energy is made available for the uses of the organism
- No:1062 - metabolite
any substance produced by metabolism or by a metabolic process.
- No:1063 - metabolization
the chemical process by which matter is broken down into simpler
substances, said especially of food processed by the human body.
- No:1064 - metaplasia
(meta- + Gr. plassein to form) the change in the type of adult
cells in a tissue to a form which is not formal for that tissue.
- No:1065 - metastasis
(meta- + Gr. stasis stand) 1. the transfer of disease from one
organ or part to another not directly connected with it. It may
be due either to the transfer of pathogenic microorganisms (e.g.,
tubercle bacilli) or to transfer of cells, as in malignant tumours.
The capacity to metastasize is a characteristic of all malignant
tumours. 2. Pl. metastases. A growth of pathogenic microorganisms
or of abnormal cells distant from the site primarily involved by
the morbid process.
- No:1066 - meteorism
(Gr. meteorizein to raise up) tympanites; the presence of gas in
the abdomen or intestine.
- No:1067 - methaemoglobinaemia
(methemoglobin + Gr. haima blood + -ia) the presence of
methemoglobin in the blood, resulting in cyanosis. It may be drug-induced or be due to a
defect in the enzyme NADH methemoglobin
reductase (an autosomal recessive trait) or to an abnormality in
haemoglobin M (an autosomal dominant trait).
- No:1068 - metrorrhagia
(metro- + Gr. rhgnynai to burst out) uterine bleeding, usually of
normal amount, occurring at completely irregular intervals, the
period of flow sometimes being prolonged.
- No:1069 - micelle
a colloid particle formed by an aggregation of small molecules.
- No:1070 - microbiological
pertaining to microbiology : the science that deals with
microorganisms, including algae, bacteria, fungi, protozoa and
- No:1071 - microcirculation
the flow of blood in the entire system of finer vessels (100
microns or less in diameter) of the body (the microvasculature).
- No:1072 - microgram
a unit of mass (weight) of the metric system, being one-millionth
of a gram (10-6 gm.) or one one-thousandth of a milligram (10-3 mg.).
- No:1073 - micrography
(micro- + Gr. graphein to write) examination with the microscope.
- No:1074 - micronize
(Gr. micron a small thing) to reduce to a fine powder, to reduce to
particles a micron in diameter.
- No:1075 - microorganism
(micro- + organism) a microscopic organism; those of medical
interest include bacteria, viruses, fungi and protozoa.
- No:1076 - microscopic, microscopical
1. of extremely small size; visible only by the aid of the
microscope. 2. pertaining or relating to a microscope or to
- No:1077 - microsomal
of or pertaining to microsomes : vesicular fragments of endoplasmic
reticulum formed after disruption and centrifugation of cells.
- No:1078 - microsporum
(micro + Gr. sporos seed) a genus of small-spored ectothrix
ringworm fungi (dermatophytes) of the Fungi Imperfecti, order
Moniliales, family Moniliaceae, which cause various diseases of the
skin and hair. As the perfect (sexual) stages are identified, they
are classified in the genus Nannizzia. Called also microsporon.
- No:1079 - microvillus
a minute process or protrusion from the free surface of a cell.
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