Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «I»:
In vivo: In the living organism, as opposed to in
vitro (in the laboratory). ...
In-law: A relative by marriage. An in-law is not a biologic relative. This distinction is of importance in a medical family history....
In-the-canal hearing aid
In-the-canal hearing aid: A hearing instrument custom designed to fit in the ear canal. It protrudes slightly into the outer ear and so is visible. In-the-canal (ITC) instruments are appropriate for mild to moderate hearing losses but not for infants or young children.
See also: Hearing aid....
In-the-ear hearing aid
In-the-ear hearing aid: A hearing instrument in a custom-made shell designed to fit in the outer ear and ear canal. An in-the-ear (ITE) aid may be suitable for mild to moderately severe hearing loss but not for infants or young children. See also: Hearing aid....
Inactivation, X chromosome
Inactivation, X chromosome: See: X inactivation....
Inappropriate ADH secretion
Inappropriate ADH secretion: A syndrome of
inappropriate secretion of
antidiuretic hormone (ADH) which results in the inability
to put out dilute
urine, perturbs fluid (and electrolyte) balance, and
vomiting, muscle cramps, confusion and convulsions. It may
Inborn error of metabolism
Inborn error of metabolism: A heritable disorder of biochemistry. Examples of inborn errors of metabolism
include albinism, cystinuria (a cause of kidney stones),
phenylketonuria (PKU), and some forms of gout, sun sensitivity, and thyroid disease. These are only a very few of the hundreds of
Inbreeding: The mating of two closely related persons. Also
called consanguinity. ...
Inbreeding, coefficient of
Inbreeding, coefficient of: A measure of how close
two people are genetically to each another. The coefficient of
inbreeding, symbolized by the letter F, is the probability that a
person with two identical genes received both genes from one
Take a first-cousin mating. First cousins sh...
Incase: A term once used to refer to the medical case of an inpatient....
Incest: Sexual activity between individuals so closely related
that marriage is prohibited. Incest involving a child is a form of child abuse. ...
Inch: In length, 1/12th of foot or 1/36
yard or, metrically, 2.54 centimeters. The inch, along with the foot
and yard, are Old
World creations to which the USA has stubbornly clung. The inch was
originally about the
length of the last bone (distal phalanx) in a man's thumb and
served as a m...
Incidence: The frequency with which something,
such as a disease, appears in a particular
population or area. In disease epidemiology, the incidence is the number of newly diagnosed cases during a specific time period. The incidence is distinct from the prevalence which refers to the number of cas...
Incision: A cut. When making an incision, a surgeon is making a
Incisional biopsy: A biopsy in which only a sample of the suspicious tissue is cut into (incised) and removed for purposes of diagnosis. A incisional biopsy is in contrast to an excisional biopsy in which an entire lesion, usually a tumor, is removed....