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MYELINATED FIBER

describes a nerve fibre which has been coated in a myelin sheath, insulating its conduction. These are typically quicker than

MYOPATHY

is an umbrella term used to describe any condition or disorder which involves defective functioning of the muscle fibres. For

MACLEAN'S THEORY OF EMOTION

a theory which emphasizes the importance of various parts of the limbic system including the hippocampus and amygdala with respect

MACULAR DEGENERATION,

occurs when a the blood vessels under the retina grow and reputer, haemorrhaging into the tissue.

MAGNIFICATION FACTOR

the degree by which the image have been magnified in retinotopic mapping.

MAJOR HISTOCOMPATIBILITY COMPLEX (MHC)

is one component (a gene complex) of the immune system which regulates the immune response of the body to foreign

MALE ORGASMIC DISORDER

in the DSM (Diagnostic Statistical Manual), male orgasmic disorder is classed as the: persistent or recurrent delay in, or absence

MALUM IN SE

Is an argument in law which implies the act itself is evil and therefore punishable.

MANIA

otherwise known as a manic episode refers to a period of extreme psychosis.

MANOPTOSCOPE

is a piece of diagnostic equipment used to measure eye dominance. The eye through which the eye is observed by

MARASMUS

is a condition which results in- apathy, withdrawal from normal routines, emaciation from a lack of protein nutrition and if

MARINOL

a common or trade name for a drug called marinol.

MARSUPIAL

A mammal of an order (Marsupialia) whose members are born incompletely developed and are typically carried until development finishes.

MASOCHISTIC PERSONALITY DISORDER

is a condition where individuals consistently obtain gratification from the persistent degradation by humiliations, self-sacrifice and walling in misery .

MASTERY LEARNING 1

the process of obtaining knowledge or developing an individuals understanding of one specific area of science or theology for example

MATE SELECTION

is the process of choosing an appropriate partner for reproduction within a population. Where the male to female ratio dictates,

MATHEMATICS DISORDER

in the DSM, mathematics disorders are learning disorders where the mathematical ability of the individual is far below that expected

MATURITY RATING

is the subjective rating of ones maturity level when compared to their peer group.

M-CELLS

are large neurons which can be found between the two most ventral layers of the lateral geniculate nucleus. Otherwise known

MEASUREMENT ERROR

is any difference between the observed value and the real or true value which leads to the skewing of results