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MENINGIOMA

is a benign (inactive) brain condition which develops in the arachnoid layer specifically of the meninges. Meningio-ma is responsible for

MENSTRUATION

is the discharge of blood and endmetrial tissue from the uterus through the vagina in women which marks the end

MENTAL DISORDER

is an umbrella a term used to describe any psychological symptoms, abnormal behaviours, impaired functioning or any combination of the

MENTAL HYGIENE

is an approach to mental health which states that mental health issues can be avoided given the appropriate level of

MENTAL RETARDATION (MR)

is described by the DSM (diagnostic and statistical manual) as: a disorder characterized by intellectual function that is significantly below

MEPERIDINE

is a drug, formed synthetically which is used to moderate severe and moderate pain - it is therefore an opioid

MESCALINE

was a hallucinogenic drug which was derived from the peyote cactus and was widely used by the indigenous peoples of

MESOSTRIATAL SYSTEM

are a network of neurons sensitive to dopamine which rise from the midbrain into the basal ganglia innervating them.

METABOLITE

an umbrella term used to describe a substance which is produce by the metabolism of another molecule.

METAMOTIVATION

are the motives behind character growth, character expression, maturation and general development. These factors operate on the self-actualization and transcendence

METHAQUALONE

is a drug which is used for its sedative and hypnotic effects on patients. It has a potency which is

METHOD OF LOCI

is a technique used to remember words which are converted into mental images and then associated with specific positions or

METHYLPHENIDATE

is a stimulating drug which is related to the amphetamine family of drugs, with a complementary mechanism of action. It

MICROGENETIC DEVELOPMENT

was first proposed by Lev Vygotsky which postulates the existence of a series of changes which occur over a relatively

MICROSMIA

describes a decreased ability to smell.

MIDDLE KNOWLEDGE

is a cognitive state which occurs to patients with a terminal illness where they actively recognize and realise their mortality.

MIILLER-URBAN WEIGHTING, UR

proposed by George Muller and Frank M. Urban.

MILITARY SERVICE

is a service entered into either by conscription or volunteer into the armed forces of a state.

MIMICRY

is the process of behaviours which appear in one species for their evolutionary benefits by allowing the species or organism

MINIATURE SYSTEM

is the integrated knowledge, which includes facts and assumptions about a small area of study, usually within a sub-strand of