physical or mental feature which is regarded as indicating condition of disease. Signs that suggests that there are problems.

make something happen.

hormone released by pituitary gland that causes increased contraction of uterus during labour and stimulates ejection of milk into ducts of breasts.

pituitary hormone which acts to promote retention of water by kidneys and increase blood pressure.

harmful to health.

Characterized by or constituting an obsession. person who is affected by obsession.

chemical substance which is released at end of nerve fibre by arrival of nerve impulse and, by diffusing across synapse or junction. Chemical substances, such as acetylcholine or dopamine, that transmits nerve impulses across a synapse.

repeated decorative design. Colors or shapes which are repeated on objects. To copy the way something else is made.

compound present in body as neurotransmitter.

capacity to have effect on someone or something. Affects or changes some things indirectly. have influence on.

having striking or revealing effect. To recognize something based on certain signs.

lacking in required or necessary quality. To desire or wish for something; hope for a thing.

statement or event that warns of something or that serves as cautionary example. To tell someone about possible danger.

To grow bigger, more complex, or more advanced.

state of things as they actually exist, as opposed to idealistic or notional idea of them.