regulatory substance produced in organism and transported in tissue fluids such as blood. Chemical produced by the body to control functions.

make or manufacture.

To turn something on.

system of parts in machine.

Basal part of the diencephalon governing autonomic nervous system.

of glands which secrete hormones or other products directly into blood.

thing characteristic of its kind. be illustrated or exemplified.

person initiated into organization. To allow someone into a group by a special ceremony.

Concerning the pituitary gland. major endocrine gland, pea-sized body attached to base of brain that is important in controlling growth and development and functioning of other endocrine glands.

Act of freeing someone from a duty or burden. To allow to leave a jail, cage, etc.; let out.

clearly defined or identified. medicine or remedy effective in treating particular disease.

characterized by absence of distinguishing features. no. In grammar, containing words such as 'no' or 'not'. refuse to accept.

To move from one person to another, as at a party.

instance of becoming smaller or fewer. To reduce the size, amount or number of something.

act or process bringing change. Acts of making or becoming something else. To replace something with another thing.