Glands that are ductless and release their secretions directly into the bloodstream.

glands throughout the animal body that secrete hormones, which help coordinate body systems.

Organs whose function is to secrete regulating substances, or hormones, into the blood.

hormone-producing glands that regulate the body's normal function

glands that produce hormones and release them into bloodstream when required.

Glands that regulate body activity by secreting hormones.

Any gland of the body that secretes hormones directly into the lymph nodes or bloodstream.

Organs that secrete hormones which are released into circulation and control various body processes; endocrine glands include the pituitary and the gonads (the ovaries and the testes).

Ductless organs or groups of cells that secrete hormones into the body and regulate metabolic activities.

H ormone-producing glands that regulate the body's normal function.

certain hormone-producing glands (thyroid, adrenal, etc.).

Organs that produce and deliver hormones to the blood for use in the body.

Those parts of the body which produce and secrete (release) hormones.

Organs which secrete hormones into the blood or lymph systems to regulate or influence general chemical changes in the body or the activities of other organs; Major endocrine glands are the thyroid, adrenal, pituitary, parathyroid, pancreas, ovaries and testicles.

A. thyroid B. pituitary gland C. pineal gland D. thymus E. adrenal glands F. pancreas G. ovaries (female) H. testes (male) (Source: Carlyn Iverson)

Glands which secrete hormones into the blood to act as chemical messengers.

glands that produce chemicals (hormones) which affect other body cells

A ductless gland that releases hormones directly into the bloodstream, e.g. the pancreas (it releases insulin which controls blood sugar level).

Glands secreting directly into the blood stream-also known as ductless glands.

glands in the body, such as the adrenal, that secrete hormones (chemical messengers) directly into the bloodstream

Glands that release hormones into the bloodstream. The ovaries are one type of endocrine gland.

The endocrine glands manufacture one or more hormones and secrete them directly into the bloodstream. Endocrine glands include the pituitary, thyroid, parathyroid, adrenal, ovary, testis, placenta and part of the pancreas.

glands that secrete hormones into the bloodstream that stimulate or inhibit other body organs.

Related Topic"A set of glands including the pituitary, hypothalamus, pineal, thyroid, parathyroid, thymus and adrenal glands, as well as the pancreas, ovaries and testes..."

The organs in the body that produce hormones. They are ductless glands that empty hormonal secretions directly into the bloodstream.

Glands that release hormones into the bloodstream. They affect how the body uses food (metabolism). They also influence other body functions. One endocrine gland is the pancreas. It releases insulin so the body can use sugar for energy. See also: Gland.

The collective term for hormone secreting glands. They include the ovaries, testes, pituitary, the pancreas and adrenal glands.