Term
|
Definition
| chemical messengers that trigger many of the responses that maintain homeostasis |
|
|
Term
|
Definition
| any of the glands of the endocrine system that secrete hormones directly into the bloodstream |
|
|
Term
|
Definition
| certain cells equipped to respond to a certain hormone. have chemical receptors that recognize the shape of the molecules on the hormone. |
|
|
Term
| antidiuretic hormone (ADH) |
|
Definition
| produced by the hypothalamus; travels to the kidneys where it stimulates nephrons to reabsorb more water...more water is reabsorbed |
|
|
Term
|
Definition
| secreted by pineal gland; helps regulate body's rhythms (contributes to drowsiness) |
|
|
Term
|
Definition
| master control center of endocrine system. makes hormones that direct activities of endocrine glands; receives and sends nerve signals |
|
|
Term
|
Definition
| secretes hormones that influence other glands/body functions |
|
|
Term
|
Definition
| butterfly-shaped gland wrapped around trachea; produces thyroxine and calcitonin |
|
|
Term
|
Definition
| stimulates cellular respiration; influences development and maturation; helps maintain normal blood pressure, heart rate, digestion, reproduction. |
|
|
Term
|
Definition
| a hormone that regulates calcium levels |
|
|
Term
|
Definition
| produces insulin and glucagon |
|
|
Term
|
Definition
| increases amount of glucose that enters body cells (decreases blood glucose level). liver stores excess glucose as glycogen |
|
|
Term
|
Definition
| secreted when blood glucose level falls; stimulates liver cells to break down glycogen into glucose, which is then released into the blood |
|
|