| A | B |
|---|
| Adenohypophysis | anterior pituitary gland |
| Adrenal glands | Glands that rest on top of the kidneys |
| Endocrine | Secreting into the blood or tissue fluid rather than a duct |
| Gonads | Primary sex organs, which produce reproductive cells |
| Hormone | regulatory substance secreted by and endocrine glands |
| Neurophypophysis | posterior pituitary gland |
| Parathyroid | endocrine glands embedded in the posterior aspect of the thyroid gland |
| Prostaglandin | any of a unique group of lipid molecules that have powerful, hormonelike effects |
| Target cell | any cell with one or more receptors for a particular hormone |
| Thymus | endocrine gland located in the mediastinum |
| Thyroid | Endocrine gland located in the neck whose hormones regulate cellular metabolism |
| Tropic hormone | hormone that stimulates another endocrine gland to grow and secrete its hormones |
