| A | B |
|---|
| Adenohypophysis | anterior pituitary gland |
| Adrenal gland | composed of the cortex and medulla |
| Endocrine | "ductless glands" |
| Gonads | primary sex organs |
| Hormone | regulatory substances |
| Neurohypophysis | Posterior pituitary gland |
| Parathyroid | secrete parathyroid hormone |
| Prostaglandin | any of a unique group of lipid molecules that have powerful, hormonelike effects |
| Target cells | one or more receptors |
| Thymus | Endocrine gland located in th mediastinum |
| Thyroid | hormones regulate cellular metabolism |
| Tropic hormone | stimulates another endocrine gland to grow and secrete its hormones |
| Infundibulum | stemlike stalk |
| Somatotrophs | secrete growth hormones |
| Lactotrophs | secretes prolactin |
