endocrine glands

exocrine glands

amino acid-based hormone

steroid hormones

second-messenger system

direct gene activation

target cell specificity

half-life of hormone

onset

negative feedback hormone release

humoral hormone

neural hormone

hormonal release

pituitary gland

anterior pit. hormones

growth hormone (GH)

thyroid stimulating hormone (TSH)

adrenocorticotropic hormone (ACTH)

FSH & LH

prolactin (PRL)

post. pit hormones

oxytocin

antidiuretic hormone

thyroid gland

parathyroid glands

adrenal cortex

adrenal medulla

pancreas

gonads

pineal gland

thymus