endocrine system

hormones

protein hormones

steroid hormone

prostaglandins

positive feedback

negative feedback

one messenger model

two messenger model

hypersecretion

hyposecretion

pituitary gland

growth hormone

luteinizing hormone

Prolactin

follicle stimulating hormone

adrenocorticotropic hormone

oxytocin

antidiuretic hormone

hypothalamus

acromegaly

thyroid gland

calcitonin

parahormone

tetany

osteoporosis

adrenal gland

cortex

medulla

cortisol

aldosterone

Cushing syndrome

pancreas

insulin

glucagon

diabetes

estrogen

progesterone

testosterone

pineal gland

melatonin

Thymus gland