Endocrine System

Hormone

Steroids

• estrogen, testosterone, cortisol, aldosterone

Non Steroids

• NE, Epinephrins - amino acid derived

• ADH, growth hormone - proteins

• FSH, LH, TSH - glycoproteins

Negative Feedback

EX 1- Body Temperature (review neural mechanism; DRAW)

EX 2 - Blood Glucose level - 2 loops

insulin

glucagon

EX 3 - Metabolism

Thyroid -

• Regulation feedback loop

TRH, TSH, thyroxin

EX 4 - Calcitonin

Pituitary Gland is VIP

3) Hypothalamic Control System

• location

• several imp functions:

• releases 10 dif hormones

• most are regulated via negative feedback

• most are released into blood but:

- portal system

• Pituitary - "Master gland" - used to be called

What controls the hypothalamus?