http://health.howstuffworks.com/human-body/systems/endocrine/adam-200091.htm

http://www.youtube.com/watch?v=8fh2HmdxQjQ

http://www.youtube.com/watch?v=1IQQPtyE7Lc&feature=related

Good Links

The endocrine and nervous system act individually and together in regulating an animal’s physiology◦ Endocrine system- all the hormone secreting cells

and tissues. Ductless Hormones – chemical signals that cause a response

in a target cell Controlled by positive and negative feedback

Exocrine glands – ducted glands Sweat Oil

Just the Facts

Hormones bind to:◦ Cell-surface receptors and a signal transduction

pathway is triggered.◦ Intracellular receptors- lipid soluble, steroid

hormones use this method – bind to a receptor that acts as a transcription factor and causes a gene to be expressed

Hypothalamus and pituitary integrate many functions of the vertebrate endocrine system.

Posterior pituitary◦ Oxytocin◦ ADH

Anterior Pituitary FSH LH GH Prolactin TSH ACTH

Triiodithyronine Thyroxine Calcitonin

Thyroid Gland

Parathyroid Hormone

Parathyroid

Insulin- Beta Cells of the Islets of Langerhan Glucagon – Alpha Cells of the Islets of

Langerhan

Pancreas

Adrenal Medulla – secretes epinephrine and norepinephrine

Adrenal Cortex – secretes glucocorticoids mineralocoroticoids

Adrenal Gland

Testes – Androgens – Testosterone Ovaries – Estrogens, and Progesterone

Gonads

Melatonin – regulates body rhythms – light /dark cycles

Pineal

Abnormal HormonesToo much or Too little GH

Giantism Dwarfism

Thyroid gland

Hyperthyroidism Hypothroidism

Adrenal gland

Addison’s DiseaseHypoadrenalism

Cushing’sHyperadrenalism