Pituitary, Feedback & Reproductive Endocrine
Thyroid, Calcium & Endocrine Pancreas
100

This hormone causes milk letdown by contracting myoepithelial cells around mammary alveoli.

What is oxytocin?

100

This protein-rich material stored in thyroid follicles serves as the scaffold for thyroid hormone synthesis.

What is thyroglobulin?

200

This pineal hormone is strongly linked to photoperiod and seasonal reproductive cycles.

What is melatonin?

300

This hypothalamic neurotransmitter tonically inhibits prolactin release.

What is dopamine?

400

This part of the pituitary is derived from neural tissue and stores hormones made in the hypothalamus.

What is the posterior pituitary (neurohypophysis)?

500

Many of the growth-promoting effects of growth hormone are mediated through this liver-derived factor.

What is IGF-1 (insulin-like growth factor 1)?