Major Endocrine Glands Flashcards
1
Q
what are hormones?
A
any substance released by one cell to regulate another cell
2
Q
what organ is considered to be the endocrine director?
A
the hypothalamus
3
Q
what are the three groups of hormones based on their structures?
A
steroids
amine derived
proteins
4
Q
what are steroid hormones?
A
lipids derived from cholesterol
5
Q
what happens to steroid hormones once synthesised?
A
secreted, not stored anywhere
6
Q
how are steroids transported in the blood?
A
bound to carrier proteins
7
Q
where is cortisol secreted from?
A
the adrenal cortex
8
Q
how are catecholamines transported in the blood?
A
either unbound or free
9
Q
how are thyroid hormones transported in the body?
A
bound to carrier proteins
10
Q
how are peptide hormones transported in the blood?
A
unbound in plasma
