Lecture 4: Clinical Endocrinology Flashcards
1
Q
What are the three main categories of hormone?
A
Steroid - lipid derived from cholesterol.
Peptide - made of short polypeptide chains. (most hormones are this variety). (Insulin is an example)
Amine - derived from aromatic amino acids. (An example is adrenaline).
2
Q
What hormones belong to the amine group?
A
Thyroid hormones:
- Triiodothyronine (T3)
- Thyroxine (T4)
Adrenal medulla:
- Epinephrine
Pineal gland:
- Melatonin
The precursors to these hormones are the amino acids tyrosine and tryptophan.
3
Q
What hormones belong to the steroid group?
A
Adrenal cortex:
- Aldosterone
- Cortisol
Gonads:
- Testosterone
- Oestrogen
- Progesterone
