Hormones thyroxin, adrenaline and the pigment melanin are formed from
Tryptophan
Glycine
Tyrosine
Proline
Complete failure of adenohypophysis of pituitary causes
Who is the “Father of Endocrinology”
In a pregnant woman having prolonged labour pains, if child birth has to be hastened i.e to aid parturition, it is advisable to administer a hormone that can
Which one of the following flows directly into the blood from seat of its production to act on an organ away from it