secretin
growth promoting plant hormone
secretin
Also known as androgenic hormone or testoid, androgen was first discovered in 1936. Androgen is a generic term for steroid hormones such as testosterone.
Pancreas
This is FSH - follicle stimulating hormone. While the hormone was named for its actions in the female (where it was first discovered), FSH was later discovered to also be secreted in the male, although the hormone is secreted continuously rather than in 'pulses' or 'waves' like in the female.
In 1902, scientist Ernest Starling discovered the very first form of secretin. Secretin is actually best known to be the very first discovered hormone.
Insulin
Insulin
The hormone progesterone was discovered in the 1960s. Other advances included the introduction of hormonal contraception and the first in vitro fertilization of a human egg.
Prostaglandins - their name comes from the fact that they were first discovered in male prostate glands.
well i kno they discovered hormones in 1902 but a hormone in itself is a chemical messenger so therefore it was the hormone