How many receptors do you know?

[xiongliang0]

alpha1
alpha2

beta1 ------when it is actived the heart beats more powerful
beta2 ------when it is actived Vascular expans.
beta3

M1
M2
M3

5-HT1
5-HT2
5-HT3

Opioid receptors —— Morphine's target
...
...
and so on

There are so many receptors in body. Especially in the brian.
Could anyone tell me more detail?

[N.T]

Yes...there are certainly a lot of receptors!! I can't help explain all of them but I always found 'Pharmacology' by Rang, Dale and Ritter very helpful.

I've always had a particular interest in the serotonin (5HT) receptors and this document provides an overview for them Serotonin--a detailed overview