trace amine

Introduction

Biogenic amines present in very low levels in mammalian tissues. Including:

• phenylethylamine
• p-tyramine
• octopamine
• tryptamine

Some trace amines serve as neurotransmitters in invertebrates; however, function in vertebrates is speculative.

More general terms

• biogenic amine

Additional terms

• trace amine-associated receptor (TAAR)