5-HT2A receptors
Concept
Serotonin receptors that psilocybin (and other classic hallucinogens) bind to, which are also targets for many antidepressants.
Mentioned in 2 videos
Videos Mentioning 5-HT2A receptors

Constructing Self and World: A Conversation with Shamil Chandaria (Episode #320)
Sam Harris
Serotonin receptors involved in mediating the effects of psychedelics like LSD and psilocybin, with potential intracellular actions contributing to neuroplasticity.

Roland Griffiths, Ph.D. on Psilocybin, Psychedelic Therapies & Mystical Experiences
FoundMyFitness
Serotonin receptors that psilocybin (and other classic hallucinogens) bind to, which are also targets for many antidepressants.