melanotic macule causes Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review Pigmented (Purple or Brown) Lesions
Description
A young Zyzz then and now

It works by activating melanocortin receptors throughout the body, including pathways involved in melanin production, desire and arousal signaling, appetite and satiety, inflammatory balance, and broader mind-body communication

[DOI] [Google Scholar] Barros R

Molecular cloning, chromosomal localization of human peripheral-type benzodiazepine receptor and PKA regulatory subunit type 1A (PRKARlA)-associated protein PAP7, and studies in PRKAR1A mutant cells and tissues

Bobik A