Mucosal melanotic macule https://en.wikipedia.org/wiki/Oral_pigmentation#Melanotic_macule
Mucosal melanotic macule inogona kuwanikwa pamuromo (oral mucosa), muromo (lip), mukanwa (palate), uye gingiva. Mucosal melanotic macule maronda ane pigment anowanikwa mumuromo wemuromo, anokonzerwa nekuwedzera kwepigmentation ye epithelium uye lamina propria. Kuratidzwa kwekiriniki kunowanzo inzvimbo ye brown, dema (black), bhuruu (blue) kana grey (gray) iyo yakanyatso kutenderedzwa, maronda anowanzo asingasviki 10 mm mudhayamita asi anogona kuve akakura mune dzimwe nguva. Chirwere chisina kunaka.

○ Kuongororwa uye Kurapwa
Zvizhinji zvakanaka kana yunifomu muchimiro uye ruvara.

Mamwe mashoko ― Shona
References Black and Brown: Non-neoplastic Pigmentation of the Oral Mucosa 30671761 
NIH
Addison’s Disease (Hypoadrenocorticism),Peutz–Jeghers Syndrome,Laugier–Hunziker Syndrome (Idiopathic Lenticular Mucocutaneous Pigmentation),Drug-Related Discolorations,Melanotic Macule,Melanoacanthoma,Smoker’s Melanosis,Amalgam Tattoo/Foreign Body Tattoo,Black Hairy Tongue