Mesa tana daga cikin nau'inkan macizai wato macijiya sai dai ita Mesa babbar macijiya ce don kuwa tanada hatsarin gaske, tunda har mutane takan haɗiye ba tareda wani ɓata lokaci ba. Mafi akasari mesa tana rayuwarta ne a daji tana haɗiye namun daji har na ruwa takan haɗiye kada da kifi da sauran halittan ruwa. Ana kuma samunta a yankunan Afirka Asiya da kuma ƙasar Ostireliya (Australia) waɗannan yankunan Mesa tafi yawa, sai kuma irin ƙasashen Indiya Bangladesh, Pakistan, China da dai sauransu. Ana samun Nau'ikan mesa har kusan kala arba'in da biyu (42) a faɗin duniya. . Mesa tana haihuwa ne ta hanyar yin ƙwai kamar ƙadangare, tsaka maciji da dangin su. Matan mesa sune suke ƙyanƙyashe ƙwansu da kansu. Sai dai duk da haɗarin da ke tattare da mesa mutane suna farautarta sosai saboda wasu suna cin namanta ana kuma amfani da fatarta wajen ɗinka takalma, jaka da maɗaurin wando (belt) dai sauransu. Ana amfani da wasu sassan jikin mesa don yin waɗansu magunguna, wato masu maganin gargajiya suna amfani da fatarta, jininta da kitsenta don yin wasu magunguna a ƙasashen Afirka kenan sune suke da waɗannan sirrinkan game da mesa.