stratum basale

noun
stratum ba·​sa·​le | \ -bā-ˈsā-lē How to pronounce stratum basale (audio) \
plural strata basalia\ -​lē-​ə How to pronounce strata basalia (audio) \

Medical Definition of stratum basale

1 : the basal layer of the epidermis consisting of a single row of columnar or cuboidal epithelial cells that continually divide and replace the rest of the epidermis as it wears away

called also stratum germinativum

— see malpighian layer
2 : the deep layer of the endometrium that is between the stratum spongiosum and the myometrium and that is retained during menstruation

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