Tongue morphology: Cidi heishe) and heilan zi nie she
Licence: Public Domain Mark
Credit: Tongue morphology: Cidi heishe) and heilan zi nie she. Wellcome Collection. Source: Wellcome Collection.
Licence: Public Domain Mark
Credit: Tongue morphology: Cidi heishe) and heilan zi nie she. Wellcome Collection. Source: Wellcome Collection.