present participle of simianize

plural of simian crease

(anatomy, pathology) A crease that extends across the palm of the human hand, formed by the fusion of the two palmar creases, found especially in people with Down syndrome.

(anatomy) A bony thickening on the front of the mandible of an ape.

plural of simian shelf

plural of simian immunodeficiency virus

(virology) A species of retrovirus that causes persistent infections in several species of African non-human primates.