The pterygo-spinous muscle--an aberrant (atavic) remnant.
We report here on an aberrant pterygoid muscle found during a dissection of the infratemporal fossa. We have not noted such a muscle in hundreds of dissections in the area. A few anatomical texts (Piersol, 1911; Testut, Latarjet, 1931) have referred to its possible existence as the pterygo-spinous muscle.
Nathan
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Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel.
D000328:Adult; D006801:Humans; D008297:Male; D008410:Masticatory Muscles / Q000002:abnormalities*; D011626:Pterygoid Muscles / Q000002:abnormalities*