GROSS: MUSCLE: MUSCLES OF FACIAL EXPRESSION; A=ORBICULARIS OCULI, B=ZYGOMATICUS MAJOR, C=DEPRESSOR ANGULI ORIS
Welcome to the Pathology Education Informational Resource (PEIR) Digital Library, a multidisciplinary public access image database for use in medical education.
GROSS: MUSCLE: MUSCLES OF FACIAL EXPRESSION; A=ORBICULARIS OCULI, B=ZYGOMATICUS MAJOR, C=DEPRESSOR ANGULI ORIS