The anus in the newborn.
The size of the anus is defined in newborns of varying weights. A plea is made for proper examination of the anus at birth.
D001003:Anal Canal / Q000033:anatomy & histology*; D001004:Anus Diseases / Q000175:diagnosis; D001724:Birth Weight; D006801:Humans; D007231:Infant, Newborn; D010808:Physical Examination