E

stage in human development commonly accepted to be between the ages of 3-5 years

the polished appearance of a bone due to cartilaginous damage and the contact of bone to bone at a joint

a very hard substance that covers the dentine on the crown of a tooth

the size of the space in the cranium where the brain sits

a geographically defined area that includes its geological and ecological settings and the biological organisms that inhabit the area

the second center of ossification in long bones; separated from the shaft by an epiphyseal plate

Sievelike bone which forms part of the bony nose

the cause of a disease or abnormal condition

when the sole of the foot is turned laterally; the opposite of inversion

descent through genetic modification; a change in gene allele frequencies from one generation to the next

a movement to increase the angle between a joint; see also flexion