Wrinkle

An indented line that appears in the skin; as with age, or after being in the water, or on such animals as elephants.

freckle(s)

Marks on the skin caused by exposure to sunlight: "Jim has brown hair, blue eyes and freckles."

tumor

unusual bodily growth

breast (female anatomy)

The felinoid that Kirk fought on Nimbus III had three breasts. Breast cancer represents an important health issue for Earth women.

Joint

articulation point of two bones; "Elbows and knees are joints."

jaw

An opposable articulated structure of the mouth. As in "One chews by using one's jaw."