Acetabulum

Acetabulum (noun): the socket in the hip bone which receives the head of the femur (thigh bone)

Aboral

Aboral (adjective): in a direction opposite to or away from the mouth (used mainly to indicate direction within the digestive tract)

Microphthalmia

Microphthalmia (noun): an unnatural smallness of the eyes, occurring due to disease or imperfect development

Hypsodont

Hypsodont (adjective): referring to teeth that have high crowns and short roots, as with some of the teeth of horses

Brachydont

Brachydont (adjective): referring to teeth that have short crowns and well-developed roots, as in dogs, cats, and humans

Foramen / foramina

Foramen (noun): an opening or short passage, usually used in the context of a bone; plural = foramina

Mastication

Mastication (noun): the process of chewing