Anatomy

Definition The mandible is the largest bone in the human skull and supports the lower teeth. It is the only mobile bone of the skull and is essential …

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Definition The lacrimal bone or os lacrimale is a paired flat craniofacial bone that provides grooves for parts of the lacrimal apparatus (tear production) and …

Read moreLacrimal Bone: Definition, Location, Anatomy, & Function

Definition The hyoid bone is the only bony structure in the larynx and the only bone in humans that does not articulate with other bones. …

Read moreHyoid Bone: Definition, Location, Anatomy & Function

Definition Hip abduction refers to the movement of the hip joint as the leg is moved away from the midline of the body. As the …

Read moreHip Abduction: Definition, Anatomy, and Exercise

Definition The frontal bone (os frontale) is an unpaired craniofacial bone that provides partial coverage of the brain and forms the structure of the forehead and upper …

Read moreFrontal Bone: Definition, Location, Anatomy & Function

Frenulum Definition A frenulum is a small ridge or fold of skin that helps to anchor a semi-mobile body part. In the human body, frenulums are found …

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Definition A foramen (plural foramina) is an opening or hole through tissue, usually bone. It allows nerves and blood vessels to travel from one side of the tissue …

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Definition The facial bones (viscerocranium) make up most of the front  of the skull. The bones responsible for the form of the face are – from …

Read moreFacial Bones: Definition, Number, and Function

Definition An expressive aphasia definition was first described by Pierre Broca in 1861 and is, therefore, often called Broca’s aphasia. Difficulty in communicating written or …

Read moreExpressive Aphasia: Definition, Types, Causes & Treatment