Human Anatomy Glossary

Cranial Nerves

• The Seventh Cranial Nerve is the chief motor nerve of the face, controlling facial expressions and movements.

Skeletal System

• The skeletal system forms the physical foundation of the body, comprising bones and moveable and immovable joints.

Nervous System

• The Smaller Occipital Nerve affects the scalp and muscles behind the ear, playing a role in sensory and motor functions.

Cranial Bones

• The Sphenoid Bone acts as a connector, linking all the bones of the cranium together.

Central Nervous System

• The Spinal Cord is a part of the central nervous system, originating in the brain and extending downward through the spinal column.

Muscles

• The Sternocleidomastoideus muscle is located in the neck, responsible for depressing and rotating the head.

Blood Supply

• The Submental Artery supplies blood to the chin and lower lip, providing oxygen and nutrients.
• The Superficial Temporal Artery supplies blood to the muscles of the front, sides, and top of the head, supporting their functions.

Skeletal System

• Provides the physical foundation of the body
• Composed of bones and movable and immovable joints

Nervous System

• Spinal cord is a portion of the central nervous system
• Originates in the brain
• Runs downward through the spinal column

Blood Circulation

• Superficial temporal artery supplies blood to the muscles of the head
• Specifically supplies blood to the front, sides, and top of the head