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Lateral view diagram of the oral muscles of facial expression, highlighting the blending of buccinator and orbicularis oris fibers.
Encyclopaedia

Buccinator

by Max Bidewell

Lateral view of the neck highlighting the two heads of the sternocleidomastoid muscle innervated by the accessory nerve (CN XI).
Encyclopaedia

Sternocleidomastoid

by Dr Oliver Jones

Biochemistry

Apoptosis

by Dr Oliver Jones