Muscles of the Shoulder Region

Illustration of the superficial muscles of the back, highlighting their anatomical positions.

The Extrinsic Muscles of the Shoulder

Illustration of the rotator cuff muscles that stabilize the shoulder joint.

The Intrinsic Muscles of the Shoulder

Popular

Illustration of the lumbricals of the hand, highlighting their unipennate and bipennate structures.
Encyclopaedia

Lumbricals (Hand)

by Dr Oliver Jones

Cross-sectional diagram of a hair follicle and hair shaft, labeled with follicle structures including the medulla, cortex, cuticle, sebaceous gland, root sheaths, hair matrix, dermal papilla, hair bulb, and arrector pili muscle.
Tissue Ultrastructure

The Hair Follicle

by Pratham Dalwadi

Illustration of the deltoid and teres major muscles, highlighting their anatomical structure and relation to the circumflex scapular artery.
Encyclopaedia

Teres Major

by Dr Oliver Jones