List of anatomical variations

Part of a series of
Lists of human anatomical features
General List of human anatomical features / regions Variations Movements Systems
Structures Arteries Bones Foramina Glands Lymphatic vessels Nerves Organs Systems Veins
Muscles Abductors Adductors Depressors Elevators Extensors Flexors External rotators Internal rotators
See also Table of epithelia of human organs Anatomical terminology Index of anatomy articles Outline of anatomy

This page lists anatomical variations that are not deemed inherently pathological.

This list is incomplete; you can help by expanding it.

Accessory features

Muscles

• Accessory soleus muscle
• Sternalis muscle - or rectus thoracis
• Lesser head of psoas major

Glands

• Accessory parotid gland

Organs

• Accessory spleen

Other

• Accessory pancreatic duct
• Accessory nail of the fifth toe
• Darwin's tubercle
• Diastema (dentistry)

Lacking features

Muscles

• Risorius
• Psoas minor
• Missing or underdeveloped Pectoralis major is called Poland's syndrome

Varying features

Bones

• Sesamoid bone

Muscles

• Risorius

Vasculature

• Artery of Percheron
• Double cystic artery
• Variation of Basilic vein

Other

• Anisocoria

See also

• Congenital anomalies
• Psoas minor muscle