Wednesday, June 25, 2025

206 bones in the adult human body

206 bones in the adult human body, arranged by region. You can copy this into a document editor (like Word or Google Docs), format it, and export it as a PDF.


🦴 Axial Skeleton (80 bones)

1. Skull (28 bones)

  • Cranial bones (8):
    • Frontal (1)
    • Parietal (2)
    • Occipital (1)
    • Temporal (2)
    • Sphenoid (1)
    • Ethmoid (1)
  • Facial bones (14):
    • Maxilla (2)
    • Zygomatic (2)
    • Nasal (2)
    • Lacrimal (2)
    • Palatine (2)
    • Inferior nasal concha (2)
    • Vomer (1)
    • Mandible (1)
  • Hyoid bone (1)
  • Auditory ossicles (6):
    • Malleus (2), Incus (2), Stapes (2)

2. Vertebral Column (26 bones)

  • Cervical vertebrae (7)
  • Thoracic vertebrae (12)
  • Lumbar vertebrae (5)
  • Sacrum (1; fused from 5)
  • Coccyx (1; fused from 4)

3. Thoracic Cage (25 bones)

  • Sternum (1)
  • Ribs (24; 12 pairs)

🦵 Appendicular Skeleton (126 bones)

4. Pectoral Girdle (4 bones)

  • Clavicles (2)
  • Scapulae (2)

5. Upper Limbs (60 bones)

  • Humerus (2)
  • Ulna (2)
  • Radius (2)
  • Carpals (16; 8 per wrist)
  • Metacarpals (10; 5 per hand)
  • Phalanges (28; 14 per hand)

6. Pelvic Girdle (2 bones)

  • Hip bones (2) – each formed by fusion of ilium, ischium, and pubis

7. Lower Limbs (60 bones)

  • Femur (2)
  • Patella (2)
  • Tibia (2)
  • Fibula (2)
  • Tarsals (14; 7 per ankle)
  • Metatarsals (10; 5 per foot)
  • Phalanges (28; 14 per foot)

Total: 206 bones



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