create a diagram for arterial supply for radius.

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arterial supply of radius bone anatomy detailed

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Anatomical diagram showing the arterial supply of the radius bone. Clean medical illustration style with labeled structures on a white background. The diagram should show the radius bone (from elbow to wrist) in the center, with the following arteries clearly labeled and drawn: 1. BRACHIAL ARTERY at the top (at elbow level, cubital fossa) 2. It bifurcates into RADIAL ARTERY (lateral) and ULNAR ARTERY (medial) 3. From ULNAR ARTERY: COMMON INTEROSSEOUS ARTERY branching off, which then divides into: - ANTERIOR INTEROSSEOUS ARTERY (runs along anterior surface of interosseous membrane) → gives NUTRIENT BRANCHES to the entire radius shaft - POSTERIOR INTEROSSEOUS ARTERY (runs along posterior surface of interosseous membrane) → supplies distal radioulnar joint 4. RADIAL RECURRENT ARTERY branching from the radial artery near the neck of radius (supplies radial head via pericervical arterial ring) 5. PERICERVICAL ARTERIAL RING around the radial head/neck (from radial recurrent artery + branch of ulnar artery + branch of interosseous artery) 6. NUTRIENT ARTERY entering the radius shaft diaphysis from anterior interosseous artery 7. At the wrist: RADIAL ARTERY giving off PALMAR CARPAL BRANCH and DORSAL CARPAL BRANCH 8. DISTAL RADIOULNAR JOINT supplied by both anterior and posterior interosseous arteries Key labels in bold: - "Entire radius shaft: nutrient branches of ANTERIOR INTEROSSEOUS ARTERY" - "Radial head: PERICERVICAL ARTERIAL RING" - "Distal radioulnar joint: ANTERIOR + POSTERIOR INTEROSSEOUS ARTERIES" Use color coding: arteries in red, the radius bone in light beige/cream, interosseous membrane in light blue. Include a small legend. Professional medical textbook illustration style.

Here is the diagram for the arterial supply of the radius:
Arterial Supply of the Radius

Arterial Supply of the Radius - Key Points

1. Radial Head & Neck

  • The radial head is supplied by a pericervical arterial ring formed by:
    • Branches of the radial recurrent artery (from the radial artery)
    • A branch of the ulnar artery
    • A branch of the interosseous artery
  • A separate branch of the interosseous artery supports the neck
  • The nutrient artery provides intraosseous blood supply

2. Entire Radius Shaft

  • Supplied by nutrient branches of the anterior interosseous artery
  • The anterior interosseous artery is a branch of the common interosseous artery, which arises from the ulnar artery

3. Distal Radioulnar Joint

  • Supplied by both the anterior interosseous artery and the posterior interosseous artery
  • Both arise from the common interosseous artery (ulnar artery branch)

Hierarchy Summary

Brachial Artery
├── Radial Artery → Radial Recurrent Artery → Pericervical ring (radial head)
└── Ulnar Artery
    └── Common Interosseous Artery
        ├── Anterior Interosseous Artery → Nutrient branches (entire radius shaft)
        └── Posterior Interosseous Artery → Distal radioulnar joint
Clinical relevance: In distal radius fractures, the anterior interosseous artery's integrity is essential for bone healing. The distal radioulnar joint repair depends on intact anterior and posterior interosseous arteries. - Gray's Anatomy for Students, p. 967; Rockwood & Green's Fractures in Adults, 10th ed., p. 1660
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