Radial Artery Anatomy

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Questions and Answers

What is the location where the radial artery can be palpated?

  • On the ulnar bone
  • In the anatomical snuff box (correct)
  • At the elbow
  • On the shoulder

The radial artery branches directly into the superficial palmar arch.

False (B)

What is one of the branches of the radial artery?

Radial recurrent artery

The radial artery descends into the __________.

<p>forearm</p> Signup and view all the answers

Match the following components related to the radial artery:

<p>Radial artery = Descends into the forearm Deep palmar arch = Continuation of the radial artery Scaphoid bone = Pulsation site of the radial artery Muscular branches = Supply muscles in the forearm</p> Signup and view all the answers

Which two bones does the inferior surface of the lower end of the bone articulate with?

<p>Scaphoid and Lunate (D)</p> Signup and view all the answers

The pisiform bone is part of the distal row of the carpal bones.

<p>False (B)</p> Signup and view all the answers

What muscle has its insertion on the anterior surface of the lower end of the bone?

<p>pronator quadratus</p> Signup and view all the answers

The five bones of the metacarpus are arranged from __________ to __________.

<p>lateral, medial</p> Signup and view all the answers

Match the carpal bones to their rows:

<p>Scaphoid = Proximal row Trapezium = Distal row Lunate = Proximal row Capitate = Distal row</p> Signup and view all the answers

Flashcards

Radial Artery

One of the two main branches that the brachial artery splits into, located on the opposite side of the radius.

Course of the Radial Artery

It runs down the forearm, passing by the thumb side.

Anatomical Snuff Box

A small depression on the back of your hand, located near the thumb.

Radial Recurrent Artery

A small artery that branches off the radial artery, supplying blood to the nearby muscles.

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Deep Palmar Arch

The radial artery becomes this at the palm, joining with the ulnar artery.

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Radius Bone Surfaces

The lower end of the radius bone has five surfaces: inferior, medial, lateral, anterior, and posterior. Each surface has specific features and articulations.

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Radius Inferior Surface

The inferior surface of the radius bone has two parts: the lateral triangular portion and the medial quadrangular portion. These parts articulate with the scaphoid and lunate bones, respectively, forming the wrist joint.

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Ulnar Notch of the Radius

The ulnar notch of the radius is located on the medial surface. It articulates with the head of the ulna, forming the radioulnar joint.

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Bones of the Hand

The bones of the hand are arranged in three groups: the carpus (wrist), metacarpus (palm), and phalanges (fingers).

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Carpal Bones

The carpus is made of 8 carpal bones arranged in two rows: proximal and distal. The proximal row includes the scaphoid, lunate, triquetrum, and pisiform. The distal row consists of the trapezium, trapezoid, capitate, and hamate.

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Study Notes

Radial Artery

  • Beginning: One of the two terminal branches of the brachial artery, opposite to the neck of radius.
  • Course: It descends in forearm. Radial artery reaches the anatomical snuff box, where it lies on the scaphoid bone.
  • End: At the palm of the hand. Pulsation can be felt. It continues deep palmar arch.
  • Branches:
    • Muscular branches
    • Radial recurrent artery

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