Cubital fossa
Cubital Fossa
The Cubital Fossa (pronounced: kyo͞oˈbitl ˈfäsə) is a triangular area on the anterior view of the elbow of a human body.
Etymology
The term "Cubital Fossa" is derived from the Latin words "cubitum" meaning elbow, and "fossa" meaning ditch or trench.
Anatomy
The Cubital Fossa is bordered by the Brachioradialis muscle laterally and the Pronator Teres muscle medially. The base is formed by an imaginary line between the epicondyles of the Humerus. The floor is formed by the Brachialis and Supinator muscles. The roof consists of skin, fascia and the bicipital aponeurosis.
Contents
The contents of the Cubital Fossa from medial to lateral are: the Median Nerve, Brachial Artery, and the Tendon of the Biceps Brachii. The Radial Nerve and Ulnar Nerve do not pass through the cubital fossa, but run immediately posterior to it.
Clinical Significance
The Cubital Fossa is clinically significant as it is often used as a site for venepuncture (taking blood) and for the palpation of the Brachial Pulse. It is also the area where the Median Nerve can be compressed to cause a Neuropathy.
Related Terms
- Brachioradialis
- Pronator Teres
- Humerus
- Brachialis
- Supinator
- Median Nerve
- Brachial Artery
- Tendon
- Biceps Brachii
- Radial Nerve
- Ulnar Nerve
- Brachial Pulse
- Neuropathy
External links
- Medical encyclopedia article on Cubital fossa
- Wikipedia's article - Cubital fossa
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