antecubital fossa


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Related to antecubital fossa: cephalic vein, brachial artery

antecubital fossa

Etymology: L, ante, before, cubitum, elbow, fossa, ditch
a depression at the bend of the elbow.

antecubital fossa

The triangular region in the forearm on the anterior (flexor) surface of the elbow. Bounded laterally by the brachioradialis muscle and medially by the pronator teres muscle, the fossa contains the tendon of the biceps brachialis muscle and the brachial artery. Two large superficial veins, the cephalic and its branch, the median cubital, are common sites for blood drawing. Synonym: cubital fossa
See also: fossa
References in periodicals archive ?
A 40-year-old white woman came to the emergency department with a history of illicit drug use 3 days earlier by way of subcutaneous injection into the dorsum of the left hand, the left antecubital fossa, the right volar forearm, and both feet.
The antecubital fossa has three muscular borders: 1) the mobile wad, laterally, consisting of the extensor carpi radialis brevis (ECRB); the extensor carpi radialis longus (ECRL), and the brachioradialis; 2) the pronator teres, medially; and the biceps, superiorly.
Two 16-gauge intravenous catheters were inserted at this time in the antecubital fossa.
Two hundred sixty-six patients received a placebo and 269 patients received ALGRX 3268 one to three minutes before undergoing medical procedures requiring venipuncture or intravenous line placement at the back of hand or antecubital fossa.
Dermal PowderJect Lidocaine and sham administrations were made in a randomized manner to the back of both hands and the antecubital fossa (inside elbow) of both arms.