The cubital fossa or elbow pit is the triangular area on the anterior view of the elbow of a human or other hominid animal. It lies anteriorly to the elbow (Latin cubitus) when in standard anatomical position.Superficial veins of the upper limb.Front of right upper extremity.Front of right upper extremity, showing surface markings for bones, arteries, and nerves. The cubital fossa or elbow pit is the triangular area on the anterior view of the elbow of a human or other hominid animal. It lies anteriorly to the elbow (Latin cubitus) when in standard anatomical position.