Cubital (other)
Cubital relates to the cubit or ulna and may refer to: *Cubital fossa, the triangular area on the anterior view of the elbow joint of the arm *Cubital index, the ratio of two of the wing vein segments of honeybees *Cubital tunnel, channel which allows the Ulnar nerve (commonly known as the "funny bone") to travel over the elbow *Median cubital vein In human anatomy, the median cubital vein (or median basilic vein) is a superficial vein of the arm on the anterior aspect of the elbow. It classically shunts blood from the cephalic to the basilic vein at the roof of the cubital fossa. It is ty ...

Cubit
The cubit is an ancient unit of length based on the distance from the elbow to the tip of the middle finger. It was primarily associated with the Sumerians, Egyptians, and Israelites. The term ''cubit'' is found in the Bible regarding Noah's Ark, the Ark of the Covenant, the Tabernacle, and Solomon's Temple. The ''common cubit'' was divided into 6 palm (unit), palms × 4 Finger (unit), fingers = 24 digit (unit), digits. ''Royal cubits'' added a palm for 7 palms × 4 fingers = 28 digits. These lengths typically ranged from , with an ancient Roman cubit being as long as . Cubits of various lengths were employed in many parts of the world in ancient history, antiquity, during the Middle Ages and as recently as Early modern Europe, early modern times. The term is still used in hedgelaying, the length of the forearm being frequently used to determine the interval between stakes placed within the hedge. Etymology The English word "cubit" comes from the Latin language, Latin noun ...
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Ulna
The ulna or ulnar bone (: ulnae or ulnas) is a long bone in the forearm stretching from the elbow to the wrist. It is on the same side of the forearm as the little finger, running parallel to the Radius (bone), radius, the forearm's other long bone. Longer and thinner than the radius, the ulna is considered to be the smaller long bone of the lower arm. The corresponding bone in the Human leg#Structure, lower leg is the fibula. Structure The ulna is a long bone found in the forearm that stretches from the elbow to the wrist, and when in standard anatomical position, is found on the Medial (anatomy), medial side of the forearm. It is broader close to the elbow, and narrows as it approaches the wrist. Close to the elbow, the ulna has a bony Process (anatomy), process, the olecranon process, a hook-like structure that fits into the olecranon fossa of the humerus. This prevents hyperextension and forms a hinge joint with the trochlea of the humerus. There is also a radial notch for ...
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Cubital Fossa
The cubital fossa, antecubital fossa, chelidon, inside of elbow, or, humorously, wagina, is the area on the anterior side of the upper part between the arm and forearm of a human or other hominid animals. It lies anteriorly to the elbow (antecubital) (Latin ) when in standard anatomical position. The cubital fossa is a triangular area having three borders. Boundaries * superior (proximal) boundary – an imaginary horizontal line connecting the medial epicondyle of the humerus to the lateral epicondyle of the humerus * medial (ulnar) boundary – lateral border of pronator teres muscle originating from the medial epicondyle of the humerus. * lateral (radial) boundary – medial border of brachioradialis muscle originating from the lateral supraepicondylar ridge of the humerus. * apex – it is directed inferiorly, and is formed by the meeting point of the lateral and medial boundaries * superficial boundary (roof) – skin, superficial fascia containing the median cubital vein, ...
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Cubital Index
Cubital index is the ratio of two of the wing vein segments of honeybees. The cubital index is used in morphology, the study of form and structure, one way to differentiate species and sub species of living organisms. The pattern of the veins of the fore wings is specific for each breed of bees. The cubital index is consistent for a given race of bee. It can be used to distinguish between similar populations of honeybees and to determine degrees of hybridization. Procedure To obtain reliable average results, at least 100 bee fore wings have to be analyzed. Measurements are taken under a dissecting microscope with a magnification of 10x to 20x. See also *Beekeeping *Western honeybee The western honey bee or European honey bee (''Apis mellifera'') is the most common of the 7–12 species of honey bees worldwide. The genus name ''Apis'' is Latin for 'bee', and ''mellifera'' is the Latin for 'honey-bearing' or 'honey-carrying', ... References Comparative anatomy Beek ...
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Cubital Tunnel
The cubital tunnel is a space of the dorsal medial elbow which allows passage of the ulnar nerve around the elbow. Persistent compression of the ulnar nerve in the cubital tunnel is known as cubital tunnel syndrome. Structure The cubital tunnel is bordered medially by the medial epicondyle of the humerus, laterally by the olecranon process of the ulna and the tendinous arch joining the humeral and ulnar heads of the flexor carpi ulnaris. The roof of the cubital tunnel is elastic and formed by a myofascial trilaminar retinaculum (also known as the epicondyloolecranon ligament or Osborne band). In 14% of individuals, the roof of this tunnel is covered by the epitrochleoanconeus muscle, an accessory muscle. Clinical significance Chronic compression of the ulnar nerve in the cubital tunnel is known as cubital tunnel syndrome. There are several sites of possible compression, traction or friction of the ulnar nerve as it courses behind the elbow. It may also be caused by repetiti ...
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