| navicular | 1. Of, pertaining to, or resembling, a boat or ship. 2. Shaped like a boat; cymbiform; scaphoid; as, the navicular glumes of most grasses; the navicular bone. Navicular bone. <anatomy> A disease affecting the navicular bone, or the adjacent parts, in a horse's foot. Origin: L. Navicularius, fr. Navicula, dim. Of navis ship: cf. F. Naviculaire. <anatomy> The navicular bone. Source: Websters Dictionary (01 Mar 1998) |
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| navicular abdomen | A condition in which the anterior abdominal wall is sunken and presents a concave rather than a convex contour. Synonym: boat-shaped abdomen, navicular abdomen. (05 Mar 2000) |
| navicular articular surface of talus | The large convex surface on the head of the talus for articulation with the navicular bone. Synonym: facies articularis navicularis tali. (05 Mar 2000) |
| navicular bone | A bone of the tarsus on the medial side of the foot articulating with the head of the talus, the three cuneiform bones, and occasionally the cuboid. Synonym: os naviculare, central bone of ankle, os centrale tarsi. (05 Mar 2000) |
| navicular bone of hand | The largest bone of the proximal row of the carpus on the lateral (radial) side, articulating with the radius, lunate, capitate, trapezium, and trapezoid. Synonym: os scaphoideum, navicular bone of hand, os naviculare manus. (05 Mar 2000) |
| navicular disease | A common cause of lameness in horses, especially light racing animals; it is essentially a chronic osteitis of the navicular bone associated with bursitis and inflammation of the plantar aponeurosis; occurs most frequently in the forefeet and is believed to be due to damage from frequent and severe strain. Synonym: navicularthritis. (05 Mar 2000) |
| navicular fossa of urethra | The terminal dilated portion of the urethra in the glans penis. Synonym: fossa navicularis urethrae, fossa terminalis urethrae, Morgagni's fossa, Morgagni's fovea. (05 Mar 2000) |
| navicular fracture | <orthopaedics> A fracture of the scaphoid (navicular) bone in the wrist. The most common method of injury is a fall on an outstretched hand in an adult. In children, this same type of fall more commonly results in a Colles fracture. (27 Sep 1997) |
| navicularthritis | Synonym: navicular disease. Origin: navicular + arthritis (05 Mar 2000) |
| valve of navicular fossa | A fold of mucous membrane sometimes found in the root of the navicular fossa of the urethra. Synonym: valvula fossae navicularis, Guerin's fold, Guerin's valve. (05 Mar 2000) |
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| tuberosity of navicular bone | A rounded eminence on the medial surface of the navicular bone, giving attachment to a part of the tendon of the tibialis posterior muscle. Synonym: tuberositas ossis navicularis, scaphoid tuberosity. (05 Mar 2000) |