| scaphoid fossa | A boat-shaped hollow. A longitudinal hollow on the posterior surface of the superior portion (root) of the medial pterygoid plate; it gives origin to the tensor veli palati muscle. Synonym: fossa scaphoidea ossis sphenoidalis, Cruveilhier's fossa, fossa navicularis Cruveilhier, scaphoid fossa of sphenoid bone. Synonym: scapha. (05 Mar 2000) |
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| scaphoid fossa of sphenoid bone | A boat-shaped hollow. A longitudinal hollow on the posterior surface of the superior portion (root) of the medial pterygoid plate; it gives origin to the tensor veli palati muscle. Synonym: fossa scaphoidea ossis sphenoidalis, Cruveilhier's fossa, fossa navicularis Cruveilhier, scaphoid fossa of sphenoid bone. Synonym: scapha. (05 Mar 2000) |
| rotary subluxation of scaphoid | <radiology> Scaphoid ring sign, Terry Thomas sign (scapho-lunate dissociation) (12 Dec 1998) |
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| scaphoid | <anatomy> Resembling a boat in form; boat-shaped. The scaphoid bone. Scaphoid bone One of the carpal bones, which articulates with the radius; the radiale. One of the tarsal bones; the navicular bone. See Navicular. Origin: Gr. A boat: cf. F. Scaphoide. Source: Websters Dictionary (01 Mar 1998) |
| scaphoid 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) |
| scaphoid bone | 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) |
| scaphoid fracture | 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) |
| scaphoid scapula | A scapula in which the vertebral border below the level of the spine presents concavity instead of the normal convexity; the Scaphoid type of scapula (Graves) is a scapula in which the vertebral border between the spine and the teres major process is either straight or tends toward concavity. (05 Mar 2000) |
| scaphoid tuberosity | 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) |
| tubercle of scaphoid bone | A projection at the inferior lateral angle of the scaphoid (navicular) bone; it can be felt at the root of the thumb. Synonym: tuberculum ossis scaphoidei. (05 Mar 2000) |
| acetabular fossa | A depressed area in the floor of the acetabulum superior to the acetabular notch. Synonym: fossa acetabuli. (05 Mar 2000) |
| amygdaloid fossa | The depression between the palatoglossal and palatopharyngeal arches occupied by the palatine tonsil. Synonym: fossa tonsillaris, amygdaloid fossa, sinus tonsillaris. (05 Mar 2000) |
| anconal fossa | A hollow on the dorsum of the distal end of the humerus, just above the trochlea, in which the olecranon process of the ulna rests when the elbow is extended. Synonym: fossa olecrani, anconal fossa. (05 Mar 2000) |
| anterior cranial fossa | The portion of the internal base of the skull, anterior to the sphenoidal ridges and limbus, in which the frontal lobes of the brain rest. Synonym: fossa cranii anterior, anterior cranial base. (05 Mar 2000) |
| articular fossa of temporal bone | A deep hollow in the squamous portion of the temporal bone at the root of the zygoma, in which rests the condyle of the mandible. Synonym: cavitas glenoidalis, fossa mandibularis, articular fossa of temporal bone, glenoid cavity, glenoid fossa, glenoid surface. (05 Mar 2000) |
| axillary fossa | <anatomy> The underarm area. (16 Dec 1997) |
| Bichat's fossa | Sphenomaxillary fossa, a small pyramidal space, housing the pterygopalatine ganglion, between the pterygoid process, the maxilla, and the palatine bone. Synonym: fossa pterygopalatina, Bichat's fossa, pterygomaxillary fossa, sphenomaxillary fossa. (05 Mar 2000) |