| sagittal synostosis | <anatomy> A deformed condition of the skull, in which the vault is narrow, clongated, and more or less boat-shaped. Origin: Gr. A boat + head. Source: Websters Dictionary (01 Mar 1998) |
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| synostosis | Same as Synosteosis. Source: Websters Dictionary (01 Mar 1998) |
| tribasilar synostosis | Fusion in early life of the three bones at the base of the skull, resulting in interference with the development of the brain. (05 Mar 2000) |
| sutura | Synonym: suture. Origin: L. A sewing, a suture, fr. Suo, pp. Sutus, to sew (05 Mar 2000) |
| sutura coronalis | The line of junction of the frontal with the two parietal bones of the skull. Synonym: sutura coronalis. (05 Mar 2000) |
| sutura ethmoidolacrimalis | The line of union of the orbital plate of the ethmoid and the posterior margin of the lacrimal bone. Synonym: sutura ethmoidolacrimalis. (05 Mar 2000) |
| sutura ethmoidomaxillaris | Line of apposition of the orbital surface of the body of the maxilla with the orbital plate of the ethmoid bone. Synonym: sutura ethmoidomaxillaris. (05 Mar 2000) |
| sutura frontalis | The suture between the two halves of the frontal bone, usually obliterated by about the sixth year; if persistent it is called a metropic suture. Synonym: sutura frontalis. (05 Mar 2000) |
| sutura frontoethmoidalis | Line of union between the cribriform plate of the ethmoid and the orbital plate and posterior margin of the nasal process of the frontal bone. Synonym: sutura frontoethmoidalis. (05 Mar 2000) |
| sutura frontolacrimalis | Line of union between the upper margin of the lacrimal and the orbital plate of the frontal bone. Synonym: sutura frontolacrimalis. (05 Mar 2000) |
| sutura frontomaxillaris | Articulation of the frontal process of the maxilla with the frontal bone. Synonym: sutura frontomaxillaris. (05 Mar 2000) |
| sutura frontonasalis | Line of union of the frontal and of the two nasal bones. Synonym: sutura frontonasalis, sutura nasofrontalis. (05 Mar 2000) |
| sutura frontozygomatica | Line of union between the zygomatic process of the frontal and the frontal process of the zygomatic bone. Synonym: sutura frontozygomatica, sutura zygomaticofrontalis. (05 Mar 2000) |
| sutura incisiva | Line of union of the two portions of the maxilla (pre-and postmaxilla); it is present at birth but may persist into old age. Synonym: sutura incisiva, premaxillary suture. (05 Mar 2000) |
| sutura infraorbitalis | An inconstant suture running from the infraorbital foramen to the infraorbital groove. Synonym: sutura infraorbitalis. (05 Mar 2000) |