| sphenoethmoidal suture | Line of union between the crest of the sphenoid bone and the perpendicular and cribriform plates of the ethmoid. Synonym: sutura sphenoethmoidalis. (05 Mar 2000) |
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| sphenofrontal suture | Line of union between the orbital plate of the frontal and the lesser wings of the sphenoid on either side. Synonym: sutura sphenofrontalis. (05 Mar 2000) |
| sphenomaxillary suture | An inconstant suture between the pterygoid process of the sphenoid bone and the body of the maxilla. Synonym: sutura sphenomaxillaris. (05 Mar 2000) |
| spheno-occipital suture | Cartilaginous union between the body of the sphenoid and the basilar portion of the occipital; it fuses by the twentieth year; incorrectly called spheno-occipital suture. Synonym: synchondrosis spheno-occipitalis, spheno-occipital joint, spheno-occipital suture. (05 Mar 2000) |
| spheno-orbital suture | Articulation between the orbital process of the palatine bone and the outer surface of the body of the sphenoid. Synonym: sutura spheno-orbitalis. (05 Mar 2000) |
| sphenoparietal suture | Line of union of the lower border of the parietal with the upper edge of the greater wing of the sphenoid. Synonym: sutura sphenoparietalis. (05 Mar 2000) |
| sphenosquamous suture | Articulation of the greater wing of the sphenoid with the squamous portion of the temporal bone. Synonym: sutura sphenosquamosa. (05 Mar 2000) |
| sphenovomerine suture | The line of union of the vaginal process of the sphenoid with the wing of the vomer. Synonym: sutura sphenovomeriana. (05 Mar 2000) |
| sphenozygomatic suture | Junction of the zygomatic bone and greater wing of the sphenoid. Synonym: sutura sphenozygomatica. (05 Mar 2000) |
| spiral suture | An uninterrupted series of stitches using one suture; the stitching is fastened at each end by a knot. Synonym: spiral suture, uninterrupted suture. (05 Mar 2000) |
| squamomastoid suture | Line of union of the squamous and petrous portions of the temporal bone during development; it sometimes persists in the region of the mastoid process. Synonym: sutura squamosomastoidea. (05 Mar 2000) |
| squamoparietal suture | The articulation of the parietal with the squamous portion of the temporal bone. Synonym: sutura squamosa. (05 Mar 2000) |
| squamous suture | A scalelike suture, one whose opposing margins are scalelike and overlapping. Synonym: sutura squamosa. (05 Mar 2000) |
| nasomaxillary suture | Line of union of the lateral margin of the nasal bone with the frontal process of the maxilla. Synonym: sutura nasomaxillaris. (05 Mar 2000) |
| nerve suture | Joining together, usually by suture, of the two parts of a divided nerve. Synonym: nerve suture, neurosuture. Origin: neuro-+ G. Rhaphe, suture (05 Mar 2000) |