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Skeletal system
| Term | Definition |
|---|---|
| Aperture | Opening or orifice in the bone |
| Arch | Prominent bridgelike bony structure |
| Articulation | Area where the bones are joined to each other |
| Bones | Mineralized structures of the body that protect internal soft tissues and serve as a biomechanical basis for movement |
| Canal | Opening in bone that is long, narrow, and tubelike |
| Condyle | Oval bony prominence typically located at articulations |
| Conru | Small hornlike prominence |
| Crest | Roughened border or ridge on the bone surface |
| Eminence | Tubercle or rounded elevation on a bony surface |
| Fissure | Opening in bone that is narrow and cleft-like |
| Foramen/foramina | Short, window-like opening in bone |
| Fossa/fossae | Depression on a bony surface |
| Head | Rounded surface projecting from a bone by a neck |
| Incisura | Indentation or notch at the edge of the bone |
| Joint | Site of a junction or union between two or more bones |
| Line | Straight, small ridge of bone |
| Meatus | Opening or canal in the bone |
| Notch | Indentation at the edge of a bone |
| Ostium/ostia | Small opening in bone |
| Perforation | Abnormal hole in a hollow organ, such as in the wall of a sinus |
| Plate | Flat structure of bone |
| Primary sinusitis | Inflammation of the sinus |
| Process | General term for any prominence on a bony surface |
| Secondary sinusitis | Inflammation of the sinus related to another source |
| Spine | Abrupt, small prominence of bone |
| Sulcus/sulci | Shallow depression or groove such as that on a bony structure |
| Suture | Generally immovable articulation in which bones are joined by fibrous tissue |
| Tubercle | Eminence or small, rounded elevation on the bony surface |
| Tuberosity | Large, often rough prominence on the surface of bone |