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| the skeleton of the trunk and head |
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| the bones of the limbs and supporting thoracic (pectoral) and pelvic girdles |
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| The three small bones of the middle ear that help carry sound from the eardrum to the inner ear |
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| the bones of the skull, particularly the part of the cranium that encloses the brain |
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| the bones of the face, which include the frontal, nasal, maxillary, zygomatic, and mandibular bones |
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| the lines of junction between the bones of the skull |
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| mucosa-lined air cavities in bones of the skull, communicating with the nasal cavity and including ethmoidal, frontal, maxillary, and sphenoidal sinuses |
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| the partition between the two nasal cavities |
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| the anterior portion of the palate, separating the oral and nasal cavities, consisting of the bony framework and covering membranes |
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| One of several "soft spots" on the skull where the developing bones of the skull have yet to fuse |
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| the two skull bones located between the frontal and occipital bones and which form the top and sides of the cranium; fused bones that form posterior part of hard palate |
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| either of the two irregular bones forming part of the lateral surfaces and base of the skull, and containing the organs of hearing |
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| a single bone that closes the anterior part of the cranial cavity and forms the skeleton of the forehead |
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| a single trapezoid-shaped bone at the posterior inferior part of the cranium, articulating with the two parietal and two temporal bones, the sphenoid bone, and the atlas |
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Definition
| a single irregular, wedge-shaped bone at the base of the skull, forming part of the floor of the anterior, middle, and posterior cranial fossae |
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| the cubical bone located between the orbits and consisting of the lamina cribrosa, the lamina perpendicularis, and the paired lateral masses |
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Definition
| joins frontal and parietal bones |
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| joins both parietal bones with occipital bone |
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| join temporal and parietal bones |
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| portion of orbit of eyes near nasal bones |
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| forms lateral walls of nasal cavity |
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| inferior portion of nasal septum |
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| narrow slit or cleft in a bone (function: opening ofr blood vessels and nerves) |
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| opening or hote (function: opening for blood vessels and nerves) |
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| shallow depression (function: muscle attachment or articulation (joint)) |
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| tube-like passageway or opening (function: passageway or canal for blood vessels and nerves) |
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| smooth, rounded articular process (function: articulation) |
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| a small branch (function: articulation) |
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| pointed process (function: articulation) |
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| a horseshoe-shaped bone at the base of the tongue, just superior to the thyroid cartilage |
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| flexible struction that can be bent, twisted and roated |
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| Relating to a neck or a cervix |
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| the triangular bone just below the lumbar vertebrae, formed usually by five fused vertebrae and lodged dorsally between the hip bones |
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| The small triangular bone located at the base of the spinal column, formed by the fusion of four rudimentary vertebrae, and articulating above with the sacrum; tailbone |
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| the first cervical vertebra |
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| a line through the center of a body, or about which a structure revolves; the second cervical vertebra |
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Definition
| superior tooh-like protuberance |
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| small, toothlike, upward projection from the second vertebra of the neck around which the first vertebra rotates |
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| seventh cervical vertebra; existence of a long and prominent spinous process which is palpable from the skin surface |
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| are those vertebrae immediately behind (caudal to) the skull. |
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| the foramen (opening) formed by the anterior segment (the body), and the posterior part, the vertebral arch. |
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| allow passage of the vertebral arteries, veins, and sympathetic nerves to and from the brain |
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| a medium-sized body and usually a long, narrow spinous process the commonly slants inferiorly at a sharp angle |
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| the largest segments of the movable part of the vertebral column, and are characterized by the absence of the foramen transversarium within the transverse process, and by the absence of facets on the sides of the body |
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Definition
| lie between adjacent vertebrae in the spine. Each disc forms a cartilaginous joint to allow slight movement of the vertebrae, and acts as a ligament to hold the vertebrae together |
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| the outer portion of the disc |
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| the soft and puply inner portion of the disc |
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Definition
| Between every pair of vertebræ are two apertures that allow for the passage of the spinal nerve root, dorsal root ganglion, the spinal artery of the segmental artery, communicating veins between the internal and external plexuses, recurrent meningeal (sinu-vertebral) nerves, and transforaminal ligaments |
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Definition
| the broad superior portion of the sacrum |
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Definition
| two lateral wing-like projections of the sacrum |
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| a continuation of the bertebral canal |
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Definition
| The laminae of the fifth sacral vertebra, and sometimes those of the fourth, fail to meet behind, and thus a sacral hiatus occurs in the posterior wall of the sacral canal |
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| Superior articular process |
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Definition
| two superior and two inferior, spring from the junctions of the pedicles and laminæ |
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| the vertebral column bends laterally |
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| exaggerated thoracic curve that results in a hunched back with rounded shoulders |
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| an exaggeraged lumbar curve that appears as a swaybach with the abdomen protruding anteriorly |
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| the bony cage that encicles the chest |
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| a narrow flat bone that is composed of three fused bones: the manubrium, the body of the sternum, and the xiphoid process |
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| the superior portion of the sternum |
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| Suprasternal (jugular) notch |
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| a concave superior surface of the manubrium |
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| an important clinical landmark indicating the attachment of the second rib |
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Definition
| the inferior portion of the sternum that is shaped like a small sword |
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| True (vertebrosternal) ribs |
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Definition
| the 12 pairs of ribs in both males and fales that are directly attached to the sternum |
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| rib pairs 8 through 10 that are not directly attached to the sternum but attached to the costal carilage of the seventh rib |
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| Floating (vertebral) ribs |
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Definition
| do not have any attachment to the sternum or carilage |
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| The main part of the rib that projects from the posterior part of the rib |
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| the constricted part of the rib lateral to the head |
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| a small, knob-like projection close to the neck that articulates with the facet of a transverse process |
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