Term
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Definition
| skeletal joints, or movements at joints |
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Term
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Definition
| (fibrous joints) immovable, with fibrous connective tissue - all but one joint in the head |
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Term
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Definition
| (cartilaginous joints) yielding, with hyaline or fibrocartilage disks - like in vertebrae |
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Term
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Definition
| (synovial joints) freely movable with ligaments and cartilage |
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Term
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Definition
| synarthroses - join most skull bones - can grow together as a synostosis |
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Term
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Definition
| synarthrosis - tooth in a socket |
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Term
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Definition
| synarthrosis - ossicles in middle ear by interosseous ligaments |
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Term
| How many bones in the adult skeleton? (total) |
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Definition
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Term
| How many bones in appendicular skeleton? |
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Definition
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Term
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Definition
| where legs attach - some breathing muscles attach to the iliac crest at the top of the ilium |
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Term
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Definition
| supports the superior or anterior appendages (arms) - clavicle & scapula |
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Definition
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Term
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Definition
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Term
| Acromion process (acriomioclavicular joint) |
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Definition
| connects the shoulder to the clavicle |
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Term
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Definition
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Term
| How many bones in the axial skeleton? |
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Definition
| 80 (or more) - 8 cranial, 14 facial, 6 ossicles, 1 hyoid, 26 (or more) vertebrae, 24 ribs and 1 sternum |
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Term
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Definition
| anchors the tongue and supports the larynx |
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Term
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Definition
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Term
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Definition
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Term
| How many cervical vertebrae? |
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Definition
| 7 - in the neck, no rib attachments |
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Term
| How many thoracic vertebrae? |
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Definition
| 12 - ribs attach to these |
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Term
| How many lumbar vertebrae? |
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Definition
| 5 - lower back, large to support a lot of weight |
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Term
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Definition
| formed by fusion of 5 vertebrae - connects to pelvic girdle at sacroiliac joint |
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Term
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Definition
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Term
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Definition
| extends backward from vertebrae |
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Term
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Definition
| extends sideways from vertebrae |
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Term
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Definition
| main round part of vertebra |
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Term
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Definition
| tunnel through body which houses spinal cord |
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Term
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Definition
| a natural prolongation or projection from a part of an organism |
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Term
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Definition
| a natural opening or perforation through a bone |
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Term
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Definition
| space between vertebrae where spinal nerves enter and leave |
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Term
| Thoracic and sacral curvatures are (primary/secondary)? |
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Definition
| Primary - they don't change shape from birth |
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Term
| Cervical and lumbar curvatures are (primary/secondary?) |
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Definition
| Secondary - cervical develops when baby holds head up, lumbar develops when baby stands up |
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Term
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Definition
| too much sideways curvature of the spine |
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Term
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Definition
| humpback - too much curvature in the thoracic spine (mid-back) |
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Term
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Definition
| swayback - an abnormal inward (forward) curvature of the vertebral column |
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Term
| How many pairs of ribs are true ribs? |
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Definition
| 7 - connect directly to sternum |
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Term
| How many pairs of ribs are false ribs? |
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Definition
| 3 - cartilage connects to rib above it |
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Term
| How many pairs of ribs are floating ribs? |
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Definition
| 2 - no connection to sternum, protect kidneys |
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Term
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Definition
| the flat bone that articulates with the clavicles and the first seven pairs of ribs (breastbone) |
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Term
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Definition
| at top of sternum, forms sternoclavicular joint where first rib attaches |
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Term
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Definition
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Definition
| point at bottom of sternum where breathing muscles attach |
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Definition
| located in sternum for costal cartilage - 7 pairs |
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Term
| How many bones of the skull? |
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Definition
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Term
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Definition
| in direct contact with the brain, joined by sutures (synarthroses) |
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Term
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Definition
| includes the eye sockets - comes down to bridge of the nose and back to the coronal suture (was 2 separate bones until age 6) |
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Term
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Definition
| posterior to coronal suture, on top of head - separated by the saggital suture |
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Term
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Definition
| in the back of the head, posterior to parietal bones - continues down to base of head to include the foramen magnum & process which articulate with the atlas |
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Term
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Definition
| the large opening at the base of the cranium through which the spinal cord passes |
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Term
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Definition
| lateral, below the parietals - separated from parietals by squamosal suture - has mastoid, styloid, zygomatic and tympanic processes |
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Term
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Definition
| shaped liked a bat - forms the base of the cranium in the front - inferior to frontal bone |
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Term
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Definition
| forms the back part of the nasal cavity - extends back into brain case - contains turbinates (conchae) |
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Term
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Definition
| process of the temporal bone behind the ear at the base of the skull |
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Term
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Definition
| a pointed piece of bone that extends down from the human skull, just below the ear |
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Term
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Definition
| a slender process of the temporal bone that strengthens the zygomatic arch |
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Term
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Definition
| forms the ridge which houses the inner ear |
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Term
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Definition
| separates the frontal bone from the two parietals |
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Term
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Definition
| separates the parietals from each other |
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Term
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Definition
| separates the parietals from the occipital |
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Term
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Definition
| separate the parietals from the occipital |
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Term
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Definition
| make the skull lighter - they are the resonating chambers for the voice |
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Term
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Definition
| in frontal bone in vicinity of eyebrows |
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Term
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Definition
| vary in size from person to person |
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Term
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Definition
| drain sideways so are most likely to get infected and can cause a toothache since they are so close to the roots of upper molars |
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Term
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Definition
| located behind the bridge of the nose, between the eyes |
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Term
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Definition
| the lower jaw - articulation is at the temporomandibular joint (TMJ) at the condylar process - has alveolar processes (tooth sockets) |
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Term
| Temporomandibular joint (TMJ) |
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Definition
| the joint between the head of the lower jawbone and the temporal bone |
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Term
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Definition
| the condyle of the ramus of the mandible that articulates with the skull |
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Term
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Definition
| ridge that forms the borders of the upper and lower jaws and contains the sockets of the teeth |
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Term
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Definition
| in the mandible, in front of the condylar process - insertion for the temporalis muscle (a white muscle which can respond more quickly than red muscle and thus is used for rapid mouth closing) |
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Term
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Definition
| makes the square of the jaw - the insertion for the masseter ad the medial pterygoid (masseter comes down outside and medial pterygoid comes down inside to insert at the lower ridge to pull up and close the mouth) - the condylar and coronid process are on the ramus |
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Term
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Definition
| the strongest mouth closing muscle and originates at the temporal bone |
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Term
| Zygomatic bones (2) (& zygomatic processes of the temporal bone and the maxilla) |
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Definition
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Term
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Definition
| the upper jaw - has alveolar processes and palantine processes |
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Term
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Definition
| shelves pushed upward by the growing tongue - form the front 2/3 of the hard palate - cleft palate results is the palantine processes fail to grow together |
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Term
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Definition
| fuses separately from the palantine processes - the 4 front teeth are attached to alveloar processes in the premaxillary segment - if it fails to fuse with the palantine processes, cleft lip results |
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Term
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Definition
| have horizontal and vertical processes - behind the palatine processes of the maxillae - hoizontal process forms the back part of the hard palate - extends farther back in center where the velum attaches |
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Term
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Definition
| formed by the fusion of 4 bones (two palantine, two maxilla) |
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Term
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Definition
| above the level of the palantine bones and forms the lower part of the nasal septum |
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Term
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Definition
| nothing but concha/turbinates (other conchae are ethmoid processes) |
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Term
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Definition
| form the bridge of the nose |
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Term
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Definition
| mainly formed by the vomer, the inferior nasal conchae, and the ethmoid bones |
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Term
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Definition
| form the inside corners of the eyes (where the tear ducts would be) |
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Term
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Definition
| extends from the inside corner of the eye into the nasal cavity - moisture from the lacrimal gland drains into the nasal cavity through this duct |
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