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AP Ch 2 Flashcards

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5993143699Compact bonedense, smooth, homogeneous0
5993143700Spongy bonesmall, needle-like pieces of bone-many open spaces1
5993143701Bone classificationlong, short, flat, irregular2
5993143702Flat bones1) thin, flattened, and usually curved 2) two thin layers of compact bone surround a layer of spongy bone3
5993143703Irregular bones1) irregular shape 2) do not fit into other bone classification categories4
5993143704Tuberositylarge, rounded, projection; may be roughened5
5993143705Crestnarrow ridge of bone; usually prominent6
5993143706Trochantervery large, blunt, irregularly shaped process (the only examples are on the femur)7
5993143707Linenarrow ridge of bone; less prominent than a crest8
5993143708Tuberclesmall, rounded projection or process9
5993143709Epicondyleraised area on or above a condyle10
5993143710Spinesharp, slender, often pointed projection11
5993143711Processany bony prominence12
5993143712Headbony expansion carried on a narrow neck13
5993143713Facetsmooth, nearly flat articular surface14
5993143714Condylerounded articular projection15
5993143715Ramusarmlike bar of bone16
5993143717Canala duct or channel17
5993143718Meatusa passageway through a bone18
5993143719Fissurean elongated cleft or slit19
5993143720Sinusa chamber within a bone, normally filled with air20
5993143721Groovefurrow21
5993143722Notchindentation at the edge of a structure22
5993143723Fossashallow, basinlike depression in a bone, often serving as an articular surface23
5993143724Cranium bonesform the cranium that protect the brain24
5993143725Frontal boneforms the forehead and the roof of the eye orbit, also contains frontal sinus25
5993143726Occipital boneforms the posterior part of the skull and much of the base26
5993143727Ethmoid boneanterior to the sphenoid, forms part of the cranial floor27
5993143728Sphenoid boneforms part of the floor of the cranium28
5993143729Parietal boneforms the roof of the cranium29
5993143730Temporal boneform the lower wall and lower part of the floor of the cranial cavity30
5993143731Coronal suture31
5993143732Nasal bone32
5993143733Lacrimal bone33
5993143734Maxilla34
5993143735Mandiblehouses the lower teeth and provides support for facial and chewing muscles35
5993143736Alveolar process36
5993143737Vomerforms the inferior portion of the nasal septum37
5993143738Inferior nasal conchaeextends into the inferior nasal cavity38
5993143739Middle nasal concha of the ethmoid bone39
5993143740Optic canal40
5993143741Superior orbital fissure41
5993143742Lambdoid suture42
5993143743Squamous suture43
5993143744Zygomatic process44
5993143745External acoustic meatus45
5993143746Mastoid process46
5993143747Styloid process47
5993143748Mandibular ramus48
5993143749Mental foramen49
5993143750Maxilla (palatine process)50
5993143751Palatine bone51
5993143752Mandibular fossa52
5993143753Foramen magnum53
5993143754Occipital condyle54
5993143755Jugular foramen55
5993143756Carotid canal56
5993143757Foramen ovale57
5993143758Sphenoid bone (greater wing)58
5993143759Sagittal suture59
5993143760Internal acoustic meatus60
5993143761Sella turcica61
5993143762Crista galli62
5993143763Cribriform plate63
5993143764Foramen rotundum64
5993143765Foramen spinosum65
5993143766Maxillae bonesforms the anterior central portion of the face, part of the eye orbit, most of the hard palate, and floor of the nasal cavity. They form the upper jaw and hold the teeth66
5993143767Palatine bonesforms the posterior portion of the hard palate67
5993143768Zygomatic bonesforms the lateral portion of the cheek, the lateral wall of the eye orbit, and part of the zygomatic arch68
5993143769Lacrimal bonesforms part of the medial wall of the orbit and contain the lacrimal fossa69
5993143770Nasal bonesis the bridge of the nose and is formed by small nasal bones70
5993143771Condylar process71
5993143772Mandibular foramen72
5993143773Coronoid process73
5993143774Mandibular notch74
5993143775Mental protuberance75
5993143776Auditory Ossiclesa tiny malleus, incus, and stapes are middle ear bones buried deep in the temporal bone76
5993143777Hyoid bonedoes not articulate with other bones but is a sling for attachment of muscles related to swallowing and speech77
5993143778Body (centrum)the weight-bearing portion of the vertebra that consists of spongy bone covered with compact bone78
5993143779Vertebral foramena large opening near the body that provides a passageway for the spinal cord79
5993143780Vertebral archconsists of lamina that extends posteriorly and a pedicle that attaches to the body80
5993143781Spinous processsticks out posteriorly and downwards81
5993143782Transverse processextends laterally82
5993143783Superior and inferior processesmeet with the vertebrae above and below and form the joints between the vertebrae83
5993143784Intervertebral foramenthe hole between the pedicles is formed when two vertebrae are formed and it provides a passageway for spinal nerves84
5993143785Intervertebral discsconsist of a nucleus pulpous surrounded by the annulus fibrosis. They bind adjacent vertebrae, support weight, and absorb shock85
5993143786Atlas1st cervical vertebrae, holds up the head, articulates with occipital condyles, and allows for the specific "nodding yes" movement86
5993143787Axis2nd cervical vertebrae, has a projection up towards the atlas called the dens or odontoid process, and allows for the rotational "shaking head no" movement87
5993143788Thoracic vertebrae12, has heart-shaped body, has a long, slender spinous process that points inferiorly, and has costal facets that articulate with the ribs88
5993143789Lumbar vertebrae5, vertebral body is significantly larger, thicker, and more oval, has a massive, stumpy spinous process, and has a blade like transverse process89
5993143790Sacrum and Coccyxhas five fused vertebrae, protects organs in pelvic cavity, and has lateral articulations with pelvic girdle90
5993143791Thoracic cagemade of thoracic vertebrae, the ribs, and the sternum forming the walls of the thoracic cavity. 7 pairs of true ribs, 5 pairs of false ribs and 2 pairs of floating ribs.91
5993143792Sternumalso called the breastbone. made of the manubrium, sternum and xiphoid process.92
5993143793Head (ribs)is the point of origin of the rib on the vertebral column93
5993143794Shaft (ribs)is the flat part of the rib that curves anteriorly94
5993143795Neck (ribs)ribs 1-10 have this that connects the head to the tubercle95
5993143796Tubercle (ribs)is a prominent bump on the proximal part of ribs 1-10 that articulates with the transverse costal facet of the thoracic vertebrae96
5993143797Angle (ribs)ribs 2-10 have a sharp turn where they curve anteriorly and swing in toward the sternum97

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