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42 Cards in this Set
- Front
- Back
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Axial Skeleton |
-Central supporting axis of body -Includes skull, vertebral column, and thoracic cage |
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Appendicular Skeleton |
-Upper limbs and pectoral girdle -Lower limbs and pelvic girdle |
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How many bones do we have at birth? |
-About 270 |
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How many bones do adults have |
-Approximately 206 bones |
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Why do we have less bones as adults? |
-Some bones fuse as we age |
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Sesamoid Bones |
-Form within tendons due to stress |
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Sutural bones |
-Extra bones of the skull -Not found in everyone |
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Areas of the Axial Skeleton (5) |
-Skull -Auditory Ossicles -Hyoid Bone -Vertebral Column -Thoracic Cage |
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Skull (8 Bones, 6 names, part 1) |
Cranial Bones: -Frontal Bone (1) -Parietal bone (2) -Occipital bone (1) -Temporal bone (2) -Sphenoid bone (1) -Ethmoid bone (1) |
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Skull (14 Bones, 8 names, part 2) |
Facial Bones: -Maxilla (2) -Palatine Bone (2) -Zygomatic Bone (2) -Lacrimal Bone (2) -Nasal Bone (2) -Vomer (1) -Inferior Nasal Concha (2) -Mandible (1) |
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Auditory Ossicles (6 bones, 3 names) |
-Malleus (2) -Incus (2) -Stapes (2) |
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Hyoid Bone (1 Bone) |
-Hyoid Bone (1) |
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Vertebral Column (26 bones,5 names) |
-Cervical Vertebrae (7) -Thoracic Vertebrae (12) -Lumbar Vertebrae (5) -Sacrum (1) -Coccyx (1) |
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Thoracic Cage (25 bones plus 1, three names) |
-Ribs (24) -Sternum -Thoracic Vertebrae |
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Areas of Appendicular Skeleton (4)
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-Pectoral Girdle -Upper Limbs -Hip Bone -Lower Limbs |
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Pectoral Girdle (4 bones, 2 names) |
-Scapula (2) -Clavicle (2) |
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Upper Limbs (60 bones, 6 names) |
-Humerus (2) -Radius (2) -Ulna (2) -Carpals (16) -Metacarpals (10) -Phalanges (28) |
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Hip Bones (2 bones) |
-Hip bones (2)
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Lower Limbs (60 bones, 7 names) |
-Femur (2) -Patela (2) -Tibia (2) -Fibula (2) -Tarsals (14) -Metatarsals (10) -Phalanges (28) |
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Canal |
-A tubular passage -A tunnel in a bone Example: Auditory canal of skull |
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Condyle |
-A rounded knob Example: Occipital condyles of the skull |
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Crest |
-A narrow ridge Example: iliac crest of the pelvis |
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Epicondyle |
-A flare superior to a condyle Example: Medial epicondyle of the femur |
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Facet |
-A smooth joint surface that is flat or only slightly concave or convex Example: Articular facets of the vertebrae |
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Fissure |
-A slit through a bone Example: Orbital fissures behind the eye |
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Foramen |
-A hole through a bone, usually round Example: Foramen magnum of the skull |
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Fossa |
- A shallow, broad, or elongated basin Example: Infraspinous fossa of the scapula |
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Line |
-A raised, elongated ridge Example: Nuchal lines of the skull |
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Meatus |
-A canal Example: External acoustic meatus of the temporal bone |
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Process |
-Any bony prominence Example: Mastoid process of the skull |
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Protuberance |
-A bony outgrowth or protruding part Example: Mental protuberance of the chin |
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Sinus |
-A cavity within a bone Example: Frontal sinus of the skull |
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Spine |
-A sharp, slender, or narrow process Example: Spine of the scapula |
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Sulcus |
-A groove for a tendon, nerve, or blood vessel Example: Intertubercular sulcus of the humerus |
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Tubercle |
-A small, rounded process Example: Greater tubercle of the humerus |
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Tuberosity |
-A rough surface Example: Tibial tuberosity |
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4 Regions of Cranial Bones |
-Frontal
-Temporal -Parietal -Occipital |
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Frontal Region of Skull |
-1 Bone -Edged by: Coronal Suture and Frontal Sinus |
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Parietal Region of Skull |
-2 bones -Edged by: Sagittal Suture, Coronal Suture, Lambdoid Suture, and Squamos Suture |
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Temporal Region of Skull |
-2 bones -Edged by: Squamos Suture -Contains 4 regions: Squamos, Tympanic, Mastoid, and Petrous parts |
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Occipital Region of Skull |
-1 bone -Edged by: Lambdoid suture, Foramen magnum, and Occipital condyles |
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