Relacionar Columnas Unit 2 Part 2: Axial SkeletonVersión en línea Information on the axial portion of the skeleton and its features por Abigail Scott 1 Axial Skeleton 2 Associated Bones of the Skull 3 Vertebral Column 4 Thoracic (Rib) Cage 5 Skull 8 Cranial Bones & 14 Facial Bones 6 Auditory Ossicles & Hyoid Bone 7 Cervical Vertebrae, 12 Thoracic Vertebrae, 5 Lumbar Vertebrae, Sacrum, Coccyx Sternum & 24 Ribs Composed of the Skull, Associated Bones of the Skull, Vertebral Column, Thoracic (Rib) Cage 1 Sutures 2 Cavities 3 Coronal Suture 4 Types of Sutures 5 Sagittal Suture 6 Lambdoid Suture 7 Nasal Cavity 8 Skull 9 Cranial Cavity 10 Squamous Suture 11 Orbital Cavities 12 Palatine Suture 13 Oral Cavity Contains the mouth; Created by the maxilla, palatine, & mandible bones Joint between parietal and temporal bones Joint between frontal and parietal bones Contains the eyes; Created by the frontal, sphenoid, ethmoid, zygomatic, maxilla, lacrimal, & palatine bones Joints between the bones of the skull Contains the brain; Created by frontal, parietal, temporal, occipital, ethmoid, & sphenoid bones Coronal, Sagittal, Squamous, Lambdoid, Palatine, Joint between 2 parietal bones Contains 8 Cranial Bones, 14 Facial Bones, & Associated Bones: 6 Auditory Ossicles & Hyoid Bone Joint between palatine bones Contains the nose; Created by the nasal, ethmoid, vomer, palatine, inferior nasal concha, & maxilla bones Joint between parietal and occipital bones A hollow space made by multiple bones; Cranial, Orbital, Nasal, & Oral 1 Ethmoid 2 Vomer 3 Maxilla 4 Neurocranium 5 Anatomic Divisions of the Skull 6 Occipital 7 Palatine 8 Zygomatic 9 Sphenoid 10 Nasal 11 Mandible 12 Inferior Nasal Conchae 13 Parietal 14 Face 15 Frontal 16 Lacrimal 17 Temporal Frontal (1), Parietal (2), Temporal (2), Occipital (1), Sphenoid (1), & Ethmoid (1) Paired; Medial wall of the orbit Paired; Upper jaw; Roof of oral cavity, floor and lateral walls of nasal cavity, and medial orbit Paired; Posterior roof of oral cavity (hard palate), small part of lateral nasal cavity, and medial wall of orbit Part of temple (lateral), part of base (inferior), back of eye Medial wall of orbit, roof and superior-lateral walls of nasal cavity, and superior nasal septum Paired; top and sides (lateral) of head (lateral/superior cranial cavity) Inferior nasal septum Lower jaw Paired; Inferior-lateral walls of nasal cavity Roof of nasal cavity Paired; Cheekbones (lateral orbit) Paired; Temple & ear (lateral), also base (inferior) Forehead (anterior cranial cavity), eyebrows (roof of the orbit) Neurocranium and Face Back of head and bottom of the skull (posterior/inferior cranium) Nasal (2), Lacrimal (2), Zygomatic (2), Maxilla (2), Mandible (1), Vomer (1), Palatine (2), Inferior Nasal Conchae (2) 1 Stapes 2 Hyoid 3 Ear Ossicles 4 Incus 5 Malleus 6 Bones of the Ear Ossicles 7 Associated Bones of the Skull Stirrup Located within the temporal bone, amplify sound slender, curved bone in the throat, does NOT articulate with any other bone – held in place by muscles & ligaments; Assists with swallowing Anvil Ear Ossicles & Hyoid Malleus, Incus, Stapes Hammer 1 Sacrum 2 Special Features of the Thoracic Vertebrae 3 Lumbar Vertebrae 4 Cervical Vertebrae 5 Anatomic Divisions of the Vertebral Column 6 Special Features of Cervical Vertebrae 7 Special Features of the Lumbar Vertebrae 8 Coccyx 9 Lordosis 10 Parts of the Sacrum 11 Kyphosis 12 Thoracic Vertebrae Vertebrae of the Neck Very thick bodies Lock together with inwardly facing superior & inferior processes for max support Thick process for attachment of back muscles Vertebrae of the lower back Leans poteriorly; Sacrum & Thoracic Vertebrae Leans anteriorly; Cervical and Lumbar Vertebrae Superior articular processes Auricular surfaces Sacral canal Sacral crest Sacral foramina Vertebrae of the thorax; Attached to the ribs Posterior pelvis Heart-shaped bodies Costal facets Long spinous processes Tailbone Cervical Vertebrae (7), Thoracic Vertebrae (12), Lumbar Vertebrae (5), Sacrum, Coccyx Small bodies Transverse foramina C2-C6 bifid spinous process C1 and C2 special! 1 Costochondral Joints 2 Manubrium 3 Ribs 4 Function of the Rib Cage 5 Floating Ribs 6 False Ribs 7 Sternum 8 Xyphoid Process 9 Components of the Rib Cage 10 True Ribs 11 Sternocostal Joints 12 Body 13 Sternum Components 2; #'s 11 & 12; Have NO costal cartilage Majority of the sternum; 6 costal notches that create joints with costal cartilage and ribs Bottom tab on the sternum 3; #'s 8-10; Connect to #7's costal cartilage protects enclosed organs, anchors many muscles Breastbone Suprasternal/jugular notch - Attachment point for sternocleidomastoid Clavicular notches - Sternoclavicular joints Costal notch - Sternocostal joints 12 on each side; 3 types: true, false, & floating Between the costal cartilage and bone of the true (1-7) and false ribs (8-10) Cartilaginous Joints (Synchondroses) Sternum, Ribs, Costal Cartilage Manubrium, Body, Xyphoid Process 7; #'s 1-7; Each rib has its own costal cartilage Between the sternum and costal cartilage of true ribs (1-7) Synovial joints 1 Intervertebral Joints 2 Vertebrocostal Joints 3 Atlanto-axial Joint 4 Sternocostal Joints 5 Temporomandibular Joint 6 Axial Joints 7 Atlanto-occipital Joint atlas + dens of axis mandibular fossa + condylar process Temporomandibular, Atlanto-occipital, Atlanto-axial, Intervertebral, Vertebrocostal, & Sternocostal T1-12 costal facets on vertebral body + head of rib T1-12 costal facets on transverse process + rib tubercle manubrium and sternal body costal notches + costal cartilage (1-7) superior articular processes of atlas + occipital condyles Superior + inferior articular processes Adjacent vertebral bodies (intervertebral disks)
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