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