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 Vertebral Column 4 Associated Bones of the Skull 5 Thoracic (Rib) Cage Sternum & 24 Ribs Composed of the Skull, Associated Bones of the Skull, Vertebral Column, Thoracic (Rib) Cage 8 Cranial Bones & 14 Facial Bones 7 Cervical Vertebrae, 12 Thoracic Vertebrae, 5 Lumbar Vertebrae, Sacrum, Coccyx 6 Auditory Ossicles & Hyoid Bone 1 Oral Cavity 2 Sagittal Suture 3 Orbital Cavities 4 Palatine Suture 5 Skull 6 Cranial Cavity 7 Nasal Cavity 8 Cavities 9 Coronal Suture 10 Lambdoid Suture 11 Types of Sutures 12 Squamous Suture 13 Sutures Joint between palatine bones Contains the mouth; Created by the maxilla, palatine, & mandible bones Contains 8 Cranial Bones, 14 Facial Bones, & Associated Bones: 6 Auditory Ossicles & Hyoid Bone Joint between 2 parietal bones Joints between the bones of the skull Coronal, Sagittal, Squamous, Lambdoid, Palatine, Contains the eyes; Created by the frontal, sphenoid, ethmoid, zygomatic, maxilla, lacrimal, & palatine bones Joint between parietal and occipital bones Joint between frontal and parietal bones Contains the brain; Created by frontal, parietal, temporal, occipital, ethmoid, & sphenoid bones Joint between parietal and temporal bones Contains the nose; Created by the nasal, ethmoid, vomer, palatine, inferior nasal concha, & maxilla bones A hollow space made by multiple bones; Cranial, Orbital, Nasal, & Oral 1 Lacrimal 2 Mandible 3 Ethmoid 4 Maxilla 5 Face 6 Nasal 7 Palatine 8 Frontal 9 Anatomic Divisions of the Skull 10 Occipital 11 Parietal 12 Sphenoid 13 Neurocranium 14 Temporal 15 Zygomatic 16 Inferior Nasal Conchae 17 Vomer Lower jaw Frontal (1), Parietal (2), Temporal (2), Occipital (1), Sphenoid (1), & Ethmoid (1) Roof of nasal cavity Paired; Inferior-lateral walls of nasal cavity Nasal (2), Lacrimal (2), Zygomatic (2), Maxilla (2), Mandible (1), Vomer (1), Palatine (2), Inferior Nasal Conchae (2) Paired; Temple & ear (lateral), also base (inferior) Neurocranium and Face Paired; Upper jaw; Roof of oral cavity, floor and lateral walls of nasal cavity, and medial orbit Medial wall of orbit, roof and superior-lateral walls of nasal cavity, and superior nasal septum Forehead (anterior cranial cavity), eyebrows (roof of the orbit) Inferior nasal septum 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 Paired; Medial wall of the orbit Paired; Cheekbones (lateral orbit) Paired; top and sides (lateral) of head (lateral/superior cranial cavity) Back of head and bottom of the skull (posterior/inferior cranium) 1 Bones of the Ear Ossicles 2 Stapes 3 Incus 4 Ear Ossicles 5 Hyoid 6 Associated Bones of the Skull 7 Malleus Hammer Malleus, Incus, Stapes Anvil Ear Ossicles & Hyoid 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 Stirrup 1 Thoracic Vertebrae 2 Sacrum 3 Cervical Vertebrae 4 Special Features of Cervical Vertebrae 5 Lumbar Vertebrae 6 Special Features of the Lumbar Vertebrae 7 Kyphosis 8 Lordosis 9 Parts of the Sacrum 10 Anatomic Divisions of the Vertebral Column 11 Coccyx 12 Special Features of the Thoracic Vertebrae Small bodies Transverse foramina C2-C6 bifid spinous process C1 and C2 special! Posterior pelvis Very thick bodies Lock together with inwardly facing superior & inferior processes for max support Thick process for attachment of back muscles Cervical Vertebrae (7), Thoracic Vertebrae (12), Lumbar Vertebrae (5), Sacrum, Coccyx Leans poteriorly; Sacrum & Thoracic Vertebrae Vertebrae of the Neck Vertebrae of the lower back Leans anteriorly; Cervical and Lumbar Vertebrae Heart-shaped bodies Costal facets Long spinous processes Tailbone Vertebrae of the thorax; Attached to the ribs Superior articular processes Auricular surfaces Sacral canal Sacral crest Sacral foramina 1 False Ribs 2 Sternum Components 3 Body 4 Costochondral Joints 5 Function of the Rib Cage 6 Ribs 7 True Ribs 8 Manubrium 9 Components of the Rib Cage 10 Sternocostal Joints 11 Floating Ribs 12 Sternum 13 Xyphoid Process 3; #'s 8-10; Connect to #7's costal cartilage 2; #'s 11 & 12; Have NO costal cartilage Breastbone Sternum, Ribs, Costal Cartilage 7; #'s 1-7; Each rib has its own costal cartilage Majority of the sternum; 6 costal notches that create joints with costal cartilage and ribs 12 on each side; 3 types: true, false, & floating 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 protects enclosed organs, anchors many muscles Manubrium, Body, Xyphoid Process Between the costal cartilage and bone of the true (1-7) and false ribs (8-10) Cartilaginous Joints (Synchondroses) Bottom tab on the sternum 1 Axial Joints 2 Atlanto-occipital Joint 3 Temporomandibular Joint 4 Intervertebral Joints 5 Atlanto-axial Joint 6 Vertebrocostal Joints 7 Sternocostal Joints manubrium and sternal body costal notches + costal cartilage (1-7) Temporomandibular, Atlanto-occipital, Atlanto-axial, Intervertebral, Vertebrocostal, & Sternocostal Superior + inferior articular processes Adjacent vertebral bodies (intervertebral disks) atlas + dens of axis mandibular fossa + condylar process superior articular processes of atlas + occipital condyles T1-12 costal facets on vertebral body + head of rib T1-12 costal facets on transverse process + rib tubercle
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