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