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