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 Associated Bones of the Skull 2 Axial Skeleton 3 Thoracic (Rib) Cage 4 Vertebral Column 5 Skull 8 Cranial Bones & 14 Facial Bones 6 Auditory Ossicles & Hyoid Bone 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 Sternum & 24 Ribs 1 Orbital Cavities 2 Sutures 3 Cavities 4 Nasal Cavity 5 Palatine Suture 6 Oral Cavity 7 Types of Sutures 8 Skull 9 Squamous Suture 10 Lambdoid Suture 11 Cranial Cavity 12 Coronal Suture 13 Sagittal Suture Contains the mouth; Created by the maxilla, palatine, & mandible bones Joint between parietal and temporal 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 2 parietal bones Joint between frontal and parietal bones Joints between the bones of the skull Coronal, Sagittal, Squamous, Lambdoid, Palatine, A hollow space made by multiple bones; Cranial, Orbital, Nasal, & Oral Joint between palatine bones Joint between parietal and occipital bones Contains 8 Cranial Bones, 14 Facial Bones, & Associated Bones: 6 Auditory Ossicles & Hyoid Bone Contains the eyes; Created by the frontal, sphenoid, ethmoid, zygomatic, maxilla, lacrimal, & palatine bones 1 Lacrimal 2 Mandible 3 Ethmoid 4 Frontal 5 Nasal 6 Neurocranium 7 Sphenoid 8 Inferior Nasal Conchae 9 Vomer 10 Zygomatic 11 Parietal 12 Palatine 13 Face 14 Anatomic Divisions of the Skull 15 Occipital 16 Temporal 17 Maxilla Paired; Upper jaw; Roof of oral cavity, floor and lateral walls of nasal cavity, and medial orbit 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; top and sides (lateral) of head (lateral/superior cranial cavity) Forehead (anterior cranial cavity), eyebrows (roof of the orbit) Lower jaw Neurocranium and Face Nasal (2), Lacrimal (2), Zygomatic (2), Maxilla (2), Mandible (1), Vomer (1), Palatine (2), Inferior Nasal Conchae (2) Inferior nasal septum Medial wall of orbit, roof and superior-lateral walls of nasal cavity, and superior nasal septum Back of head and bottom of the skull (posterior/inferior cranium) Part of temple (lateral), part of base (inferior), back of eye Paired; Medial wall of the orbit Paired; Cheekbones (lateral orbit) Frontal (1), Parietal (2), Temporal (2), Occipital (1), Sphenoid (1), & Ethmoid (1) Roof of nasal cavity Paired; Inferior-lateral walls of nasal cavity 1 Ear Ossicles 2 Stapes 3 Malleus 4 Incus 5 Bones of the Ear Ossicles 6 Associated Bones of the Skull 7 Hyoid Anvil Stirrup Malleus, Incus, Stapes 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 Hammer 1 Lumbar Vertebrae 2 Kyphosis 3 Lordosis 4 Coccyx 5 Cervical Vertebrae 6 Parts of the Sacrum 7 Thoracic Vertebrae 8 Special Features of the Lumbar Vertebrae 9 Sacrum 10 Special Features of Cervical Vertebrae 11 Anatomic Divisions of the Vertebral Column 12 Special Features of the Thoracic Vertebrae 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 Cervical Vertebrae (7), Thoracic Vertebrae (12), Lumbar Vertebrae (5), Sacrum, Coccyx Leans anteriorly; Cervical and Lumbar Vertebrae Vertebrae of the lower back Heart-shaped bodies Costal facets Long spinous processes Vertebrae of the Neck Leans poteriorly; Sacrum & Thoracic Vertebrae Tailbone Superior articular processes Auricular surfaces Sacral canal Sacral crest Sacral foramina Posterior pelvis 1 Function of the Rib Cage 2 Sternocostal Joints 3 Sternum Components 4 False Ribs 5 Sternum 6 Components of the Rib Cage 7 Floating Ribs 8 True Ribs 9 Costochondral Joints 10 Manubrium 11 Body 12 Xyphoid Process 13 Ribs Manubrium, Body, Xyphoid Process 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 3; #'s 8-10; Connect to #7's costal cartilage 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) 2; #'s 11 & 12; Have NO costal cartilage Suprasternal/jugular notch - Attachment point for sternocleidomastoid Clavicular notches - Sternoclavicular joints Costal notch - Sternocostal joints Bottom tab on the sternum Majority of the sternum; 6 costal notches that create joints with costal cartilage and ribs protects enclosed organs, anchors many muscles Breastbone 1 Intervertebral Joints 2 Axial Joints 3 Atlanto-axial Joint 4 Vertebrocostal Joints 5 Sternocostal Joints 6 Temporomandibular Joint 7 Atlanto-occipital Joint 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) Temporomandibular, Atlanto-occipital, Atlanto-axial, Intervertebral, Vertebrocostal, & Sternocostal mandibular fossa + condylar process Superior + inferior articular processes Adjacent vertebral bodies (intervertebral disks) atlas + dens of axis superior articular processes of atlas + occipital condyles
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