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