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