Relier Pairs Unit 2 Part 2: Axial SkeletonVersion en ligne Information on the axial portion of the skeleton and its features par Abigail Scott 1 Associated Bones of the Skull 2 Skull 3 Thoracic (Rib) Cage 4 Vertebral Column 5 Axial Skeleton Sternum & 24 Ribs 8 Cranial Bones & 14 Facial Bones 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 6 Auditory Ossicles & Hyoid Bone 1 Cranial Cavity 2 Nasal Cavity 3 Cavities 4 Types of Sutures 5 Sagittal Suture 6 Orbital Cavities 7 Sutures 8 Oral Cavity 9 Squamous Suture 10 Coronal Suture 11 Palatine Suture 12 Lambdoid Suture 13 Skull Joint between palatine bones Joints between the bones of the skull Contains the nose; Created by the nasal, ethmoid, vomer, palatine, inferior nasal concha, & maxilla bones Coronal, Sagittal, Squamous, Lambdoid, Palatine, Joint between parietal and temporal bones Contains the eyes; Created by the frontal, sphenoid, ethmoid, zygomatic, maxilla, lacrimal, & palatine bones Contains 8 Cranial Bones, 14 Facial Bones, & Associated Bones: 6 Auditory Ossicles & Hyoid Bone A hollow space made by multiple bones; Cranial, Orbital, Nasal, & Oral Joint between 2 parietal bones Contains the mouth; Created by the maxilla, palatine, & mandible bones Joint between parietal and occipital bones Joint between frontal and parietal bones Contains the brain; Created by frontal, parietal, temporal, occipital, ethmoid, & sphenoid bones 1 Parietal 2 Neurocranium 3 Mandible 4 Sphenoid 5 Frontal 6 Inferior Nasal Conchae 7 Nasal 8 Face 9 Vomer 10 Palatine 11 Occipital 12 Ethmoid 13 Lacrimal 14 Temporal 15 Zygomatic 16 Anatomic Divisions of the Skull 17 Maxilla 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 Paired; Inferior-lateral walls of nasal cavity Neurocranium and Face Paired; Cheekbones (lateral orbit) Back of head and bottom of the skull (posterior/inferior cranium) Lower jaw Paired; top and sides (lateral) of head (lateral/superior cranial cavity) Paired; Medial wall of the orbit Roof of nasal cavity Paired; Upper jaw; Roof of oral cavity, floor and lateral walls of nasal cavity, and medial orbit Medial wall of orbit, roof and superior-lateral walls of nasal cavity, and superior nasal septum Forehead (anterior cranial cavity), eyebrows (roof of the orbit) Inferior nasal septum Paired; Temple & ear (lateral), also base (inferior) 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) 1 Incus 2 Malleus 3 Bones of the Ear Ossicles 4 Hyoid 5 Stapes 6 Associated Bones of the Skull 7 Ear Ossicles Located within the temporal bone, amplify sound Ear Ossicles & Hyoid Stirrup Hammer 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 Anvil 1 Anatomic Divisions of the Vertebral Column 2 Cervical Vertebrae 3 Parts of the Sacrum 4 Coccyx 5 Special Features of the Thoracic Vertebrae 6 Special Features of Cervical Vertebrae 7 Thoracic Vertebrae 8 Kyphosis 9 Lordosis 10 Sacrum 11 Lumbar Vertebrae 12 Special Features of the Lumbar Vertebrae Vertebrae of the Neck Vertebrae of the lower back Leans poteriorly; Sacrum & Thoracic Vertebrae Posterior pelvis Leans anteriorly; Cervical and Lumbar Vertebrae Tailbone Heart-shaped bodies Costal facets Long spinous processes 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 Small bodies Transverse foramina C2-C6 bifid spinous process C1 and C2 special! Cervical Vertebrae (7), Thoracic Vertebrae (12), Lumbar Vertebrae (5), Sacrum, Coccyx Superior articular processes Auricular surfaces Sacral canal Sacral crest Sacral foramina 1 Sternum Components 2 Xyphoid Process 3 Floating Ribs 4 False Ribs 5 Components of the Rib Cage 6 Sternum 7 Sternocostal Joints 8 Manubrium 9 Costochondral Joints 10 Body 11 Function of the Rib Cage 12 Ribs 13 True Ribs 12 on each side; 3 types: true, false, & floating protects enclosed organs, anchors many muscles Bottom tab on the sternum 3; #'s 8-10; Connect to #7's costal cartilage Sternum, Ribs, Costal Cartilage 7; #'s 1-7; Each rib has its own costal cartilage 2; #'s 11 & 12; Have NO costal cartilage Between the sternum and costal cartilage of true ribs (1-7) Synovial joints Manubrium, Body, Xyphoid Process Suprasternal/jugular notch - Attachment point for sternocleidomastoid Clavicular notches - Sternoclavicular joints Costal notch - Sternocostal joints Breastbone 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 1 Axial Joints 2 Vertebrocostal Joints 3 Atlanto-occipital Joint 4 Temporomandibular Joint 5 Atlanto-axial Joint 6 Sternocostal Joints 7 Intervertebral Joints Superior + inferior articular processes Adjacent vertebral bodies (intervertebral disks) superior articular processes of atlas + occipital condyles mandibular fossa + condylar process atlas + dens of axis 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
Créer jeu