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