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