PEDS100 Chapter Notes -Frontal Bone, Fibrocartilage, Clavicle

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Published on 22 Nov 2011
School
University of Alberta
Department
Physical Education and Sport
Course
PEDS100
Osteology and Arthology
Classification of Bones-
Long bones: Tubular shaft, ends are enlarged, dimensions don’t matter
Flat Bones: Thin, all have outer covering of very dense bone, spongy bone inside. Ex
skull, rib, sternum, part of scapula
Pneumatized Bones: Bones with holes(sinuses) in them. Ex frontal bone
Irregular Bones: Have structures sticking out on sides. Ex vertebra
Short Bones: Usually cube shaped
Sesamoid Bone: Forms in tendons. Ex patella forms after birth, pisiform bone
Classification of Bones-Skeletal
Axial: -Skull (22)
-Vertebrae (26) variation in numbers may come in with caucyx and sacrum,
-Rib cage (24),
-Hyoid (1) high up in neck, muscles for swallowing and tongue attach; no other bones
articulate with it,
-Auditory ossicles (6)
Appendicular:
-Pectoral Girdle: Clavicle, scapula
-Upper Extremity
-Pelvic Girdle
-Lower Extremity:Hip down to toes
Bone Markings
Diaphysis: The tubular shaft of a long bone
Epiphysis: The end portion of a long bone that has a separate ossification centre
Tuberosity: A rough projection
Tubercle: A small eminence
Trochanter: A large, very prominent eminence
Process: A bony prominence
Articular surface: A joint surface
Facet: A small articular surface
Condyle: A rounded articular surface
Epicondyle: A non articular projection next to a condyle
Head: A large, rounded end of a bone
Neck: The part between the head and the diaphysis; usually separated into separate
surgical and anatomical necks
Fossa: A shallow depression
Foramen: A round hole (a neurovascular opening)
Fissure: A hole, shaped more like a crack or cleft
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Document Summary

Classification of bones: long bones: tubular shaft, ends are enlarged, dimensions don"t matter, flat bones: thin, all have outer covering of very dense bone, spongy bone inside. Ex skull, rib, sternum, part of scapula: pneumatized bones: bones with holes(sinuses) in them. Ex frontal bone: irregular bones: have structures sticking out on sides. Ex vertebra: short bones: usually cube shaped, sesamoid bone: forms in tendons. Vertebrae (26) variation in numbers may come in with caucyx and sacrum, Hyoid (1) high up in neck, muscles for swallowing and tongue attach; no other bones articulate with it, Diaphysis: the tubular shaft of a long bone. Epiphysis: the end portion of a long bone that has a separate ossification centre. Epicondyle: a non articular projection next to a condyle. Head: a large, rounded end of a bone. Neck: the part between the head and the diaphysis; usually separated into separate surgical and anatomical necks. Fissure: a hole, shaped more like a crack or cleft.

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