Skeletal project

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by Raychelremmert
Last updated 6 years ago

Human Anatomy

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Skeletal project

Skeletal System

Injuries/Disorders of the System

Moveable Joint Structures

Composition of Bones

Functions of the System

20 Major Bones in the Body

1. Cranium2. Mandible3. Calvical4. Sternum5. Humerus6. Rib Cage7. Vertebra8. Pelvis9. Ulna10. Radius

11. Carpals12.Metacarpals13. Femur14. Phalanges15. Metatarsals16. Fibula17. Tarsals18. Tibia19. Patella20. Scapula

Mechanical-Support. Bones provide a framework for the attachment of muscles and other tissues.-Movement. Bones enable body movements by acting as levers and points of attachment for muscles.

Metabolic-Mineral storage. Bones serve as a reservoir for calcium and phosphorus, essential minerals for various cellular activities throughout the body.-Blood cell production. The production of blood cells, occurs in the red marrow found in the cavities of certain bones.-Energy storage. Lipids (fats) stored in adipose cells of the yellow marrow serve as an energy.

ProtectiveBones such as the skull and rib cage protect vital organs from injury. Bones also protect the marrow.

Bone consists mainly of collagen fibres and an inorganic bone mineral in the form of small crystals. In vivo bone (living bone in the body) contains between 10% and 20% water. Of its dry mass, approximately 60-70% is bone mineral.

A ball and socket joint is a manufactured joint, such as the hip joint, in which a partially spherical end lies in a socket, allowing movement and rotation. A hinge joint is a bone joint in which the articular surfaces are molded to each other in such a manner as to permit motion only in one plane.A pivot joint is a joint in which a section of a cylinder of one bone fits into a corresponding cavity on the other, permitting rotating movement, as in the proximal articulation between the radius and ulna.A gliding joint, is a common type of synovial joint formed between bones that meet at a falt surface. Gliding joints allow the bones to glide past one another in any direction

Arthritis is a common joint disorder caused due to inflammation of one or more joints. It's characterized by pain, swelling, stiffness, and tenderness in the affected joint.Sprain is a severe painful injury to a ligament or tissue that covers a joint.A fracture is the most common, which occurs due to breakage of a bone. The breakage can be complete or partial, depending upon the intensity or severity of the impact, and other pathological factors. Scoliosis is a skeletal system disorder which leads to an abnormally curved ('s' or 'c' shape) spine.

CancerVarious types of cancers can damage bones and the skeletal system. Bone cancer, metastasis of cancer into bones, leukemia (blood cancer that originates in the blood marrow), etc., can weaken the bones and other tissues.

Haversian canals are a series of tubes around narrow channels formed by lamellae.The appendicular skeleton consists of the bones or cartilage that support the appendages of vertebrates.The axial skeleton is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate.A bursa is a small fluid-filled sac lined by synovial membrane with an inner capillary layer of viscous fluid.An endoskeleton is an internal skeleton, such as the bony or cartilaginous skeleton of vertebrates.Ossification in bone remodeling is the process of laying down new bone material by cells called osteoblasts.Osteology is the scientific study of bones, practiced by osteologists.A fontanelle (or fontanel) (colloquially, soft spot) is an anatomical feature of the infant human skull comprising any of the soft membranous gaps.



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