Vertebrae

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Vertebrae
Bones of the Leg
Femur -- longest bone in the body -- top part of the leg
Tibia -- shinbone -- lower part of the leg
Fibula -- outside of the leg -- skinny bone
Patella -- kneecap
Tarsals -- foot bones close to the ankle
Metatarsals -- long bones of the feet
Phalanges -- toes
Bone Openings
Skeleton
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Intramembranous Bones
-- intramembranous bones develop from sheet-like layers of undifferentiated connective tissue
-- the broad, flat bones of the skull form as intramembranous bones
-- osteoblasts deposit a bony matrix around themselves in all directions
-- this forms spongy bone
-- once the osteoblasts have encased themselves within the matrix, they are called osteocytes
-- cells of the membranous tissue surround the developing bone give rise to the periosteum
-- osteoblasts on the inside of the periosteum form a layer of compact bone over the spongy bone
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Bones of the Upper Limbs
-- humerus
-- ulna
-- radius
-- carpals -- scaphoid -- trapezium -- capitate -- trapezoid -- lunate -- triquetrum -- pisiform -- hamate
-- metacarpals
-- phalanges
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The Cranium