Bone Structure and Marrow Function
Discover the intricate details of bones and bone tissue, including the different types of bones, composition of osseous tissue, and the roles of red and yellow bone marrow in blood cell production. Gain insights into the dense compact and spongy bone tissues, as well as the essential mineral salts and water content crucial for bone health."
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Presentation Transcript
Mineral salts Water Tissue
By shape: Long bones Short bones Flat bones Sesamoid bones Irregular bones
Osseous tissue (bone tissue): Is the mineral matrix that forms rigid part of bone Contains abundant collagen fibers that provide strength as well as some flex Provides major structural and supportive connective tissue Two bone tissue types: compact (cortical) trabecular (spongy/cancellous)
Two types of bone tissue: C Compact Makes the hard outer bone layer Smooth and solid Generally cylinder shaped Surgeons need saws to cut it! Trabecular (spongy/ Makes up the bone interior Light, porous, spongy and mesh-like Structurally similar to honeycomb Which bone tissue type is denser? ompact (cortical) hard outer bone layer (cortical) Trabecular (spongy/cancellate bone interior cancellate) ) Which bone tissue type is denser? Red bone marrow in femur Red bone marrow in femur
Bone marrow A jelly-like substance In the center of the bone Produces blood cells for the body Blood vessels Run through the center of the bone Deliver food, oxygen and minerals center of the bone center of the bone
Red Bone Marrow Generates red and white blood cells & platelets Found in flat bones like ribs and shoulders Red Bone Marrow Generates red and white blood cells & platelets Found in flat bones like ribs and shoulders Yellow Does not make blood cells Mostly fat; also stores sugar Found in hollow centers of long bones Yellow Bone Marrow Does not make blood cells Mostly fat; also stores sugar Found in hollow centers of long bones Bone Marrow
Living bones are porous Living bones are porous Bones are one of the strongest materials Bones are extremely light steel or concrete however they are much stronger light lighter than much stronger!
