Long Bones: Bones that are longer than they are wide, primarily involved in movement and support (e.g., femur, humerus). Composed of a diaphysis (shaft) and epiphyses (ends).
Short Bones: Cube-shaped bones with approximately equal length and width, providing stability and support with limited movement (e.g., carpals, tarsals).
Flat Bones: Thin, flattened, and usually curved bones that protect internal organs and serve as attachment sites for muscles (e.g., sternum, skull bones, ribs).
Irregular Bones: Bones with complex shapes that do not fit into other categories, often supporting and protecting (e.g., vertebrae, pelvic bones).
Sesamoid Bones: Small bones embedded within tendons that protect tendons from stress and improve leverage (e.g., patella).
1. What is the term for bones that are thin, flattened, and usually curved, serving protective roles and providing attachment sites for muscles?
2. What is the Haversian system (osteon) in compact bone primarily composed of?
3. What is the primary role of ossification processes during bone development?
Bone Types — classification?
Based on shape: long, short, flat, irregular, sesamoid.
Bone Structure — key components?
Diaphysis, epiphysis, osteocytes, osteoblasts, osteoclasts, Haversian system.
Bone Growth — process?
Involves ossification (intramembranous, endochondral) and growth plates.
Bone types — classification?
Based on shape: long, short, flat, irregular, sesamoid.
Long bones — function?
Support movement, leverage, and blood cell production.
Flat bones — role?
Protect internal organs, provide muscle attachment sites.
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