Bone Development Bone Remodeling Bone Homeostasis Skeletal Microanatomy Surprise Me! 1pt 1 pt 1 pt 1pt 1 pt 2 pt 2 pt 2pt 2pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4pt 4 pt 4pt 5pt 5 pt 5 pt 5 pt 5 pt
The process of bone formation
What is osteogenesis or ossificaton
Bone deposit is accomplished by
What are osteoblasts
A type of bone development in which a cartilage “model” must be replaced by bone
What is endochondral ossification
Hormones affecting bone development.
What are growth hormone, thyroid hormone and sex hormones
Growth in diameter (thickness) of long bones
What is appositional growth
The breakdown of bone is accomplished by
What are osteoclasts
DOUBLE JEOPARDY Two regulators of bone remodeling
What is the hormone feedback loop (calcitonin and PTH) and responses to mechanical forces (Wolff’s Law)
Classification of a fracture based on the orientation of the break
What is linear or transverse
Mineralization of bone generally refers to
Calcification, in which calcium crystals are packed together forming the hard compact bone
Bone remodeling occurs here
Where is the periosteal and endosteal surfaces
Bone resorption and bone deposit together are referred to as
What is bone remodeling
This disorder literally means “soft bones”
What is osteomalacia
This disorder can cause bowing of the legs in young children
What is rickets
Osteoporosis can be treated with hormone replacement therapy because
What is estrogen promotes bone growth
Smoking is a risk factor for osteoporosis because.
What is smoking decreases estrogen levels
The long axis of a bone
What is the diaphysis
DOUBLE JEOPARDY The membrane that covers compact bone
What is the periostem
The structural unit of compact bone
What is the osteon
The concentric circles that make up an osteon
What are lamella
The channels that connect one lacunae to another
What are canaliculi
Bone cells
What are osteocytes
Realignment of bones in which the physician coaxes the bones into place
What is closed reduction
Acids secreted in resorption bays act to
What is convert calcium crystals into soluble calcium that can diffuse into the blood
A disorder in which bone resorption outpaces bone deposit leading to weak and brittle bones
What is osteoporosis
Calcification occurs at this zone of the epiphyseal plate.
What is the osteogenic zone