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Terms in this set (58)
What tissues and organs make up the skeletal system?
cartilage, ligaments, bones
What is cartilage?
It is a type of flexible connective tisssue that covers most joints in adults
Most common type of cartilage; it is found on the ends of long bones, ribs, and nose
intervertebral discs, knee menisci
What do ligaments do?
hold bones together at joints
How many bones are in the body?
How many bones in body of a newborn?
What is a bone?
hard connective tissue impregnated with calcium
What is the appendicular skeleton
arms and legs, girdle, hip
What is the Axial?
Head, neck, and trunk (the vertical axis of the body)
What are sesamoid bones?
bones that form within tendons in response to strain ex. Patella
What are wormian bones?
extra bones in skull
What is a depression in bones?
shaped for articulation.. space for nerves and blood vessels.
What are openings?
Allow passage to marrow.
What are projections?
Sites for ligament or tendon attachment
What are markings?
site of muscle attachment
part of side and top of head
forms front part of skull forehead and upper eyes
middle and toward front of skull in front of occipital bone
side and base of skull
forms back and base of skull, which spinal cord passes
The bones of the skull are attached to one another by what?
Sutures, which makes them immovable
How does the fetal skull differ from the adult?
the bones of the cranium are not yet fused by sutures but instead have open spaces between them covered by fibrous membranes.
What are fontanels?
skull areas where intramembranous ossification is not complete. Allows for flexion and growth. Infants are born with this
How many bones are in the thoracic category of vertebral column?
How many bones are in cervical category of vertebral column?
How many bones in lumbar category of vertebral column?
How many bones are in sacral bones of vertebral column?
How many bones in coccyx category of vertebral column?
What is scoliosis?
lateral curvature of the spine
What is herniated disc?
a ruptured intervertebral disc that leaks its internal gel. results in nerve compression
What is kyphosis?
exaggerated lumbar curvature
leaning forward for too long.. reverse lordosis
What type of homeostasis is the skeleton involved in?
What is bone deposition
compression (lifting weights) continuous tension.. takes calcium out
sedentary life style.
What is bone deposition an example of?
What is bone resorption an example of?
What is simple bone fracture?
bone ends do not penetrate the skin
What is compound fracture?
skin and tissue around fracture damaged
What is difference between non displaced fracture, displaced, and complete fracture?
non-displaced- stays in place
displaced- pieces have shifted
complete- broken all way
What is a compression fracture?
bone is crushed
What is spiral fracture?
a fracture that twists around the shaft of the bone
What is epiphyseal fracture?
separation at plate
What is a depressed fracture?
What is a greenstick fracture?
incomplete/one-sided.. bone bends
What is formed to stop bleeding for a fracture?
What forms at the break?
What happens in a fracture for romodeling?
excess material eventually removed
softening of the bone
a bone disease of unknown cause characterized by the excessive breakdown of bone tissue, followed by abnormal bone formation
tumor that is from bone and bone cells
Cancerous tumor that spreads from other tissues and organs
cancer of cartilage tissue (overproduction of cartilage)
Overproduction of bone
Fibydysplasia ossificans progressive
Genetic disorder. Tissue starts ossifying in body
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