Term
| what is articular cartilage? |
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Definition
| the thin, smooth, bluigh-white layer that covers the epiphyses' surface and aids in smooth movement |
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Term
| what is the haversian system and what does it contain? |
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Definition
the haversian system is a unit of compact bones and it contains:
a= haversian blood vessels
b= lamellae- concentric layers of a hard matrix
c= lacunae- located between the lamellae and are fluid filled spaces that dontaint he osteocytes
d= canaliculi- tiny canals that contain blood vessels that run from the HCC to the lacunae |
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Term
whaich bones are the last to ossify?
What is the process of ossification? |
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Definition
Sternum, Clavicles, Vertebrae
ossification is the process of cartilage converting into solid bone |
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Term
| what covers the diaphysis? |
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Definition
| periosteum- a dense white fibrous tissue that functions in muscle atachemnt and bone growth and repair |
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Term
| whats the shaft and ends of a bone called |
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Definition
shaft= diaphysis
ends= episyses |
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Term
| what are the bones classified by shape? |
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Definition
long bones- arms and legs
short bones- wrists and ankles
irregular bones- zygomatic arch
flat bones- ribs and strnum
sesamoid- patella |
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Term
| what are the 3 kinds of arthritis? |
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Definition
rhematoid
osteoarthritis
gouty arthritis |
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Term
| what covers the proximal + distal bone ends to help form the joint? |
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Definition
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Term
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Definition
| saclike structures that are filled with synovial fluid |
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Term
| which membrane lines the inner surface of the joint capsule and wht does it produce? |
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Definition
| synovial membrane ---> synovial fluid which aids in joint lubircation and "shock absorber" between bones. |
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Term
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Definition
| a connection between two or more bones or between caratilage and bone. |
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Term
| which cartilage is the last to ossify in long bone? |
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Definition
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Term
| what are the three classifications of joints? |
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Definition
slightly movable
freely movable
immovable |
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Term
| what are the 11 types of fractures? |
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Definition
pott's
colles'
impacted
greenstick
spiral
transverse
oblique
comminuted
open/compound
closed/simple
pathologic |
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Term
| what is a blood clot called? |
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Definition
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Term
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Definition
| osteoclast phagocytize tissue debri and the new osteoblast produces bew osteocytes along with a fibrocartilage. This is a callus. lol |
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Term
| what is required to make new haversian canals? |
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Definition
| calcium and magnesium; vitamins C and D |
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Term
decribe the 206 bones in the human body
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Definition
axial skeleton- contains 80 bones and includes the .skull .ribs .vertebral column . sternum
appendicular skeleton- contains 126 bones including the .arms .legs .pectoral girdle .pelvic girdle |
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Term
| give examples of the three joint classifications= |
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Definition
freely movable -ball and socket (shoulder and hip)-hinge (elbow and knee) -pivot (atlas and axis)
slightly movable - gliding (vertebrae, sternum, carpals and tarsals) -combined hunge and gliding (temporomandibular)
immovable -sutures= interlocks skull bones |
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Term
| what are the "soft spots" between the sutures called? |
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Definition
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