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45 Cards in this Set

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Name the 5 functions of bone:
1. Support
2. Protection
3. Movement
4. Storage
5. Blood cell formation
What are the 2 types of bone called?
1. Spongy bone

2. Compact bone
What are 4 shape types of bone?
1. Long bones
2. Short bones
3. Flat bones
4. Irregular bones
The open network within spongy bone filled with bone marrow is called?
Trabeculae
All bones of the limb are long bones except the bones of the _, _ and _.
Patella, wrist and ankle bones
Long axis on long bones is called?
Diaphysis
Ends of lon bones are called?
Epiphyses
Growth area where bones lengthen. Found at the justion of the ephyses and diaphysis.
Epiphyseal plate
Remnant of the plate where the bone growth area used to be.
Epiphyseal line
the outer CT made of osteoblasts found on the diaphyses of long bone. Insertion point for ligaments and tendons.
Periosteum
CT that covers inernal bones surfaces incl. trabeculae and canals that pass thru compact bone.
Endosteum
The typeof hyaline cartilage that covers the outside epiphyses. cushions the bone ends and absorbs stress.
Articular Cartilage
the structural unit of bone
osteon
hollow tubes of collagen that make up the osteons
lamella
runs thru the center of the osteons and contains small blood vessels and nerve fibers
central canal
Connects the vascular and nerve supplies of the periosteum to the central canals and the medular cavity.
Volkmann canals
Osteons are present in spongy bone and compact bone, true or false?
False
Lamella and osteocytes are aranged in cylinder type arangement in spongy bone.
true or false?
false. Trabeculae contain irregularly arranged lamellae and osteosytes interconnectd by canaliculi
What organic compounds make up bones structure, flexability and tensile strength?
osteoid(1/3)and cells
Large rounded projection
Tuberosity
Narrow ridge of bone?
Crest
Large, blunt irregular shaped process
Trochanter
small rounded projection
tubercle
raised area on or above a condyle
epicondyle
sharp, slender pointed projection
spine
narrow neck on a bone?
head
round articular projection
condyle
armlike bar of bone
ramus
canal-like passageway?
meatus
cavity within a bone filled with air and lined with mucous membrane
sinus
shallow depression
fossa
narrow slit-liek opening
fissure
round or oaval opening through a bone
foramen
bone breaks clean, no penetration thru skin
simple
broken ends penetrate skin
compound
boen fragments into many pieces
comminuted
bone is crushed
compression
broken bone is pressed inward
depressed
broken ends are forced into each other
impacted
ragged break when excessive twisting occurs
spiral
bone breaks incompletely like a greentwig
greenstick
What is the name of the first stage of bone repair and what occurs?
Hematoma formation

a mass of clotted boned forms at fracture site

bone cells die, tissues swell and become painful
What is the name and what occurs suring the second stage of bone repair?
Fibrocartilaginous Callus Formation

Capillaries grow in the area
Macrophages clean up debris
fibroblasts produce collagen fibers that begin to conect broken ends
some fibroblasts BECOME chondroblasts which make cartilage
osteoblasts begin forming spongy bone.
What is the name and what occurs during the 3rd stage of bone repair?
Bony callus formation

the fibrocartilage callus is converted to hard bony callus of spongy bone by the action of osteoblasts and osteoclasts
begins 3-4 weeks post injury and continues until firm 2-3 months later
What is the name and what occurs during the 4th stage of bone repair?
Remodeling

Excess material outside the shaft is removed and compact bone is laid down to reconstruct the shaft.