fractures

when bone fractures:

what forms at site of break

hematoma

collection of blood resulting from high vascularity of bones

hematoma

hematoma is a collection of….

blood

hematomas can cause…

nearby bone cells to die by blocking their blood supply

when hematomas form, what two cells begin to act..

chondrocyte

osteoblasts

cell that stabalizes a fracture by forming calleous

chondrocyte

chondrocytes stabilize a fracture by forming…

calleous

thickened part of soft tissue are called

calleous

what are the two types of callouses

internal callous

external callous

callous made up of cartilage

internal callous

callous made up of cartilage and bone

external cartilage

external callous is made up of

cartilage and bone

internal callous is made up of

cartilage

cells that remove damage portion of bone clearing way for repair

osteoblasts

cells that begin remodeling phase

osteoblasts

osteoblast function during a fracture

remove damaged bone starting remodeling phase to replace it with new bone

what are two cells that are at work when fractures occur

osteoblasts

chondrocytes

different kinds of fractures:

fracture that does not penetrate skin

closed fracture

different kinds of fractures:

• when broken bone is contained within body

closed fracture

different kinds of fractures:

• fracture with a minimal risk of infection or external bleeding

closed fracture

closed fractures are also called

simple fractures

different kinds of fractures:

simple fractures are also called

closed fractures

different kinds of fractures:

• fracture penetrates through skin

open fracture

different kinds of fractures:

• fracture that exposes bone and deep tissue to external environment

open fracture

different kinds of fractures:

• open fractures are also known as

compound fractures

different kinds of fractures:

• fracture where bones shatter into 3 or more pieces

comminuted

different kinds of fractures:

• occurs due to high impact trauma

comminuted

different kinds of fractures:

• impacted structures are also known as

buckle fractures

different kinds of fractures:

• when ends of bone are driven into eachother

impacted

different kinds of fractures:

• 2 types of fractures most commonly seen amongst children

impacted

greenstick

different kinds of fractures:

• bone breaks and cracks but does not break all the way through

greenstick

different kinds of fractures:

close fracture

does not penetrate skin

different kinds of fractures:

open fracture

fracture penetrates through skin

different kinds of fractures:

comminuted fracture

where bone shatters into 3 or more peices

different kinds of fractures:

impacted fracture

ends of bone drive into eachother

different kinds of fractures:

greenstick

bone breaks and cracks but does not break all the way through

when muscles are moving, there are two groups, what are they and what do they do

• contracting muscle