Second section Flashcards
physical injury or loss of a cells normal structural integrity
trauma
types of trauma
direct contact hypothermia hyperthermia mechanical pressure micro organisms
what is direct contact truama
getting hit
hemorrhage
battles sign
raccoon eye
exposure to low temperature
hypothermia
frostbite
what happens to the cell during hypothermia
cell freezes
increases in size
ruptures the cell membrane
what does hypothermia lead to
amputation
non reversable damage
exposure to high temperature
hyperthermia
exposure to fire causes
greater than 42 degrees C
protein coagulation occurs
transformation of carbon
exposure to high temp via ionizing rad
release of heat energy by ionizing particles
leads to burns
exposure to electric current
high voltage can burn
what is mechanical cell pressure
pressure atrophy
cells are crushed as they cannot resist the pressure
what are the types of mechanical pressure
tumor
aneurysm
high intensity sound
kidney stones
common sites of aneurysm
congenital weak muscular layers of arteries
cerebral arteries near bifurcations are a common site
subarachnoid hemorrhagic stroke–> rupture
how do kidney stones cause mechanical pressure
accumulation of urine- cannot compress fluid increased hydrostatic pressure- in the kidney
which will raise osmotic pressure
two particular microorganisms causing trauma
malaria
echinococcus
where does malaria develope?
within the red blood cell
what type of mosquito carries the malaria plasmodium
anaphelus mosquito
how does malaria proceed
protozoa infects the red blood cells causing them to rupture every few days
what is echinococcus
a worm
how is echinococcus acquired
eat infected meat with the worms eggs
where does the echinococcus cause the most issues
liver
brain
kidney
what does the echinococcus parasite look like
a balloon cyts
infects any tissue and will rupture the surrounding cells
cloudy swelling
hydropic degeneration
hydropic changes
what happens in hydropic changes
problems in one area cause steps that lead to problems in the entire body
hydropic changes in nephron tubule process
Na moves into the ICF easily ATP is required to remove it cell damage may injure the mitochondria no more ATP Na cant leave increase in Na causes an increase in osmotic pressure inside the cell so water moves into the cell to balance the concentration causing cell distention
what is steatosis
fattty changes
accumulation of fatty acid within the cell
where are common fatty acid accumulation sites
liver
kidneys
heart
what causes steatosis
protein malnutrition intoxication cardiac anoxia obesity diabetes mellitus alcohol
what is the process of steatosis in the liver
hepatocytes produce lipoprotiens from free fatty acids and amino acids
if alcoholic intoxication of hepatocytes
if bad diet not enough AA the FA will accumulate
hepatocytes get distended and cant function
cause pressure of adjacent cells
scar tissue from long term compression
liver failure
what are residual bodies
intracellular accumulation of damaged cell parts. lysosome did not engulf all of the damaged parts they are left as separate isolated bodies
what is the aka for hyaline changes
hyalinization
what do hyaline changes look like
pink glass like protein accumulation intracellularly or intercellularly(extracellular)
looks like hyaline cartilage under a microscpore but isnt hyaline it is protine
which type of hyaline change is not dangerious
intracellular
within the cell
reabsorprtion droplets are
droplets of protein
abnormal protein loss in urine tubules try to reabsorb
cells become filled with protein droplets
no more protein in excreted in urine protein droplets will be release back into the urine over time and tubule cells will return to normal
mallory bodies are
mallory alcoholic hyaline
found in the liver-hepatocytes
it is reverable
where are russell bodies found
in cytoplasm
what is the most common Mal tumor in adults
multiple myeloma
aka plasma cell myeloma
plasma cell dyscrasias
beta cell neoplams that have in common the expansion of a single clone of immunoglobulin secreting cells and resultant increase in serum levels of immunoglobulin or its fragments
death 3-5 years
malignant condition; uncontrolled proliferation and disorder function of plasma cells in bone marrow
multiple myeloma
dutcher bodies are found where
in the cells nuclei
waldenstrom Macroglobulinemia akas
hyperviscosity syndrome
lymphoplasmocytic lymphoma
what causes waldenstrom
monoclonal tumor
cancer of B lymphocytes resulting in the over production of IgM antibodies
russell and dutcher bodies are commonly seen with what
in waldenstrom macroglobulinema cancer
intercellular deposites are
dangerous
obstruct small lumen
intercellular deposition can cause
tissue necrosis because of ischemia or infarc
increased brittleness of vessels causing intracerebral hemorrhagic stroke
what in an amyloid
generic term for variety of proteinaceous materials that are abnormally deposited in tissue interstitium
alternative metabolism is
oxidative phosphorylation in the absence of O2 cell will look for an alternate supply of energy
what is an altered size adaptive response?
hypertorphy
atrophy
cell/organ enlargement in response to increase demands
hypertrophy
hypertrophy of the heart
increased resistance
increased pressure due to hypertension
heart works harder and enlarges
increased wall thinkness
shrinking due to decreased demands
atrophy
osteoporosis results from
disuse but commonly due to hormonal changes
inner portion or bone is gone causing
fractures
normal bone loss in a year for men and women
0.7%