Atrophy - Answers E. Cells decrease in size
P. Still functional
Physiologic: thymus gland in early childhood
Pathological: disuse
Hypertrophy - Answers E. Increase in cell size
P. Increased workload
Physiologic: weightlifting
Pathologic: cardiomegaly from HTN
Hyperplasia - Answers E. Increase in cell number
P. Increased cellular division
Physiologic: liver regeneration
Pathologic: endometrial- usually r/t hormones
Dysplasia - Answers E. Cells change in size, shape, organization
P. AKA atypical hyperplasia, a disorderly proliferation
Physiologic: N/A
Pathologic: squamous dysplasia of cervix from HPV
Metaplasia - Answers E. one cell type replaced with another
P. reprogramming of stem cells, reversible
Physiologic: N/A
Pathologic: stratified squamous cells in bronchial lining r/t cigarette smoke
Hypoxia injury - Answers E. inadequate oxygenation of tissues
P. decrease in mitochondrial function, decreased production of ATP increases anaerobic
metabolism. eventual cell death.
C.M. hypoxia, cyanosis, cognitive impairment, lethargy
Free radical and ROS - Answers E. normal byproduct of ATP production, will overwhelm the
, mitochondria- exhaust intracellular antioxidants
P. lipid peroxidation, damage proteins, fragment DNA
C.M. development in Alzheimer's, heart disease, Parkinson's disease, Amyotrophic Lateral
Sclerosis
Ethanol - Answers E. mood altering drug, long term effects on liver and nutritional status
P. metabolized by liver, generates free radicals
C.M. CNS depression, nutrient deficiencies-Mag, Vit B6, thiamine, PO4, inflammation and fatty
infiltration of liver, hepatomegaly, leads to liver failure irreversible
Oncosis - Answers Na and H2O enter cell and cause swelling. Organ increases in weight,
becomes distended and pale. Associated with high fever, hypocalcemia, certain infections
Fatty Infiltration - Answers intracellular accumulation of lipids in the liver
liver fails to metabolize lipids. usually from ETOH or high fat diet. can lead to cirrhosis
dystrophic calcification - Answers accumulation of Ca in dead or dying tissues
calcium salt clump and harden- interfere with cellular structure and function
r/t pulmonary TB, atherosclerosis, injured heart valves, chronic pancreatitis
metastatic calcification - Answers accumulation of Ca in normal tissue
result of hypercalcemia r/t hyperparathyroidism, hyperthyroidism, toxic levels of Vit D. Can also
r/t hyperphosphatemia in renal failure
urate accumulation - Answers sodium urate crystals are deposited in tissues- group of
disorders collectively called gout- acute arthritis, chronic gouty arthritis, tophus, nephritis
Coagulative Necrosis - Answers kidneys, heart, adrenals- secondary to hypoxia
Liquefactive Necrosis - Answers nerve cells- brain- accumulation of pus
Caseous Necrosis - Answers lung disease- usually TB- tissue looks like clumped cheese
Fat Necrosis - Answers breast, pancreas, abdominal structures- creates soaps
Gangrenous Necrosis - Answers Dry- dark shriveled skin
Wet- internal organs- can lead to death
Gas- from clostridium- antitoxins and hyperbaric therapy