Types of Degeneration

Question 1

Calcium infiltration into normal tissue. E.g. Hypervitaminosis D.

Answer 1

Calcification, metastatic

Question 2

Calcium infiltration into abnormal/damaged tissue.

E.g. atherosclerosis or atheroma. Damage to tunica intima.

Answer 2

Calcification, dystrophic

Question 3

Tuberculosis

Answer 3

Caseous

Question 4

Albuminous. Membrane injured which effects ionic transfer.

Answer 4

Cloudy Swelling

Question 5

Infarction (MI)

Answer 5

Coagulation

Question 6

Pancreas

Answer 6

Enzymatic

Question 7

Liver, aka “nutmeg liver”. In Heart = “Tabby cat heart”. Fatty dot • Fatty streak •
Atheroma (fatty plaque) • fibroatheroma (fibrous tissue, calcium)

Answer 7

Fatty

Question 8

CNS (e.g. Brain melts, tertiary syphilis, leprosy) or Skin (if from infection)

Answer 8

Liquefaction

Question 9

Peripheral nerves. Degenerates to the next Node of Ranvier. “Diving back Phenomenon”

Answer 9

Wallerian

Question 10

Hvaline. Most common in skeletal muscle. Muscle replaced with hyaline.

Answer 10

Zenker’s (Waxy)

Question 11

Nuclear rupture

Answer 11

Karyolysis

Question 12

Nuclear swelling

Answer 12

Karyorrhexis

Question 13

Nuclear Condensation

Answer 13

Pyknosis