Pigments Quiz #2 Flashcards
where do exogenous pigments originate?
out side the body
where do endogenous pigments originate?
inside the body
what is the MC exogenous pigment?
coal in the air in big cities
What is accumiliation of coal in the lungs of coal mine workers is known as?
anthrocosis
what is another form of exogenous pigment placed on the skin?
tatoo
engogenous pigments that are yellow and brown are known as?
lipofuscin
What is the aka for “wear and tear” pigment?
brown atrophy
what is melanin?
black pigment
what amino acid is malanin derived from?
tyrosine
what is homogenistic acid?
pathological black pigment
Pathological intermediate that accumilates as normal metabolic intermediate?
alkaptonuria
what is hemadosiderin?
iron storage complex within the form of ferritin micells
what is hematosideris?
excess accumilation of iron; upto 50 grams
can be gentic or acquired
what is primary hemochromatosis?
gentic disease
what three characteristics of primary hemochromatosis?
liver fibrosis
pancrease damage
dna damage