Role of Pathology in Medicine Flashcards
what is epidemiology?
epidemiology is identifying who will get a disease
what is the term for the cause?
aetiology
what is pathogenesis?
pathogenesis is the manner of development of a disease
what is pathology?
pathology is the scientific study of disease
what is disease?
disease is the abnormality of the body that causes a loss of normal health
what is a sign of acute inflammation?
a lot of neutrophils present
what does a pale grey area on a CT scan show?
inflammation caused by bacterial infections
what are melanocytes?
they are at the bottom of the skin - abnormal growth of melanocytes can lead to melanoma
what do the prefixes and suffixes of disease mean?
ana - absences dys - disorder hyper - excessive hypo - deficiency meta - change from one state to another itis - inflammatory process oma - tumour osis - state or condition oid - bearing resemblance to penia - lack of cytosis - increased number of cells ecstasis - dilation plasia - disorder of growth opathy - abnormal state lacking specific characteristic
define these basic terms: hypertrophy?
excessive growth of cells - no extra cells
embolus?
when a blood clot moves from the site of origin to another site
hyperplasia?
excessive increase in number of cells
thrombus?
blood clot
fistula?
abnormal connection between 2 epithelial lined areas
neoplasia?
abnormal growth
dysplasia?
disordered growth or development of cells
metastasis?
the development of a secondary malignant growth at a site distant from primary site
differentiation grade?
what the tumour looks like, stage is the progression and whether it has moved sites
what is the difference between stage and grade?
grade is how differentiated it is whereas grade is the progression and whether it has metastasised