Introduction to Pathology Flashcards
What are the 3 types of disease behaviour?
acute self limiting
chronic
progressive
What is aetiology?
what causes disease
What is pathogenesis?
how a disease develops and progresses
how an individual disease develops and prgresses
What are the 2 broad categories in terms of aetiology?
genetic factors
environmental factors
What are the 2 categories of genetic factors?
host or acquired
What are the 3 basic pathological mechanisms?
inflammation
neoplasia
circulatory disorders
What is neoplasia?
tumour formation
What are the 2 categories of inflammation?
acute
chronic
What are the 2 categories of tumours?
benign
malignant (cancer)
What are 3 categories of circulatory disorders?
thrombosis
embolism
infarction
What is infarction?
death of tissue resulting from a failure of blood supply
by thrombosis
What blood vessel can embolism be critical?
venous circulation
possibly in lungs
What is macroscopic features?
naked eye features of disease
What process is going on here?
Inflammatory process
What is normal and what is diseased? How can you tell?
Left is diseased
Right is normal
The diseased side had larger nuclei