How To Examine Cells And Tissues Flashcards
Define tissue?
Woven, collection of cells working together to perform a function.
Name the 4 different types of tissue?
Epithelial, nervous, muscle, connective
What is the standard measurement of a cell?
Micron (micrometers)
What is resolution?
Smallest distance by which two objects can be separated and still be distinguishable by two separate objects.
Name common biopsy techniques?
Curettage, needle, transvascular, swab, venepuncture, pipelle
What tissue can be examined through venepuncture?
Blood
What tissue can curettage examine?
Endometrial
What tissue can aspiration and biopsy examine?
Bone marrow
What tissue can a swab examine?
Cheek
What tissue can a transvascular biopsy examine?
Heart
Why do tissues have to be fixed?
So crosslinks form between proteins so they are held in place.
What are some common fixatives?
2-formalin solution (buffered)
1-formalin solution (unbuffered0 causes tissue to swell)
Why does shrinking and artefacts occur on slides?
