CLASSIFICATION OF CELL TYPES

Cell analogy: a cell factory

Using cells to print 3D organs

http://www.ted.com/talks/anthony_atala_printing_a_human_kidney.html

Parts of a light microscope

http://virtualurchin.stanford.edu/microscope.htm

Parts Functions

1. Moves tube up and down to focus on specimen; use with low-power objective lens

2. source of light

3. moves tube up and down for SHARP focus on specimen

4. support the eyepiece

5. regulate the amount of light reaching specimen

6. change the objective lens

7. enlarge images under 3 different magnifications (x4,x10,x40)

8. support the microscope slide

How to prepare a wet mount?

Glass slide

Cover slip

Tranmission Electron Microscope (TEM)

TEM image: chloroplast

Scanning electron microscope (SEM)

SEM images

E. coli

Dust mite

12

4

3

5

I. SEM images: 1. ant, 2 & 4 pollens, 3. freshwater shrimp parasite, 5. greenbottle fly foot

• Genus Demodex; live exclusively on human

• 2 species: D.folliculorum (top) and  D.brevis (bottom) 

Future as a Microscope specialist

Jennifer Melo

Microscope Specialist/ Account Manager SW Ontario

Practice: Use a Venn diagram to show both the different and similar organelles of plant and animal cells