classification of cell types
DESCRIPTION
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. How to prepare a wet mount?. Glass slide. - PowerPoint PPT PresentationTRANSCRIPT
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
Parts Functions
coarse adjustment knob
1. Moves tube up and down to focus on specimen; use with low-power objective lens
lamp 2. source of light
fine adjustment coarse
3. moves tube up and down for SHARP focus on specimen
Body tube/arm 4. support the eyepiece
diaphragm5. regulate the amount of light reaching
specimen
revolving nosepiece 6. change the objective lenses
objective lenses7. enlarge images under 3 different
magnifications (x10, x40, x100)
stage 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