CYTOLOGY for DENTISTRY - APP Eldof3a · Histology THE CELL Department It Is the structural &...
Transcript of CYTOLOGY for DENTISTRY - APP Eldof3a · Histology THE CELL Department It Is the structural &...
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Histology Department
CYTOLOGY for DENTISTRY (Practical)
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Histology Department
Practical Exam (45 Marks/3 Exams)
A. Identify the structure in the photo (0.5 mark).
B. Mention one function, site, special stain, special feature,……. (0.5 mark).
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Histology Department THE CELL
It Is the structural & functional unit of all living tissues.
Cells have different shapes & sizes.
THE CELL is made of:
1- Nucleus
2- Cytoplasm
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Histology Department CYTOPLASMIC ORGANELLES
A. Membranous:
1. Cell membrane.
2. Mitochondria.
3. Endoplasmic reticulum (rough & smooth).
4. Golgi apparatus.
5. Lysosomes.
B. Non-membranous:
1. Ribosomes.
2. Centrioles.
3. Cilia & Flagella.
4. Cytoskeleton (actin, intermediate filaments & microtubules).
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Histology Department
MEMBRANOUS ORGANELLES
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Histology Department
EM Photomicrograph of Cell Membrane (Two adjacent cell membranes)
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Histology Department
EM Photomicrograph of Rough Endoplasmic Reticulum
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Histology Department
EM Photomicrograph of Smooth Endoplasmic Reticulum
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Histology Department
EM Photomicrograph of Mitochondria
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Histology Department
EM Photomicrograph of Golgi Complex
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Histology Department
EM Photomicrograph of Lysosome (Primary & Secondary)
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Histology Department
NON-MEMBRANOUS ORGANELLES
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Histology Department
EM Photomicrograph of T.S. & L.S. of Centrioles
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Histology Department
EM Photomicrograph of Ribosomes and Polyribosomes
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Histology Department
EM Photomicrograph of Cytoskeleton
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Histology Department
EM Photomicrograph of L.S. and T.S in CILIA
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Histology Department
EM Photomicrograph of Microvilli
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Histology Department
EM Photomicrograph of Euochromatic Nucleus
Euochromatin
Heterochromatin
Nucleolus
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Histology Department
EM Photomicrograph of Heterochromatic Nucleus
Heterochromatin
Euochromatin
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Histology Department
INCLUSIONS
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Histology Department
LM Photomicrograph of glycogen granules in liver cells stained with Best’s carmine (red)
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Histology Department
LM Photomicrograph of glycogen granules in liver cells stained with PAS (magenta red)
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Histology Department
LM Photomicrograph of dissolved fat globules in fat cells stained with H&E
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Histology Department
LM Photomicrograph of fat globules in fat cells stained with Sudan III (orange)
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Histology Department
LM Photomicrograph of lipofuscin pigment in nerve cell
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Histology Department
LM Photomicrograph of lipofuscin pigment in cardiac (heart) muscle cells
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Histology Department
LM Photomicrograph of melanin pigment in skin cells
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Histology Department
LM Photomicrograph of carbon pigment in the lung
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Histology Department
LM Photomicrograph of tattoo pigment in the skin
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Histology Department
THANK YOU