Practical Histology 2 PDF
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Mansoura University
Dr. M. Sh
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Summary
This document contains information about practical histology, covering cell structure, organelles such as mitochondria and endoplasmic reticulum, and details about microscopy techniques like TEM. It includes illustrations and questions for study.
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Histology practical (2) Cell structure Histology Molecular structure of cell membrane Q Identify 1, 2, 3? ① Phospholipids. ② Transmembranous protein. ③ Glycogen chain of Glycolipid. Histology TEM of...
Histology practical (2) Cell structure Histology Molecular structure of cell membrane Q Identify 1, 2, 3? ① Phospholipids. ② Transmembranous protein. ③ Glycogen chain of Glycolipid. Histology TEM of cell membrane Q Mention the thickness? 7.5-10 nm. Q Appears by transmission electron microscope (TEM) as: Trilaminar. Histology TEM of Mitochondria Q Identify the organelle? Mitochondria. Q Mention its function? Energy production. Histology Free Ribosomes Q Identify the organelle? Free Ribosomes (polysomes) Q Mention its function? Synthesis of protein for the use of the cell. Histology Endoplasmic Reticulum Rough Endoplasmic Reticulum (RER) Smooth Endoplasmic Reticulum (SER) Q Identify the organelle? Q Identify the organelle? Rough Endoplasmic Reticulum (RER) Smooth Endoplasmic Reticulum (SER) Q Mention its function? Q Mention 2 function? Synthesis of protein, mostly to be secreted outside the cell. Lipid metabolism. Detoxification of alcohol and drugs. Q Name organ rich in this organelle? Liver. Histology Golgi Apparatus Q Identify the organelle? Golgi apparatus. Q Mention its function? Concentration of protein to be secreted. Histology Lysosomes Q Identify (A), (B), (C)? A: Heterolysosome. B: Multivesicular body. C: Primary lysosome. Histology Microfilaments Q Identify the types of Filaments: (A), (B)? A: Actin filaments. B: Myosin filaments. Histology Centrioles Q Identify the organelle? Two centrioles. Q Mention its function? Form the basal bodies of cilia. Cell division. Histology Cilia Q Identify the organelle? Cilia. Q Mention the internal structure of A,B? A: 9 peripheral doublets + 2 central microtubules. B: 9 triplets of microtubules. Q Mention 2 Sites? Trachea. Fallopian tube. Histology Q Identify? Shaft of Cilia. Q Identify? Cilia by Scanning EM. Q Mention its internal structure? 9 peripheral doublets + 2 central microtubules
