Bio425_Lab5.pdf - BMCC Bio425 Lab 5 Histology Lab manual...

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BMCC Bio425 Lab 5 Histology Lab manual – section 5
© 2013 Pearson Education, Inc. Histology: The study of tissues Tissues are made up of two main components Living cells Non-living extracellular matrix For every tissue you need to know both the cell type and the main components of the matrix Cell Matrix
© 2013 Pearson Education, Inc. We will begin this lab by looking at the histology of the trachea. This is a trachea. Figure 5-1 in the lab manual is a slide of a cross section (or transverse section) of the trachea Transverse section is a cut through the horizontal plane
Which of these lumens is part of the trachea? Anterior Posterior Complete step 1.a. on page 43 lumen lum en What is the other structure? Transverse section of trachea and esophagus Read the Introduction and Part A: Examining the Trachea
Notice the black box on the trachea picture. Anterior Posterior This box is indicating that this area will be magnified in the next picture.
© 2013 Pearson Education, Inc. Continue reading on page 44. Examine Figure 5.2 Complete steps 2 and 3 and fully read page 44. Magnified view of section in Fig. 5-1. Lumen of trachea Complete steps 1b, 2 and 3
What stain is used on this slide? Examine Figure 5.2 Complete steps 2 and 3 and fully read page 44. Magnified view of section in Fig. 5-1. Lumen of trachea
What molecules in the nucleus is taking up the blue-purple stain?
© 2013 Pearson Education, Inc. What molecules in the cytoplams is taking up the pink stain?
© 2013 Pearson Education, Inc. Examining tissues in different sections Remember from Lab 1 that different sections can be made.

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