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20 Cards in this Set

  • Front
  • Back
What definition of histology was given in class?
The study of microscopic anatomy.
What are the primary indicators of magnification?
Red blood cell size, nuclear size, & cell size.
What are some approaches to slides with unusual staining?
Look for recognizable structures, and compare nuclear and cytoplamsic staining.
How big is a typical red blood cell?
7 microns in diameter.
What is the most common stain used for histological slides?
Hematoxylin-eosin (or "H & E").
What colors do nuclei, RBC's, and other tissues show up when using H & E?
Blue/purple, red, and pinkish.
Lipids and mucus can be _________ or _________ for tissue processing
fixed, extracted
Mucus cells are sometimes identified by the lack of ________.
_________ cells line blood vessels.
Any true "open space" in the body will be lined by _________ cells
Which type of cell will stand out on a slide because the high density of nuclei?
A lightly-stained nucelus indicates that it is ________, or transcriptionally _________.
euchromatic, active
A dark-stained nucleus indicates that it is __________, or transcriptionally ________.
heterochromatic, inactive
What cell structures are usually basophilic?
Those that contain nucleic acids, notably the nucleus and ribosomes.
What structures in the cell tend to be acidophilic?
Proteins, so most of the cell tends to appear red or pink.
What are the four types of tissue?
Nervous, connective, muscle, and epithelial.
What are some unique characteristics of nervous tissue?
Composed of neurons and neuroglia, primarily designed to respond to stimuli, all such tissue characterized by axons.
What are some unique characteristics of connective tissue?
Involved in structure and support, largely a non-living tissue, cells separated by an extracellular matrix.
What are some unique characteristics of muscle tissue?
Contractile tissue, anchored by tendons to bone.
What are some unique characteristics of epithelial tissue?
Comprised of a layer of cells, line outside and inside cavities and lumen in body, can secrete and absorb.