1. Medical School Histology: Images of the Rat Intestine
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Dr. Larry Johnson Texas A&M University

2. Observe/manipulate the images on your computer

3. FOUR BASIC TYPES OF TISSUES IN THE BODY -----------------------------------------------
Epithelium Connective tissue
Muscular tissue Nervous tissue

4. Epithelium Distinguishing features of epithelium
Always sit on a basement membrane, but come in a variety of configurations: classified on the basis of their shape and of the surface cells and whether one (simple) or more (stratified) layers of cells are stacked upon each other.
These cells are always attached to their neighbors by desmosomes, tight junctions, and gap junctions.

5. CELLS, CELLULAR STRUCTURES,
AND GROUPS OF CELLS IN
THE DIGESTIVE SYSTEM

6. LAMINA PROPRIA
CONNECTIVE TISSUE BETWEEN INTESTINAL GLANDS AND FORMS CORES OF INTESTINAL VILLI
CENTRAL LACTEAL
LARGE NUMBERS OF LYMPHOCYTES, PLASMA CELLS, EOSINOPHILS, MAST CELLS, AND MACROPHAGES
SMOOTH MUSCLE INNERVATED BY MEISSNER’S PLEXES

7. 32409 rat intestine

8. Goblet cells of ileum, monkey
250

9. Terminal
bars
Terminal
bars
Terminal
bars

10. Terminal
bars

11. Download actual images at
Intestine toluidine blue –

12. The End