Medical School Histology: Images of the Rat Intestine

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Presentation transcript:

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

Observe/manipulate the images on your computer

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

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.

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

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

32409 rat intestine

Goblet cells of ileum, monkey 250

Terminal bars Terminal bars Terminal bars

Terminal bars

Download actual images at Intestine toluidine blue 32409 – http://viewer.serenusview.com/LinkHandler.axd?LinkId=469f3768-acb7-4ef3-aa82-2bdd18f77dc6

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