Types of Tissue Epithelial Tissue Connective Tissue Muscle

Types of Tissue • Epithelial Tissue • Connective Tissue • Muscle Tissue • Nervous Tissue 1

Properties of Epithelia • Cellularity • Polarity • Avascularity • Regeneration 2

Epithelial Tissue Stratified squamous epithelium Cuboidal epithelium Simple columnar epithelium Simple squamous epithelium Pseudostratified columnar epithelium 3

Apical surface Basal surface 40 m Basal lamina Polarity of epithelia 4

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Copyright © The Mc. Graw-Hill Companies, Inc. Permission required for reproduction or display. (a) Classes of epithelium Simple Pseudostratified columnar Stratified (b) Cell shapes Squamous Cuboidal Columnar 6

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Constituents of Connective Tissues 1. Cells A. Blasts B. Cytes C. Clasts 2. Extracellular Matrix A. Ground Substance B. Fibers I. Collagenous II. Elastic III. Reticular 15

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Connective Tissue Loose connective tissue Blood Collagenous fiber Plasma 55 m 120 m White blood cells Elastic fiber Red blood cells Cartilage Fibrous connective tissue 30 m 100 m Chondrocytes Chondroitin sulfate Nuclei Adipose tissue Central canal Fat droplets Osteon 150 m 700 m Bone 17

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Muscle Tissue Skeletal muscle Nuclei Muscle fiber Sarcomere 100 m Smooth muscle Nucleus Muscle fibers Cardiac muscle 25 m Nucleus Intercalated disk 50 m 34

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Nervous Tissue Neurons Glia 15 m Neuron: Dendrites Cell body Axons of neurons 40 m Axon Blood vessel (Fluorescent LM) (Confocal LM) 39

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