types of tissue properties of epithelia
TRANSCRIPT
Types of Tissue
• Epithelial Tissue • Connective Tissue • Muscle Tissue • Nervous Tissue
1
Properties of Epithelia
• Cellularity • Polarity • Avascularity • Regeneration
2
Cuboidal epithelium
Simple columnar epithelium
Simple squamous epithelium
Pseudostratified columnar epithelium
Stratified squamous epithelium
Epithelial Tissue
3
Apical surface
Basal surface Basal lamina
40 µ
m
Polarity of epithelia
4
5
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Squamous Cuboidal Columnar
Simple
(a) Classes of epithelium
Pseudostratified columnar
Stratified
(b) Cell shapes
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7 8
9 10
11 12
13 14
15
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
16
Blood
Connective Tissue
Plasma White blood cells
55 µ
m
Red blood cells Cartilage
Chondrocytes
Chondroitin sulfate
100 µ
m
Adipose tissue
Fat droplets
150 µ
m
Bone
Central canal
Osteon
700 µ
m
Nuclei
Fibrous connective tissue
Elastic fiber
30 µ
m
120 µ
m
Collagenous fiber
Loose connective tissue
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33
Muscle Tissue
Skeletal muscle Nuclei
Muscle fiber Sarcomere
100 µm
Smooth muscle Cardiac muscle
Nucleus Muscle fibers 25 µm Nucleus Intercalated disk 50 µm
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35 36
37 38
Nervous Tissue
Neurons
Neuron: Dendrites
Cell body
Axon
(Fluorescent LM)
40 µ
m
Glia Glia
Axons of neurons
Blood vessel
(Confocal LM)
15 µm
39 40
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