EPITHELIAL TISSUE Squamous Cuboidal Columnar Simple Stratified.
Chapter 5 Histology Anatomy & Physiology. Epithelial Tissue TypesFunctions Simple cuboidalProtection...
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Transcript of Chapter 5 Histology Anatomy & Physiology. Epithelial Tissue TypesFunctions Simple cuboidalProtection...
![Page 1: Chapter 5 Histology Anatomy & Physiology. Epithelial Tissue TypesFunctions Simple cuboidalProtection Simple columnarSensory Functions Pseudostratified.](https://reader036.fdocuments.us/reader036/viewer/2022081504/56649eff5503460f94c13ce0/html5/thumbnails/1.jpg)
Chapter 5Histology
Anatomy & Physiology
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Epithelial Tissue
Types FunctionsSimple cuboidal ProtectionSimple columnar Sensory FunctionsPseudostratified ciliated SecretionStratified squamos (keratinized) AbsorptionStratified squamos (nonkeratinized) ExcretionStratified columnarTransitional
GeneralAvascular
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Simple squamous
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Simple squamous lining of lung
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Simple cuboidal
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Simple columnar
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Pseudostratified ciliated
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Stratified squamous
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Stratified squamous
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Transitional
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Exocrine glands in stomach
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secrete thei
r produc
t from
intact
cells.
Ex: salivary glands
entire cells and
their secretio
ns accumulate as
the gland's secretor
y product;
cells rupture
Ex: sebaceous (oil) glands
accumulate their secretory product at the apical surface of each cell, then separates from the cell to form a secretion in the lumen of the gland. The cells then repair themselves.
Ex: Mammary glands
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Connective Tissue
1.Areolar (loose, ordinary)2.Adipose3.Reticular4.Dense fibrous (regular)5.Dense fibrous (irregular)6.Bone7.Hyaline cartilage8.Fibrocartilage9.Elastic cartilage10.Blood
Fibrous connective
Bone
Cartilage
Blood
FunctionsStructural supportMetabolic componentsBlood componentsDefense
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Connective Tissue ALL have matrix + ground substance
Areolar(Loose, ordinary)Ground substance
Matrix
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Adipose
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Fat Storage Areas
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Reticular
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Dense Fibrous(Regular)
Parallel fibers
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Dense Fibrous(Irregular)
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Bone Functions
a. Support for muscles, organs, and soft tissues.
b. Leverage and movement
c. Protection of vital organs
d. Calcium phosphate storage
e. Hematopoiesis - formation of blood cells
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Hyaline
a. exists on the ventral ends of ribs; in the larynx, trachea, and bronchi; and on the articular surface of bones.b. slimy mass of a firm consistency, but of considerable elasticity c. contains no nerves or blood vessels
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Trachea cross-section
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Fibrocartilagea. found in the pubic symphysis, intervertebral discs, meniscusb. looks like dense regular connective tissue, but may be distinguished from them
by being surrounded by a concentrically striated area of cartilage matrix, their lacunae, and by being less flattened.
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Elastica. present in the outer ear, larynx, and epiglottisb. Elastic fibers stain darkc. Very flexible
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Blood
Plasmaa. yellow liquid component of bloodb. 55% of the total blood volumec. mostly water (92% by volume), dissolved proteins, glucose, clotting factors, mineral ions, hormones and carbon dioxide
Cellsa. erythrocytes (“red cell”)
1. most common type of blood cell2. principle means of distributing O2
b. leukocytes (“white cell”)1. defend the body against both infectious disease and foreign materials
c. thrombocytes1. main purpose for blood clotting
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Erythrocytes (RBS)
Leukocytes (WBS)
Thrombocytes (platelets)
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Muscle Tissue
1.Skeletal2.Smooth3.Cardiac
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Skeletal
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Smooth
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Cardiac
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Nervous Tissue
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Tissue Repair
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Keloid
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