Tissues Project Jordan Rudack
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Transcript of Tissues Project Jordan Rudack
![Page 1: Tissues Project Jordan Rudack](https://reader033.fdocuments.in/reader033/viewer/2022060111/556749ced8b42a5a3e8b4f20/html5/thumbnails/1.jpg)
Tissues
• Similar in structure and function
• Four Types– Epithelial – Connective– Muscular– Nervous
Epithelial Connective Nervous Muscular Credits
Human Tissue
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Epithelial• Cellularity• Special Contacts
– Junctions & Desmosomes• Polarity
– Apical & Basal• Avascular but Innervted• Regenerative• Classified by simple or
squamous
Simple Stratified
Epithelial Tissue
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Simple Epithelial
• Single Layer• Four Types
– Squamous– Cuboidal– Columnar– Psuedostratified Columnar
Squamous Cuboidal Columnar Psuedostratified Columnar
Simple Epitheial Tissue
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Simple Squamous
• Single Layer of Flat Cells• Functions
– Diffusion, Filteration, Provides Friction
• Found in:– Kidneys, Glomeruli, Lining
of Heart, Blood vessels, Lymphatic Vessels & Serosae
Simple Cuboidal Simple Columnar Psuedostratified Columnar
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Simple Cuboidal
• Single Layer of Cube Shaped Cells
• Functions• Secretion & Absorption
• Present in:• Kidney Tubules, Ducts &
Glands, & Ovary Surface
Simple Squamous Simple Columnar Psuedostratified Columnar
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Simple Columnar• Single Layer of tall shaped
cells• Some contain Cilia• Goblet Cells• Functions;
• Absorption & Secretion• Nonciliated: Lines Digestive
tract & Gallbladder• Ciliated: Lines bronchi,
uterine tubes & some regions of uterus
Simple Squamous Simple Cuboidal Psuedostratified Columnar
Simple Columnar Epithelial
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Psuedostratified Columnar• Single layer w/ Different
Heights• Nuclei seen at different
layers• Function- Secretion &
Propulsion of Mucus• Found in:
• Male Sperm- carrying ducts & Large Glands
• Ciliated found in:• Trachea & Upper respiratory
tract
Simple Squamous Simple Cuboidal Simple Columnar
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Stratified Epithelial
• Two or more Layers of Cells
• Four types:– Squamous, Cuboidal,
Columnar, Transitional
Strat. Squamous Strat. Cuboidal Strat. Columnar Transitional
Stratified Epithelial
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Stratified Squamous
• Thick Membrane w/ multiple layers
• Most Widespread• Protects• Keratinized &
NonKerantinized• Keratinized- External part of
epidermis• Non- Keratinized- lines
esophagus, mouth, & vagina
Strat. Cuboidal Strat. Columnar Transitional
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Stratified Cuboidal
• Typically 2 cell layers• Rare• Found in Sweat and
Mammary Gland
Strat. Columnar Strat. Squamous Transitional
Stratified Cuboidal
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Stratified Columnar
• Limited Distribution in body
• Found in:– Pharynx, male urethra,
lining of glandular ducts, and transition areas between tissues
• Apical layer = Columnar
Strat. Squamous Strat. Cuboidal Transitional
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Transitional
• Several Cell Layers• Basal cells are Cuboidal• Surface cells are dome
shaped• Stretchy• Lines:
• Urinary bladder, ureters, & part of urethra
Strat. Squamous Strat. Cuboidal Strat. Columnar
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Connective Tissue
• Most Abundant• Found through out the body• Four Types:
– Connective Tissue Proper, Cartilige, Bone, Blood
• Function: Binding and Support, Protection, Insulation, Transportation
• Common Origin• Degrees of vascularity• Non-living extracellular matrix
• Cartilage
Connective Tiss. Proper Cartilage Bone Blood
Connective Tissue
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Connective Tissue Proper
• 2 Subclasses– Loose and Dense
• Majority of mature Connective Tissue
Loose Connective Dense Connective
Connective Tissue Proper
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Loose Connective Tissue
• Three Types• Areolar• Adiopose• Reticular
Adiopose Areolar Reticular
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Areolar Connective Tissue
• Gel- Like Matrix• Cushions Organ• Widely Distributed• Contain:
• Fibroblasts• Macrophages• Mast Cells• White Blood Cells
Adiopose Reticular
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Adipose (Fat)• Similar Matrix to Areolar• Closely packed Adiopocytes• Function:
– Stores & reserves Food– Insulates– Supports and protects
• Located: • Under skin, In abdomen,
Around Kidneys, In breasts• Serve Nutrient Needs
Areolar Reticular
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Reticular
• Loose Ground Substance• Reticular Fibers• Forms soft internal
skeleton• Found in:
• Lymph nodes• Spleen• Bone Marrow
Areolar Adipose
Reticular Connective Tissue
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Dense ConnectiveTissue
• 2 types– Regular & Irregular
• Fibers are predominant element
Dense Regular Dense Irregular
Dense Connective Tissue
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Dense Regular
• Special Contacts– Junctions & Desmosomes
• Polarity– Apical & Basal
• Avascular but Innervted• Regenerative• Classified by simple or
squamous
Dense Irregular
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Dense Irregular• Same Structural Elements
as Regular• Thicker irregular collagen
fibers• Forms sheets in tension
areas• Fiberous joint capsules &
fiberous coverings surrounding some organs
Dense Regular
Dense Irregular
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Cartilage • Withstands Tension &
Condension• Tough but flexible• Avascular & lacks nerves
fibers• Chondroblasts• 80% water• Heals slowly• 3 Types: Hyaline, Elastic,
Fibrocartilage
Hyaline Cartilage Elastic Cartilage Fibrocartilage
Cartilage
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Hyaline Cartilage• Most Abundant• Many Collagen Fibers• Matrix appears glassy• Functions: Supports and
Reinforces, Cushions, Resists Compression stress
• Found:• Embryonic skeletons• Ends of long bones• Nose• Trachea• Larynx• Costal cartilage of ribs
Elastic Cartilage Fibrocartilage
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Elastic Cartilage• Cellularity• Special Contacts
– Junctions & Desmosomes• Polarity
– Apical & Basal• Avascular but Innervted• Regenerative• Classified by simple or
squamous
Hyaline Cartilage Fibrocartilage
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Fibrocartilage• Matrix similar to Hyaline• Rows of Chondrocytes
alternating with thick collagen fibers
• Compressive but resists Tension
• Supports & withstands heavy pressure
• Found in:• Intervertabral discs• Spongey cartilage of knee
Hyaline Cartilage Elastic Cartilage
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Bone• Rock-Like hardness• Supports & Protects Body• Provides cavities for fat
storage & synthesis of blood cells
• Added matrix element: Inorganic Calcium salts
• Marrow is site for hemotopolesis
• Stores:– Calcium, Minerals, Fat
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Blood• Fluid w/in Blood Vessels• Most atypicial• Made up of Blood Cells• Main function:
Transportation
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Muscular Tissue• Highly cellular• Well Vascularized• Responsible for majority
of bodily movement• Posses myofiliments• 3 Types
– Skeletal– Cardiac– Smooth
Skeletal Cardiac Smooth
Muscular Tissue
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Skeletal Muscle• Attached to Bone• Forms Flesh• Cause movement of
bones• Muscle Fibers• Classified by simple or
squamous
Cardiac Muscle Smooth Muscle
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Cardiac Muscle• Found in walls of heart• Propels Blood• Uninucleate• Branching Cells
Skeletal Muscle Smooth Muscle
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Smooth Muscle• No Visible Striations• Spindle-shaped cells• Found in walls of hollow
organs• Squeezes substances
through organs
Skeletal Muscle Cardiac Muscle
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Nervous Tissue• Main component of
Nervous System• Neurons• Various Support Cells
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Credits• Pictures
– Tissues-www.bioscience.co.uk/cytomyx.asp – Epithelial-
nte-serveur.univ-lyon1.fr/.../epithelial1.html – Simple Epithelial- micro.magnet.fsu.edu– Simple Columnar-www.bluegrass.kctcs.edu – Stratified
Epithelial-www.gwc.maricopa.edu/.../histoprc/prac17a.htm
– Stratified cuboidal-http://w3.ouhsc.edu/histology/Text%20Sections/Epithelium.html
– Connective Tissue-cytochemistry.net – Connective Tissue Proper- anatomy.iupui.edu
– Reticular Connective Proper-www.udel.edu/.../histopage/colorpage/cct/cct.htm
– Dense Irregular-missinglink.ucsf.edu – Cartilage-
www.abcam.com/ps/datasheet/images/ab13976_1.jpg
– All Others picture from- Jordan Rudack, John Peters, Cameron Zachery
– Muscular Tissue- http://www.up.ac.za/academic/medicine/telemed/Hist/spier/spier01e.html
• Sounds– By Jordan Rudack– End credits- Kanye West: Good Life