Final Project 2
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Transcript of Final Project 2
TissuesTissues
• Four basic tissuesFour basic tissues
• Compose all the Compose all the organsorgans
• Make up all the Make up all the structures and structures and body contentbody content
Epithelial/ Connective/ Muscle/ Nerve/ Credits
Epithelial TissueEpithelial Tissue
• Widespread Widespread throughout bodythroughout body
• Covers all body Covers all body surfacessurfaces
• Major tissue in Major tissue in glandsglands
Tissues/ Stratified/ Simple
Simple TissueSimple Tissue
• Functions:Functions:
• AbsorptionAbsorption
• SecretionSecretion
• FiltrationFiltration
Tissues/ Epithelial/ columnar/ pseudostratified columnar/ cuboidal/ squamous
Simple ColumnarSimple Columnar
• Elongated column Elongated column shaped cellsshaped cells
• Located near base Located near base of cellsof cells
• Specialized for Specialized for sensory receptionsensory reception
Tissues/ simple/ pseudostratified columnar/ cuboidal/ squamous
Simple PseudostratifiedSimple Pseudostratified
• More than one More than one layer of cellslayer of cells
• Disposed at Disposed at different levelsdifferent levels
• Illusion of cellular Illusion of cellular stratificationstratification
Tissues/ simple/ columnar/ cuboidal/ squamous
Simple CuboidalSimple Cuboidal
• Square shapedSquare shaped
• Spherical nucleus Spherical nucleus in the centerin the center
• Found in kidney Found in kidney tubules and gland tubules and gland ductsducts
Tissues/ simple/ pseudostratified columnar/ squamous/ columnar
Simple SquamousSimple Squamous
• Flattened cellsFlattened cells
• Disc-shaped nucleiDisc-shaped nuclei
• Sparse cytoplasmSparse cytoplasm
Tissues/ simpele/ columnar/ pseudostratified columnar/ cuboidal
Stratified TissueStratified Tissue
• Withstand wear Withstand wear and tearand tear
• Composed of Composed of several layersseveral layers
• Top cells flat and Top cells flat and scalyscaly
Tissues/ Epithelial/ columnar/ transitional/ squamous/ cuboidal
Stratified ColumnarStratified Columnar
• Not very commonNot very common
• Found in bulbar Found in bulbar conjunctivaconjunctiva
• Limited distributionLimited distribution
Tissues/ stratified/ transitional/ cuboidal/ squamous
Stratified Transitional Stratified Transitional ColumnarColumnar• Dome-shaped Dome-shaped
surface prevents surface prevents urine from contact urine from contact tissuestissues
• Can stretch in Can stretch in responds to responds to bladder fillingbladder filling
Tissues/ stratified/ columnar/ cuboidal/ squamous
Stratified CuboidalStratified Cuboidal
• Dome-shaped Dome-shaped surface prevents surface prevents urine from contact urine from contact tissuestissues
• Can stretch in Can stretch in responds to responds to bladder fillingbladder filling
Tissues/ stratified/ columnar/ transitional/ squamous
Stratified SquamousStratified Squamous
• Most widespreadMost widespread
• Several thick layersSeveral thick layers
• Protective role in Protective role in the bodythe body
Tissues/ stratified/ columnar/ transitional/ cuboidal
Connective TissueConnective Tissue
• Bind structures Bind structures togethertogether
• Form frameworkForm framework
• Supports organsSupports organs
Tissues/ proper/ cartilage/ bones/ blood
Connective ProperConnective Proper
• Has two subclassesHas two subclasses
• Loose connectiveLoose connective
• Dense connectiveDense connective
Tissue/ connective/ loose/ dense
Connective Loose TissueConnective Loose Tissue
• SupportsSupports
• BindsBinds
• Structures and Structures and body parts of other body parts of other tissuestissues
Tissues/ proper/ adipose/ reticular/ areolar
Loose Adipose TissueLoose Adipose Tissue
• Cells packed tightly Cells packed tightly togethertogether
• Adipose tissue is Adipose tissue is richly vascularizedrichly vascularized
• Develops most Develops most anywhereanywhere
Tissues/ loose/ reticular/ areolar
Loose Reticular tissueLoose Reticular tissue
• Similar to areolar Similar to areolar tissuetissue
• Reticular fibersReticular fibers
• Reticular cells Reticular cells spread throughoutspread throughout
Tissues/ loose/ adipose/ areolar
Loose Areolar TissueLoose Areolar Tissue
• Supports and binds Supports and binds tissuestissues
• Holding body fluidsHolding body fluids
• Defending against Defending against infectionsinfections
Tissues/ loose/ adipose/ reticular
Connective Dense TissueConnective Dense Tissue
• Collagen bundled Collagen bundled in parallel patternin parallel pattern
• Tendons connect Tendons connect muscle to bonemuscle to bone
• Ligaments connect Ligaments connect bone to bonebone to bone
Tissues/ proper/ elastic/ irregular/ regular
Dense Elastic TissueDense Elastic Tissue
• FlexibleFlexible
• Produced by Produced by fibroblastsfibroblasts
• Composed of Composed of elastinelastin
Tissues/ dense/ irregular/ regular
Dense Regular TissueDense Regular Tissue
• Packed bundles of Packed bundles of collagencollagen
• Resistance to Resistance to tensiontension
• Parallel to pullParallel to pull
Tissues/ dense/ irregular/ elastic
Dense Irregular TissueDense Irregular Tissue
• Fibers thickerFibers thicker
• Arranged Arranged irregularlyirregularly
• Similar in structure Similar in structure to dense regularto dense regular
Tissues/ dense/ regular/ elastic
Cartilage TissueCartilage Tissue
• ToughTough
• FlexibleFlexible
• Stands up to Stands up to compression and compression and extensionextension
Tissues/ connective/ proper/ bones/ blood
Hyaline CartilageHyaline Cartilage
• Most abundant in Most abundant in bodybody
• Large number of Large number of collagen fiberscollagen fibers
• Collagen fibers are Collagen fibers are not visiblenot visible
Tissues/ cartilage/ fibrocartilage/ elastic
FibrocartilageFibrocartilage
• Rows of thick Rows of thick collagen fiberscollagen fibers
• Compresses wellCompresses well
• Resists tension wellResists tension well
Tissues/ cartilage/ Hyaline/ elastic
Elastic CartilageElastic Cartilage
• Identical to hyaline Identical to hyaline cartilagecartilage
• Many elastic fibersMany elastic fibers
• Used for durabilityUsed for durability
Tissues/ cartilage/ Hyaline/ fibrocartilage
Bone TissueBone Tissue
• Bone tissue is very Bone tissue is very hardhard
• Used for supportUsed for support
• Protects the bodyProtects the body
Tissues/ connective/ proper/ cartilage/ blood
Blood TissueBlood Tissue
• Most atypicalMost atypical
• Does not connect Does not connect thingsthings
• Develops from Develops from MesnechymeMesnechyme
Tissues/ connective/ proper/ bones/ cartilage
Muscle TissueMuscle Tissue
• Highly cellularHighly cellular
• Well VascularizedWell Vascularized
• Responsible for Responsible for body movementbody movement
Tissues/ smooth/ skeletal/ cardiac
Cardiac Muscle TissueCardiac Muscle Tissue
• Propels bloodPropels blood
• StriatedStriated
• Found in the wall of Found in the wall of the heartthe heart
Tissues/ Muscle/ skeletal/ smooth
Skeletal Muscle TissueSkeletal Muscle Tissue
• Packaged into Packaged into skeletal musclesskeletal muscles
• Cause movementCause movement
• Muscles cells Muscles cells contain a lot of contain a lot of nucleinuclei
Tissues/ Muscle/ cardiac/ smooth
Smooth TissueSmooth Tissue
• No visible striationsNo visible striations
• Spindle shapedSpindle shaped
• Found in walls of Found in walls of hollow organshollow organs
Tissues/ Muscle/ cardiac/ skeletal
Nervous TissueNervous Tissue
• Main component of Main component of nervous systemnervous system
• The brainThe brain
• Spinal cord and Spinal cord and nervesnerves
Tissues
CreditsCredits
• Thanks to akay for Thanks to akay for images from Flickr.images from Flickr.
• Helpful information Helpful information from the textbook from the textbook and the internetand the internet
• Sound from myselfSound from myself
Tissues