Tissues Human Biology. Tissues Groups of cells that are specialized in function or structure Groups...

TissuesTissuesHuman BiologyHuman Biology

TissuesTissues

Groups of cells that are Groups of cells that are specialized in function or specialized in function or structurestructure

EpithelialEpithelial

ConnectiveConnective

MuscleMuscle

NervousNervous

Epithelial TissueEpithelial Tissue

Cover all body surfacesCover all body surfaces Line all organsLine all organs Major part of glandsMajor part of glands Have “free” outsideHave “free” outside Tightly packed cellsTightly packed cells

Functions: Lining, sensory, secretion, absorption, excretion

DefinitionsDefinitions

SquamousSquamous Think “squat” flattened cellsThink “squat” flattened cells

CuboidalCuboidal Cube shapedCube shaped

ColumnarColumnar Elongated cellsElongated cells

StratifiedStratified ““Layered”Layered”

Epithelial Tissues TypesEpithelial Tissues Types

Make a table in your notes like this: (8 X 3)Make a table in your notes like this: (8 X 3)

Epithelial Type Epithelial Type Location Location (lining)(lining)

FunctionFunction

Simple & Stratified Squamous Simple & Stratified Squamous TissueTissue

Simple Squamous Tissue

Stratified Squamous Tissue

Epithelial Type Epithelial Type Location (lining)Location (lining) FunctionFunction

Simple SquamousSimple Squamous Air sacs of lungs, Air sacs of lungs, blood vesselsblood vessels lubricationlubrication

Stratified Stratified SquamousSquamous Skin, mouth... Skin, mouth... protectionprotection

Simple ColumnarSimple Columnar

Pseudostratified Pseudostratified ColumnarColumnar

Stratified ColumnarStratified Columnar

Simple CuboidalSimple Cuboidal

Stratified CuboidalStratified Cuboidal

TransitionalTransitional

Simple & Stratified & Simple & Stratified & Pseudostratified Columnar TissuePseudostratified Columnar Tissue

Simple Columnar Tissue

Pseudo-Stratified Columnar Tissue

Simple & Stratified Cuboidal TissueSimple & Stratified Cuboidal Tissue

Stratified Columnar Tissue

Stratified Stratified SquamousSquamous Skin, mouth... Skin, mouth... protectionprotection

Simple ColumnarSimple ColumnarStomach, Stomach, intestines, intestines, uterusuterus

Protective, SA, Protective, SA, secrete mucussecrete mucus

Trachea, Trachea, fallopian tubesfallopian tubes movementmovement

Stratified ColumnarStratified Columnar Vas deferens, Vas deferens, male urethramale urethra

Support & Support & some some movementmovement

Simple CuboidalSimple Cuboidal

Stratified CuboidalStratified Cuboidal

Simple & Stratified Cuboidal TissueSimple & Stratified Cuboidal Tissue

Simple Cuboidal Tissue

Stratified Cuboidal Tissue

Stratified Stratified SquamousSquamous Skin, mouth... Skin, mouth... Lunrication, Lunrication,

protectionprotection

Simple CuboidalSimple Cuboidal Ovaries, Ovaries, kidneys, thyroid kidneys, thyroid glandsglands

Secretion & Secretion & absorptionabsorption

Stratified CuboidalStratified Cuboidal Mammary Mammary glands, sweat glands, sweat glands,glands,

Secretion & Secretion & absorption & absorption & protectionsprotections

Transitional TissueTransitional Tissue

Transitional

StretchedUnstretched

Stratified Stratified SquamousSquamous Skin, mouth... Skin, mouth... Lunrication, Lunrication,

protectionprotection

Simple CuboidalSimple Cuboidal Ovaries, Ovaries, kidneys, thyroid kidneys, thyroid glandsglands

Secretion & Secretion & absorptionabsorption

Stratified CuboidalStratified Cuboidal Mammary Mammary glands, sweat glands, sweat glands,glands,

Secretion & Secretion & absorption & absorption & protectionsprotections

TransitionalTransitional BladderBladderStretch, Stretch, protection protection against against seepageseepage

Tissue IdentificationTissue Identification

EpithelialTissues

Concept Map

Squamous

Columnar

Cuboidal

location

function

location

function

Transitional

What are tissues?What are tissues?

Groups of cells that are Groups of cells that are specialized in function or specialized in function or structurestructure

What are the four types?What are the four types?

EpithelialEpithelial

ConnectiveConnective

MuscleMuscle

NervousNervous

Connective TissueConnective Tissue

FucntionsFucntions ““connects” substancesconnects” substances ProtectProtect Act as frameAct as frame Fill spacesFill spaces Produce bloodProduce blood Repair tissue damageRepair tissue damage

Connective TissueConnective Tissue

Make a table in your notes like this: (7 Make a table in your notes like this: (7 X 3)X 3)Connective Connective

Tissue Type Tissue Type Location (lining)Location (lining) FunctionFunction

Connective Tissue TypesConnective Tissue Types

Loose FibrousLoose Fibrous Contains elastinContains elastin Connects skin to Connects skin to

organsorgans Provides blood Provides blood

vessels to skinvessels to skin Fills muscle gapsFills muscle gaps

Connective Connective Tissue Type Tissue Type

Location (lining)Location (lining) FunctionFunction

Loose FibrousLoose Fibrous Under skin, in Under skin, in musclemuscle

Nourishment, Nourishment, stretchstretch

AdiposeAdipose Similar to loose Similar to loose

fibrousfibrous Contains fat Contains fat

storagestorage Insulation, Insulation,

cushions joints, cushions joints, energy reserveenergy reserve

Fat droplet

AdiposeAdipose Spaces Spaces throughout throughout bodybody

Insulation, Insulation, cushioningcushioning

Dense FibrousDense Fibrous Contains elastinContains elastin Very strong Very strong

(dense)(dense) Slow tissue Slow tissue

repairrepair ProtectionProtection

Dense FibrousDense Fibrous Ligaments & Ligaments & TendonsTendons

Pulling/pushing, Pulling/pushing, forcesforces

CartilageCartilage Partly rigid, Partly rigid,

partly flexiblepartly flexible Elastic(ears)Elastic(ears) Hyaline(bone Hyaline(bone

ends)ends) Fibro-(backbone)Fibro-(backbone)

Hyaline

Elastic Cartilage Fibrocartilage

CartilageCartilage Ears, nose, Ears, nose, bone endsbone ends

Cushion, Cushion, supportsupport

BoneBone Supports organsSupports organs Attachment pointAttachment point Bone cells are Bone cells are

called called osteocytes.osteocytes.

Well nourishedWell nourished

BoneBone SkeletonSkeleton Support, Support, protectionprotection

BloodBlood Red & white Red & white

blood cellsblood cells PlateletsPlatelets PlasmaPlasma Regulates Regulates

temperaturetemperature Transportation Transportation

systemsystem

BoneBone SkeletonSkeleton Support, Support, protectionprotection

BloodBlood Veins, arteries, Veins, arteries, heartheart

transporttransport

Muscle TissueMuscle Tissue

Cardiac (involuntary) HEARTCardiac (involuntary) HEART Smooth (involuntary) ORGANSSmooth (involuntary) ORGANS Skeletal (voluntary) BONESSkeletal (voluntary) BONES

Smooth MuscleCardiac Muscle Skeletal Muscle

Nerve TissueNerve Tissue

Found in the Found in the brain, spinal brain, spinal cord, and cord, and peripheral peripheral nervesnerves

Conducts Conducts electrochemical electrochemical impulsesimpulses

Basic cell is Basic cell is called a NEURONcalled a NEURON

What is tissue What is tissue regeneration?regeneration?

Tissue can be manmade in a labTissue can be manmade in a lab Tissues are made from embryoic Tissues are made from embryoic

stem cellsstem cells TotipotentTotipotent 500 cell size embryos500 cell size embryos

Research is being done with Research is being done with adult stem cells (taken from adult stem cells (taken from bone marrow), but so far is bone marrow), but so far is unsuccessfulunsuccessful

What can tissues do?What can tissues do?

Help burn victims (epithelial)Help burn victims (epithelial) Repair muscleRepair muscle Repair organs (heart, liver)Repair organs (heart, liver) Repair nerves/brain/spineRepair nerves/brain/spine Build bone (osteoporosis)Build bone (osteoporosis) Help heal boneHelp heal bone ALS, MS, Parkinsons, etc, etcALS, MS, Parkinsons, etc, etc

Tissues Human Biology. Tissues Groups of cells that are specialized in function or structure Groups...

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