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
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 ColumnarStomach, Stomach, intestines, intestines, uterusuterus
Protective, SA, Protective, SA, secrete mucussecrete mucus
Pseudostratified Pseudostratified ColumnarColumnar
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
TransitionalTransitional
Simple & Stratified Cuboidal TissueSimple & Stratified Cuboidal Tissue
Simple Cuboidal Tissue
Stratified Cuboidal 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... Lunrication, Lunrication,
protectionprotection
Simple ColumnarSimple ColumnarStomach, Stomach, intestines, intestines, uterusuterus
Protective, SA, Protective, SA, secrete mucussecrete mucus
Pseudostratified Pseudostratified ColumnarColumnar
Trachea, Trachea, fallopian tubesfallopian tubes movementmovement
Stratified ColumnarStratified Columnar Vas deferens, Vas deferens, male urethramale urethra
Support & Support & some some movementmovement
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
Transitional TissueTransitional Tissue
Transitional
StretchedUnstretched
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... Lunrication, Lunrication,
protectionprotection
Simple ColumnarSimple ColumnarStomach, Stomach, intestines, intestines, uterusuterus
Protective, SA, Protective, SA, secrete mucussecrete mucus
Pseudostratified Pseudostratified ColumnarColumnar
Trachea, Trachea, fallopian tubesfallopian tubes movementmovement
Stratified ColumnarStratified Columnar Vas deferens, Vas deferens, male urethramale urethra
Support & Support & some some movementmovement
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
Tissue IdentificationTissue Identification
EpithelialTissues
Concept Map
Squamous
Columnar
Cuboidal
location
type
type
location
function
function
loca
tion
type
type
location
function
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
Connective Tissue TypesConnective Tissue Types
AdiposeAdipose Similar to loose Similar to loose
fibrousfibrous Contains fat Contains fat
storagestorage Insulation, Insulation,
cushions joints, cushions joints, energy reserveenergy reserve
Fat droplet
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 Spaces Spaces throughout throughout bodybody
Insulation, Insulation, cushioningcushioning
Connective Tissue TypesConnective Tissue Types
Dense FibrousDense Fibrous Contains elastinContains elastin Very strong Very strong
(dense)(dense) Slow tissue Slow tissue
repairrepair ProtectionProtection
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 Spaces Spaces throughout throughout bodybody
Insulation, Insulation, cushioningcushioning
Dense FibrousDense Fibrous Ligaments & Ligaments & TendonsTendons
Pulling/pushing, Pulling/pushing, forcesforces
Connective Tissue TypesConnective Tissue Types
CartilageCartilage Partly rigid, Partly rigid,
partly flexiblepartly flexible Elastic(ears)Elastic(ears) Hyaline(bone Hyaline(bone
ends)ends) Fibro-(backbone)Fibro-(backbone)
Hyaline
Connective Tissue TypesConnective Tissue Types
Elastic Cartilage Fibrocartilage
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 Spaces Spaces throughout throughout bodybody
Insulation, Insulation, cushioningcushioning
Dense FibrousDense Fibrous Ligaments & Ligaments & TendonsTendons
Pulling/pushing, Pulling/pushing, forcesforces
CartilageCartilage Ears, nose, Ears, nose, bone endsbone ends
Cushion, Cushion, supportsupport
Connective Tissue TypesConnective Tissue Types
BoneBone Supports organsSupports organs Attachment pointAttachment point Bone cells are Bone cells are
called called osteocytes.osteocytes.
Well nourishedWell nourished
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 Spaces Spaces throughout throughout bodybody
Insulation, Insulation, cushioningcushioning
CartilageCartilage Ears, nose, Ears, nose, bone endsbone ends
Cushion, Cushion, supportsupport
Dense FibrousDense Fibrous Ligaments & Ligaments & TendonsTendons
Pulling/pushing, Pulling/pushing, forcesforces
BoneBone SkeletonSkeleton Support, Support, protectionprotection
Connective Tissue TypesConnective Tissue Types
BloodBlood Red & white Red & white
blood cellsblood cells PlateletsPlatelets PlasmaPlasma Regulates Regulates
temperaturetemperature Transportation Transportation
systemsystem
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 Spaces Spaces throughout throughout bodybody
Insulation, Insulation, cushioningcushioning
CartilageCartilage Ears, nose, Ears, nose, bone endsbone ends
Cushion, Cushion, supportsupport
Dense FibrousDense Fibrous Ligaments & Ligaments & TendonsTendons
Pulling/pushing, Pulling/pushing, forcesforces
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