connective tissue
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Connective Tissue. What are 6 main functions of connective tissue?. Structural framework for body Transportation of fluids and dissolved substances Protection of delicate organs Supports, surrounds, and connects other tissues Storage of energy in the form of lipids - PowerPoint PPT PresentationTRANSCRIPT
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Connective Tissue
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What are 6 main functions of connective tissue?
1) Structural framework for body
2) Transportation of fluids and dissolved substances
3) Protection of delicate organs
4) Supports, surrounds, and connects other tissues
5) Storage of energy in the form of lipids
6) Defend the body against microorganisms
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What are the three main classifications of connective tissue and their subcatagories?
1) Connective tissue propera) Loose connectiveb) Dense connective
2) Fluid connective tissuea) Bloodb) Lymph
3) Supporting connective tissuea) Cartilageb) Bone
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Connective tissue proper Fluid connective tissue Supporting connective tissue
Connective Tissue
What are the three main categories of connective tissues?
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Connective tissue proper Fluid connective tissue Supporting connective tissue
Connective Tissue
Dense connectivetissue
Loose connectivetissue
Lymph Cartilage BoneBlood
What are the subcategories of the three main categories of connective tissue?
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Connective tissue proper Fluid connective tissue Supporting connective tissue
Connective Tissue
Dense connectivetissue
Loose connectivetissue
Lymph Cartilage BoneBlood
What is the general composition and location of the subcategories?
Fibers create
loose, open framework
Fibers densely packed
Contained in lymphatic
system
Solid, rubbery matrix
Solid, crystalline
matrix
Contained in
circulatory system
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What kind of tissue is this?Embryonic connective tissue: Mesenchyme
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What are three special features?
Star shaped mesenchymal
cell
Gelatinous 3-D matrix material
or ground substance
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What is its main function?
It gives rise to all other connective
tissues
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Where is this tissue located?
•In the Embryo
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What kind of tissue is this?
Loose connective tissue, a.k.a. areolar connective tissue
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What are 4 special features?
Elastic Fibers
Collagen Fibers
Fibroblast nuclei
Macrophages, mast cells, and
some white blood cells
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What are its 3 main functions?
1)Surrounds and cushions organs
2)Secondary defense system below the skin
3)Transportation and holding of fluids
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Where is this tissue located?
• Under epithelia (fascia)
• Around organs
• Surrounding capillaries
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What kind of tissue is this?
Adipose connective tissue
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What are 3 special features?
Vacuole containing
fat/oil droplets
Nuclei pushed to side of cell
Adipocyte (fat cell)
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What are its 4 main functions?
1)Insulation
2)Energy (lipid) reserve
3)Support and cushioning of organs
4)Protection of organs
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Where is this tissue located?
•Hypodermis•Around: ~Kidneys ~Eyeballs•On surface of heart•Female breasts•Hips•Abdominal region
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What kind of tissue is this?
Reticular connective tissue
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What are 3 special features?
Lymphocyte
3-D matrix of reticular fibers
Mast cells
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What is its main function?
Support of other cell types
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Where is this tissue located?
•Liver
•Spleen
•Lymph nodes
•Bone marrow
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What kind of tissue is this?Dense white fibrous connective tissue, irregularly arranged
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What are 2 special features?
Fibroblasts
3-D matrix material of 100%
interwoven collagen fibers
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What are its 4 main functions?
1)Attachment
2)Structural strength
3)Movement
4)Reduction of friction
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Where is this tissue located?
•Dermis•Submucosa of digestive tract•Fibrous capsules of organs and joints•Covering skeletal muscle•Nerve and muscle sheaths
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What kind of tissue is this?
Dense white fibrous connective tissue, regularly-arranged
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What are 2 special features?
Fibroblasts make the collagen fibers
3-D matrix of 100%collagen fibers
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What are its 3 main functions?
1)Attachment of muscle to bone and bone to bone
2)Friction reduction
3)Stabilizing relative bone position
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Where is this tissue located?
•Tendons•Most ligaments•Aponeurosis•Perichondrium•Periosteum•Deep fasciae
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What kind of tissue is this?
Hyaline cartilage
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What are 3 special features?
Chondrocyte
Lacuna
3-D matrix of cartilage plus a
few collagen fibers
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What are its 2 main functions?
1)Support
2)Reinforcement
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Where is this tissue located?
•Embryonic skeleton
•End of long bones•(articular cartilages)
•Costal cartilages
•Cartilage of: ~Nose ~Trachea ~Larynx
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What kind of tissue is this?
Elastic cartilage
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What are 3 special features?
Chondrocyte
Lacuna
3D matrix ofCartilage plus elastic fibers
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What are its 2 main functions?
1)Maintains shape and structure
2)Allows flexibility
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Where is this tissue located?
•External ear
•Epiglottis
•Auditory canal
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What kind of tissue is this?
Fibrocartilage
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What are 4 special features?
Chondrocytes in lacunae
3-D matrix of cartilage plus lots of collagen fibers
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What are its 2 main functions?
1)Strength
2)Absorption of compressive shock
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Where is this tissue located?
•Pubis symphysis
•Intervertebral discs
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What kind of tissue is this?
Compact bone (osseous tissue)
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What are 5 special features?
Carbon skeletons of osteocytes
Lacunae
Lamellae (layers)Haversian canal
Canaliculi
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What are its 4 main functions?
1)Support
2)Protection
3)Storage of Ca+2
4)Hematopoiesis(done by cancellous bone only)
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Where is this tissue located?
Bones
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What kind of tissue is this?
Blood
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What are 3 special features?
Erythrocytes(red blood cells)
Leukocytes(white blood cells)
3-D matrix is liquid blood plasma
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What is its main function?
Transportation of nutrients, oxygen, hormones and wastes
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Where is this tissue located?
Within blood vessels