Connective tissue has several main functions including providing structure, transporting fluids, protecting organs, and storing energy. There are three main types of connective tissue - connective tissue proper, fluid connective tissue, and supporting connective tissue. Connective tissue proper includes loose and dense connective tissue. Fluid connective tissue consists of blood and lymph. Supporting connective tissue is made up of cartilage and bone. Each type and subclass of connective tissue has distinct features and locations throughout the body that allow them to fulfill their specific roles.
detail notes on connective tissue..
Connective tissue (CT) is one of the four basic types of animal tissue, along with epithelial tissue, muscle tissue, and nervous tissue. It develops from the mesoderm. Connective tissue is found in between other tissues everywhere in the body, including the nervous system. In the central nervous system, the three outer membranes (the meninges) that envelop the brain and spinal cord are composed of connective tissue.
All connective tissue consists of three main components: fibers (elastic and collagenous fibers), ground substance and cells. Not all authorities include blood or lymph as connective tissue because they lack the fiber component. All are immersed in the body water.
detail notes on connective tissue..
Connective tissue (CT) is one of the four basic types of animal tissue, along with epithelial tissue, muscle tissue, and nervous tissue. It develops from the mesoderm. Connective tissue is found in between other tissues everywhere in the body, including the nervous system. In the central nervous system, the three outer membranes (the meninges) that envelop the brain and spinal cord are composed of connective tissue.
All connective tissue consists of three main components: fibers (elastic and collagenous fibers), ground substance and cells. Not all authorities include blood or lymph as connective tissue because they lack the fiber component. All are immersed in the body water.
. Definition of Tissues Biological tissue is a collection of interconnected cells that perform a similar function within an organism. In other words, it is a group of cells working together mainly inside an organ.
3. Classification of Tissues Human body is composed of 4 basic types of tissue: •Epithelial tissue •Connective tissue •Muscular tissue •Nervous tissue
4. Origin of Tissue A fertilized egg divides to produce 3 primary germ cell layers. These layers differentiate to form the tissues of the body.
5. Epithelial Tissue Epithelial cells cover or line all body surfaces, cavities and tubes. So, These are called covering epithelia. Epithelial cells form the functional units of secretory glands. So, These are called glandular epithelia.
. Definition of Tissues Biological tissue is a collection of interconnected cells that perform a similar function within an organism. In other words, it is a group of cells working together mainly inside an organ.
3. Classification of Tissues Human body is composed of 4 basic types of tissue: •Epithelial tissue •Connective tissue •Muscular tissue •Nervous tissue
4. Origin of Tissue A fertilized egg divides to produce 3 primary germ cell layers. These layers differentiate to form the tissues of the body.
5. Epithelial Tissue Epithelial cells cover or line all body surfaces, cavities and tubes. So, These are called covering epithelia. Epithelial cells form the functional units of secretory glands. So, These are called glandular epithelia.
1. Connective tissue is one of the four tissue types found throughout the body. Connective tissue is the most abundant and widely distributed tissue in the body.
2. Connective tissue develop from mesoderm during embryonic development. While some connective tissues are specialized ( bone , blood), all organs have some amount of connective tissue in them which hold their parenchyma together.
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2. 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
3. What are the three main classifications of
connective tissue and their subcatagories?
1) Connective tissue proper
a) Loose connective
b) Dense connective
2) Fluid connective tissue
a) Blood
b) Lymph
3) Supporting connective tissue
a) Cartilage
b) Bone
4. Connective tissue proper Fluid connective tissue Supporting connective tissue
Connective Tissue
What are the three main categories of
connective tissues?
5. Connective tissue proper Fluid connective tissue Supporting connective tissue
Connective Tissue
Dense connective
tissue
Loose connective
tissue
Lymph Cartilage BoneBlood
What are the subcategories of the three
main categories of connective tissue?
6. Connective tissue proper Fluid connective tissue Supporting connective tissue
Connective Tissue
Dense connective
tissue
Loose connective
tissue
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
7. What kind of tissue is this?
Embryonic connective tissue:
Mesenchyme
8. What are three special
features?
Star shaped
mesenchymal
cell
Gelatinous 3-D
matrix material
or ground
substance
9. What is its main function?
It gives rise to all
other connective
tissues
11. What kind of tissue is this?
Loose connective tissue, a.k.a. areolar connective tissue
12. What are 4 special features?
Elastic Fibers
Collagen Fibers
Fibroblast nuclei
Macrophages,
mast cells, and
some white blood
cells
13. What are its 3 main functions?
1)Surrounds and
cushions organs
2)Secondary
defense system
below the skin
3)Transportation
and holding of
fluids
14. Where is this tissue located?
• Under
epithelia
(fascia)
• Around
organs
• Surrounding
capillaries
15. What kind of tissue is this?
Adipose connective tissue
16. What are 3 special features?
Vacuole
containing
fat/oil droplets
Nuclei pushed
to side of cell
Adipocyte
(fat cell)
17. What are its 4 main functions?
1)Insulation
2)Energy (lipid)
reserve
3)Support and
cushioning of
organs
4)Protection of
organs
18. Where is this tissue located?
•Hypodermis
•Around:
~Kidneys
~Eyeballs
•On surface of heart
•Female breasts
•Hips
•Abdominal region
19. What kind of tissue is this?
Reticular connective tissue
20. What are 3 special features?
Lymphocyte
3-D matrix of
reticular fibers
Mast cells
21. What is its main function?
Support of other
cell types
22. Where is this tissue located?
•Liver
•Spleen
•Lymph
nodes
•Bone
marrow
23. What kind of tissue is this?
Dense white fibrous connective tissue,
irregularly arranged
24. What are 2 special features?
Fibroblasts
3-D matrix
material of 100%
interwoven
collagen fibers
25. What are its 4 main functions?
1)Attachment
2)Structural strength
3)Movement
4)Reduction of friction
26. Where is this tissue located?
•Dermis
•Submucosa of
digestive tract
•Fibrous capsules of
organs and joints
•Covering skeletal
muscle
•Nerve and muscle
sheaths
27. What kind of tissue is this?
Dense white fibrous connective tissue,
regularly-arranged
28. What are 2 special features?
Fibroblasts make
the collagen fibers
3-D matrix of 100%
collagen fibers
29. What are its 3 main functions?
1)Attachment
of muscle to
bone and
bone to bone
2)Friction
reduction
3)Stabilizing
relative bone
position
30. Where is this tissue located?
•Tendons
•Most ligaments
•Aponeurosis
•Perichondrium
•Periosteum
•Deep fasciae
32. What are 3 special features?
Chondrocyte
Lacuna
3-D matrix of
cartilage plus a
few collagen fibers
33. What are its 2 main functions?
1)Support
2)Reinforcement
34. Where is this tissue located?
•Embryonic skeleton
•End of long bones
•(articular cartilages)
•Costal cartilages
•Cartilage of:
~Nose
~Trachea
~Larynx
