Connective Tissues

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1

Adipose Tissue

Gel like matrix with three fibers types, : Cells fibroblasts, macrophages, mast cell and some white blood cells.

FUNCTIONS: Provides padding and cushions shocks; insulates; stores energy reserves

LOCATIONS: Deep to the skin (subcutaneous fat); padding around eyeballs, kidneys and other organs

2

Reticular Tissue

LOCATIONS: Liver, spleen, lymph nodes, red bone marrow

FUNCTIONS: Provides supporting framework (stroma) of soft organs

3

Dense Regular Connective Tissue

LOCATIONS: Tendons (muscle to bone); ligaments (bone to bone)

FUNCTIONS: Provides firm attachment points; conducts pull of muscles; stabilizes skeleton

4

Dense Irregular Connective Tissue

LOCATIONS: Dermis; periostea and perichondria; capsules on outside surface of organs.

FUNCTIONS: Provides strength by resisting forces in multiple directions

5

Elastic Connective Tissue

Dense regular connective tissues containing a high proportion of elastic fibers.

Function: Allows tissues to recoil after stretching; maintains pulsating flow of blood through arteries; aids passive recoil of lungs following inspiration.

Location:Walls of large arteries; within certain ligaments associated with the vertebral column; within the walls of lungs and bronchial tubes.

6

Fluid Connective Tissues

Blood

Formed elements (cells):

-Erythrocytes (red blood cells): transport O2

-Leukocytes (white blood cells): diverse population of different immune cells

-Platelets: cell fragments involved in clotting

Location: contains within blood vessels.

Function :Transports respiratory gases, nutrients, wastes, and other substances.

7

3 types of cartilages

Hyaline Cartilage

Elastic Cartilage

Fibrocartilage

8

Hyaline Cartilage

  • is the most abundant cartilage and contains densely packed collagen fibers
9

Elastic cartilage

contains many flexible and resilient elastic fibers

10

Fibrocartilage

  • consists of interwoven collagen fibers and is very durable and well-suited for shock absorption