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Histology: Connective Tissues

 

if the tissue has no free side

it is:  Connective Tissue

 

Ask the following questions:

Is it loosely packed random fibers or densely packed fibers?

Regular Connective Tissue

LOOSE CONNECTIVE

TISSUE PROPER

DENSE CONNECTIVE

TISSUE PROPER

Does it have random long hair-fibers

 with scattered fibroblast cells?

Does it have tightly packed parallel fibers with a wavy pattern?

Areolar Connective Tissue

AREOLAR CONNECTIVE TISSUE

Dense Regualr Connective Tissue

DENSE REGULAR

CONNECTIVE TISSUE

Cells are hard to see, filled with white lipid & nucleus is pushed to the side?

Tightly packed collagen fibers that do not all run parallel?

(Also contains randomly spaced fibroblast cells)

Adipose Connective Tissue

ADIPOSE CONNECTIVE TISSUE

DENSE IRREGULAR CONNECTIVE TISSUE

Network of short branched fibers and many cells

Tightly packed collagen fibers with short elastic fibers in between?

Reticular Connective Tissue Elastic Connenctve Tissue

RETICULAR CONNECTIVE TISSUE

ELASTIC CONNECTIVE TISSUE

Background lacks distinction and the cells are found on openings called lacunae?

Cartilage

 

CARTILAGE

Cells in lacunae openings form an eyeball pattern and the background completely lacks fibers?

Hyaline Cartilage

HYALINE CARTILAGE

Openings of lacunae with barely visible cells and

There are visible branched fibers?

Elastic Cartilage

ELASTIC CARTILAGE

Long slightly wavy fibers with cells in lacunae openings?

fibrocartilage

FIBROCARTILAGE

 

Small red cells that look like donuts?

Blood

blood

BLOOD

Concentric circles with a dark center?

Bone

bone

BONE