Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings

Types of

connective

Tissue

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings

Connective Tissue TypesBone osseous tissue Composed of:

Bone cells (Osteocyte) in lacunae (cavities)

Hard matrix of calcium salts Large numbers of collagen

fibersUsed to protect and support the

bodyBone is living tissue

Figure 3.19a

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings

Cartilage Tissue (3 types)Hyaline (Articular -glassy) Cartilage:

covers and protects bones; collagen fibers in a blue-white glossy material –Most Common (entire fetus structure)

Elastic Cartilage: Flexible cartilage (ear & Epiglottis)

Fibrocartilage: compressible; found in the spinal column between vertebrae & meniscus

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings

Dense Connective Tissueaka: Dense Fibrous Tissue

Collagen fibers with fibroblasts (fiber forming cells).

Found in: Tendons: Attach skeletal muscle to

Bone Ligaments: Connect bone to bone at

joints Dermis: the lower layers in the skinDermis is

like your HIDE

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings

Loose Connective TissueThere are 3 types of LOOSE Connective

Tissue.Areolar connective

Adipose TissueReticular connective

tissue

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings

Connective Tissue TypesAreolar

connective tissue

Most widely distributed connective tissue – Surrounds ORGANS Soft, pliable tissue Contains all fiber types Can soak up excess

fluidFigure 3.19e

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin CummingsFigure 3.19f

Connective Tissue TypesAdipose tissue

Oil droplets take most of the cell’s volume (the nucleus is pushed to the side)

Forms the subcutaneous tissue found under the skin (Hypodermis), on some organs (kidney, eye) & stored in deposits (hips, breasts)

Functions Insulates the body Protects some organs Serves as a site of

fuel storage

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings

Connective Tissue TypesReticular connective

tissueDelicate network of interwoven fibers

Forms stroma (internal supporting network) of lymphoid organs Lymph nodes Spleen Bone marrow

Figure 3.19g

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings

Connective Tissue Types

BloodBlood cells surrounded by fluid matrix

Fibers are visible during clotting

Functions as the transport vehicle for materials Figure 3.19h