D RAW I N G L A B

HISTOLOGY: CONNECTIVE TISSUE

HW: PAGE 150

• Find a Group of 4 to help you complete the Analysis & Review Questions!

• Each person should do 5 Questions. Decide who is doing which questions.

• Print 4 copies of answers.

• Bring to class tomorrow!

CONNECTIVE TISSUE: BACKGROUND

• Most abundant type of tissue.• Epithelial tissue is more dense.• Made up of: cells, fibers, and extracellular

components• Structure allows support, yet is pliable.• Produced by fibroblasts.

EXAMPLES

• Blood• Bone• Cartilage• Tendons• Ligaments• Adipose (fat)• Lymph

EXTRACELLULAR PORTION OF CT

• Interstitial Fluid• Fluid that contains proteins and cells

• Adhesion proteins• Allow cells to bind to each other and to structural fibers.

• Proteoglycans• Proteins that act to filter fluids through the ground substance.

• Collagen• Extremely strong fibers that provide support

• Elastin• Fibers that are able to stretch and return to their original shape,

much like a rubber band.

• Reticular fibers• Fine networking fibers

CONNECTIVE TISSUE TYPES

FUNCTIONS OF CT

• Protect• Store Energy• Support• Transport• Insulate• Connect all body tissues

HIGHLY VASCULAR TO AVASCULARAvascular tissues made up of extracellular (non-living) matrices, or

substances, rather than cellular components

THREE TYPES OF CARTILAGE TISSUE

CT DISORDERS & DISEASE

• Collagen and Elastin most common components affected.• May become injured through trauma (sprain)• Or genetic or environmental factors cause

problems.• Own Immune system may cause inflammation.

SYMPTOMS

• Fatigue• Fever• Muscle Pain• Stiffness• Weakness• Joint pain

CONNECTIVE TISSUE DISORDERS & DISEASE

CONNECTIVE TISSUE LAB

• Using the charts/PPT complete pg. 141-145.• Record the description, function, and location in

the chart.• Draw and label an example in the right column

for each picture.• Example seen in Figure 1.• No talking.• You will have • 3-4 minutes Per slide.

CT PROPER: LOOSE CT, AREOLAR

CT PROPER: LOOSE CT, ADIPOSE

CT PROPER: LOOSE CT, RETICULAR

DENSE REGULAR

DENSE IRREGULAR

CARTILAGE: HYALINE

CARTILAGE: ELASTIC

CARTILAGE: FIBROCARTILAGE

BONE (OSSEOUS TISSUE)

BLOOD

SPONGY BONE

LYMPH

ID THE FOLLOWING!