Histology - Connective Tissue

Question 1

What is Connective Tissue’s purpose?

Answer 1

Provides structural support

Medium for exchange

[metabolic waste, nutrients, oxygen…]

Aids in defense and protection of body

Forms site for fat storage

Question 2

What are the 3 Loose Connective Tissues?

Answer 2

Areolar

Adipose

Reticular

Question 3

What are the 3 Dense Connective Tissues?

Answer 3

Dense Regular

Dense Irregular

Elastic

Question 4

What are the 3 different Cartilage Tissues?

Answer 4

Hyaline

Fibrocarilage

Elastic

Question 5

Identify

Answer 5

Blood Cells

Question 6

What kind of connective tissue is blood?

Answer 6

Fluid Connective Tissue

Question 7

What does the structure of blood contain?

Answer 7

Erythrocytes (Red Blood Cells)

Leukocytes (White Blood Cells)

Platelets (to help clot)

Question 8

Identify

Answer 8

Areolar Connective Tissue

Question 9

What kind of structures are Areolar Connective Tissues?

Answer 9

Fibrous Structures

Question 10

What is the Areolar Connective Tissue’s function?

Answer 10

Surround / Protect tissues and organs

loosley binds epithelia to deeper tissues

provides nerve and blood vessels packing

Question 11

Elastin is _____

Collagen is not _____

Answer 11

Stretchy

Question 12

Identify

Answer 12

Reticular Connective Tissue

Question 13

What is the Reticular Connective Tissue’s Function?

Answer 13

Provides supportive framwork for spleen, lymph nodes, thymous, and bone marrow

Question 14

What is the Structure of Reticular Connective Tissue?

Answer 14

Gel-like

Scattered reticular fibers, fibroblasts, WBC, ECM

Question 15

Where is Reticular Connective Tissue found?

Answer 15

stroma of lymph nodes, spleen, thymus, bone marrow

Question 16

Identify

Answer 16

Adipose Connective Tissue

Question 17

What is the structure of Adipose Connective Tissues?

Answer 17

Closely packed adipocytes (fat cells)

nuclei squeezed to one side

Question 18

What is the function of Adipose Connective Tissue?

Answer 18

Store energy

Protection, cushion, insulation

Question 19

Where is Adipose Connective Tissue found?

Answer 19

Subcutaneous (beneath skin) layer

Covers and surrounds some organs

Question 20

Identify

Answer 20

Dense Regular Connective Tissue

Question 21

What is the structure of Dense Regular Conective Tissue?

Answer 21

Densley packed

Parallel collagen fibers

Fibroblast nuclei squeezed between layers

Question 22

What is the function of Dense Regular Connective Tissue?

Answer 22

Attaches muscle to bone

Attaches bone to bone

Question 23

Where is Dense Regular Connective Tissue found?

Answer 23

Tendons and Ligaments

Question 24

Identify

Answer 24

Elastic Connective Tissue

Question 25

What is the structure of Elastic Connective Tissue?

Answer 25

Freely branching elastic fibers

Question 26

What is the function of Elastic Connective Tissue?

Answer 26

Allows stretching of some organs

Question 27

Where is Elastic Connective Tissue located?

Answer 27

Walls of: Elastic arteries, Trachea, bronchial tubes suspensory ligaments of penis Forms TRUE vocal cords

Question 28

Identify

Answer 28

Dense Irregular Connective Tissue

Question 29

What is the structure of Dense Irregular Connective Tissue?

Answer 29

Predominantly collagen fibers randomly arranged and clumped together

Question 30

What is the function of Dense Irregular Connective Tissue?

Answer 30

To withstand stresses applied in all directions

Question 31

Where is Dense Irregular Connective Tissue located?

Answer 31

Dermis Periosteum covering bone perichondrium covering cartilage organ capsules

Question 32

Identify

Answer 32

Compact Bone

Question 33

Identify the Arrows

Answer 33

1: Canaliculi 2: Central Canal 3: Osteocyte in Lacunae

Question 34

What is the structure of Compact Bone?

Answer 34

Calcified matrix arranged around a central canal

Question 35

What is the function of Compact Bone?

Answer 35

Supports soft structures Protects vital organs Provides levers for movement Stores calcium and phosphorus

Question 36

Where is the location of Compact Bone?

Answer 36

Bones of the body!

Question 37

Identify

Answer 37

Hyaline Cartilage

Question 38

What is the structure of Hyaline Cartilage?

Answer 38

Glassy ECM Usually covered by perichondrium

Question 39

What is the function of Hyaline Cartilage?

Answer 39

Smooth surfaces for movement fo joints Model for bone growth Supports soft tissue

Question 40

Where is Hyaline Cartilage located?

Answer 40

Most of fetal skeleton Ends of long bones Most of larynx, trachea, and nose [to keep airways open]

Question 41

Identify

Answer 41

Fibrocartilage

Question 42

What is the structure of Fibrocartilage?

Answer 42

Parallel collagen fibers in ECM

Question 43

What is the function of Fibrocartilage?

Answer 43

Resist compression Absorbs shock in some joints

Question 44

Where is Fibrocartilage located?

Answer 44

Invertebral disks Pubic symphisis Minisci of knee joints

Question 45

Identify

Answer 45

Elastic Carilage

Question 46

What is the structure of Elastic Cartilage?

Answer 46

Abundant elastic fibers that form web-like mesh around lacunae

Question 47

What is the function of Elastic Cartilage?

Answer 47

Maintain structure and shape while permitting flexibility

Question 48

Where is the Elastic Cartilage located?

Answer 48

External ear Epiglottis