A&P: Chapter 3, Cells & Tissues, pgs 93-96

Question 1

What is connective tissue and what does it do?

Answer 1

-Connects body parts (abundant)
-Primarily involved in protecting, supporting and binding other body tissues.

Question 2

Characteristics among connective tissue

Answer 2

-Vascularized (good blood supply)
-Support & connects tissues in the body
-living cells surrounded by a matrix

Question 3

Differences among connective tissuue

Answer 3

• Diff. Cell types
• matrix are going to vary
• Diff. Functions
  -Some are rigid and some are soft

Question 4

The 5 types of connective tissue

Answer 4

-Bone
- Cartilage
-Dense connective tissue
-Loose connective tissue
-Blood

Question 5

Define extracellular matrix

Answer 5

The non living substance found outside the cells

Question 6

Ground Substance (within matrix)

Answer 6

-Water + adhesion proteins + large charged polysaccharide molecules

Question 7

What happens in the ground substance?

Answer 7

-The proteins allow for connective tissue cells to attach to matrix fibers in GS
-Poly. Trap water—> Cause matrix to vary from fluid

Question 8

Types of fiber deposited to the matrix

Answer 8

-Collagen (white & strong)
-Elastic (yellow & stretchy)
-Reticular fibers (Fine collagen fibers and soft)

Question 9

Bone (osseous tissue)

Answer 9

-Osteocytes (bone cells) sit in cavities, lacunae—> Surrounded by a very hard matrix with calcium salts and collagen fibers
-Hard and protects and supports other body organs well

Question 10

Cartilage

Answer 10

-Less hard and flexible
-Chondrocytes (Cartilage cells)—> Found in hyaline cartilage
-Hyaline cartilage has abundant collagen fibers hidden by a rubbery matrix

Question 11

Examples of cartilage

Answer 11

-larynx
-Attaches ribs to breastbone
-Covers the end of many bones

Question 12

Fibrocartilage?

Answer 12

Forms the cushionlike disks between vertebrae of the spinal column

Question 13

Elastic cartilage?

Answer 13

-Found in structures w/ elasticity Ex: external ear

Question 14

Dense Conective tissue (dense fibrous tissue)

Answer 14

-Collagen fibers are the main matrix element
-located between collagen fibers and fibroblasts (fiber forming cells)
-Forms strong, ropelike structures such as tendons and ligaments Ex: makes up lower layers of the skin (sheets)

Question 15

Tendons?

Answer 15

Attach skeletal muscles to bones

Question 16

Ligaments?

Answer 16

Connect bones to bones at joints (stretchy and contain elastic fibers)