Tissue and Histology-Connective tissue

Question 1

how common is connective tissue?

Answer 1

abundant; found in every organ

Question 2

what does connective tissue consist of?

Answer 2

Consists of cells separated by extracellular

matrix

Question 3

What are the functions of connective tissue?

Answer 3

Enclose organs as a capsule and separate organs
into layers
 Connect tissues to one another. Tendons and
ligaments.
 Support and movement. Bones.
 Storage. Fat.
 Cushion and insulate. Fat.
 Transport. Blood.
 Protect. Cells of the immune system.

Question 4

what are the word stems that make up the matrix?

Answer 4

◦ Blasts
◦ Cytes
◦ Clasts

Question 5

what do each word stem describe?

Answer 5

◦ Blasts: create the matrix, example osteoblast
◦ Cytes: maintain the matrix, example chondrocyte
◦ Clasts: break the matrix down for remodeling,
example osteoclasts

Question 6

Cells of connective tissue- Adipose or fat cells

Answer 6

Common in some

tissues (dermis of skin); rare in some (cartilage)

Question 7

Cells of connective tissue-Mast cells

Answer 7

Common beneath membranes; along
small blood vessels. Can release heparin, histamine,
and proteolytic enzymes in response to injury.

Question 8

Cells of connective tissue-White blood cells (leukocytes)

Answer 8

Respond to injury or infection

Question 9

Cells of connective tissue-Macrophages

Answer 9

Phagocytize or provide protection

Question 10

Cells of connective tissue-Platelets

Answer 10

Fragments of haematopoietic cells

involved in clotting.

Question 11

Cells of connective tissue-Undifferentiated mesenchyme (stem cells)

Answer 11

Have potential to differentiate into adult cell types.

Question 12

Cells of connective tissue-Reticular fibers

Answer 12

similar to thread

Question 13

Cells of connective tissue-Elastic fibers

Answer 13

similar to a rubber band

Question 14

Cells of connective tissue-Collagen fibers

Answer 14

similar to rope

Question 15

Adult connective tissues-Connective tissue proper types

Answer 15

◦ Loose. Collagenous fibers are loosely arranged

◦ Dense. Fibers form thick bundles that nearly fill all extracellular space

Question 16

Adult connective tissues- Supporting connective tissue types

Answer 16

◦ Cartilage

◦ Bone

Question 17

Adult connective tissues-Fluid connective tissue type

Answer 17

◦ Blood

Question 18

Connective tissue proper- loose connective tissue types

Answer 18

. Areolar connective tissue
. Adipose tissue
. Reticular tissue

Question 19

Connective tissue proper- loose connective tissue-Areolar connective tissue, what is it?

Answer 19

Loose packing material of most organs and tissues, also known as stroma

Question 20

Connective tissue proper- loose connective tissue-Areolar connective tissue, what is its function?

Answer 20

Attaches skin to underlying tissues. Superficial fascia =

subcutaneous layer = hypodermis

Question 21

Connective tissue proper- loose connective tissue-Areolar connective tissue, What does it contain?

Answer 21

Contains collagen, reticular, elastic fibers and all five types of cells

Question 22

Connective tissue proper- loose connective tissue-Areolar connective tissue, where is it often seen?

Answer 22

Often seen in association with other types of C.T., like reticular tissue and fat

Question 23

Connective tissue proper- loose connective tissue-Areolar connective tissue, what are the 5 types of cells?

Answer 23

Cells include fibroblasts, mast cells, lymphocytes, adipose cells, macrophages

Question 24

Connective tissue proper- loose connective tissue-Adipose tissue, what are the predominant cells?

Answer 24

Predominant cells are adipocytes

Question 25

Connective tissue proper- loose connective tissue-Adipose tissue, what is yellow Adipose tissue?

Answer 25

Yellow (white). Most abundant type, has a wide distribution. White at birth and yellows with age.

Question 26

Connective tissue proper- loose connective tissue-Adipose tissue, what is brown Adipose tissue?

Answer 26

Brown. Found only in specific areas of | body: axillae, neck and near kidneys

Question 27

Connective tissue proper- loose connective tissue-Reticular tissue, what does it do?

Answer 27

Forms superstructure of lymphatic and haemopoietic tissues

Question 28

Connective tissue proper- loose connective tissue-Reticular tissue, what is its structure?

Answer 28

Thin collagen fibers coated with glycoprotein that form networks of fibers.

Question 29

Connective tissue proper- loose connective tissue-Reticular tissue, where is it?

Answer 29

Spaces between cells contain white cells and dendritic cells

Question 30

Connective tissue proper- Dense regular collagenous connective tissue, what is its function?

Answer 30

Has abundant collagen fibers that resist stretching

Question 31

Connective tissue proper- Dense regular collagenous connective tissue, what is its structure?

Answer 31

Matrix composed of collagen fibers running in somewhat the same direction

Question 32

Connective tissue proper- Dense regular collagenous connective tissue, where is it located?

Answer 32

◦ Tendons: Connect muscles to bones; fibers are not necessarily parallel ◦ Ligaments: Connect bones to bones. Collagen often less compact, usually flattened, form sheets or bands

Question 33

Connective tissue proper- Dense regular Elastic connective tissue, what is its structure?

Answer 33

Matrix composed of regularly arranged collagen fibers and elastic fibers

Question 34

Connective tissue proper- Dense regular Elastic connective tissue, what is its function?

Answer 34

Able to stretch and recoil like a rubber band, with strength in the direction of fiber orientation

Question 35

Connective tissue proper- Dense regular Elastic connective tissue, where is it located?

Answer 35

Vocal folds and elastic ligaments between the vertebrae and along the dorsal aspect of the neck

Question 36

Connective tissue proper- Dense irregular collagenous connective tissue, what is its structure?

Answer 36

Protein fibers arranged in a randomly oriented | network

Question 37

Connective tissue proper- Dense irregular collagenous connective tissue, what is its function?

Answer 37

Tensile strength capable of withstanding stretching in all directions

Question 38

Connective tissue proper- Dense irregular collagenous connective tissue, where is it located?

Answer 38

Forms innermost layer of the dermis of the skin, | scars, capsules of kidney and spleen

Question 39

Connective tissue proper- Dense irregular Elastic connective tissue, what is its structure?

Answer 39

Bundles and sheets of collagenous and elastic fibers oriented in multiple directions

Question 40

Connective tissue proper- Dense irregular Elastic connective tissue, what is its function?

Answer 40

Strong, yet elastic

Question 41

Connective tissue proper- Dense irregular Elastic connective tissue, where is it located?

Answer 41

In walls of elastic arteries