Bio Lab Practical 1

Question 1

Epithelial tissue/epithelium

Answer 1

Forms boundaries between different environments, protects, secretes, absorbs, filters

Question 2

Where is epithelium tissue found

Answer 2

Letting the digestive track organs and other hollow organs also on the skin surface

Question 3

What is simple epithelial tissue

Answer 3

Single cell layer

Question 4

What is stratified epithelium tissue

Answer 4

Composed of two or more cell layers stacked on top of each other

Question 5

Where is simple epithelial tissue found

Answer 5

Where absorption, secretion, infiltration occur and Thin epithelial barrier is desirable

Question 6

Where is stratified epithelial found

Answer 6

Are common in high abrasion areas where protection is important, such as the skin surface in the lining of the mouth

Question 7

What are squamous cells

Answer 7

Flatten and scale like

Question 8

What are cuboidal cells

Answer 8

Box like approximately as tall as they are wide

Question 9

What are columnar cells

Answer 9

Tall and column shaped

Question 10

What are simple squamous epithelium

Answer 10

Single layer of flattened cells with the disc shaped center nuclei and sparse cytoplasm

Question 11

Are the simplest of the epithelial

Answer 11

Simple squamous epithelium

Question 12

What is the function of the simple squamous epithelium

Answer 12

Allows materials to pass by diffusion infiltration insights were protection is not important.

Question 13

What does the simple Squam us epithelium secrete

Answer 13

Lubricating substances in serosae

Question 14

Where are simple Squam us epithelium found

Answer 14

Kidney, air sacs of lungs, lining of heart, blood vessels, lymphatic vessels and lining of ventral body cavity

Question 15

What does simple squamous epithelium tissue look like under a microscope

Answer 15

Stringing and thin, May form air sacs

Question 16

What is the simple cuboidal epithelium

Answer 16

Layer of cute like cells with large vehicle central nuclei

Question 17

What is the function of simple cuboidal epithelium

Answer 17

To secrete and absorb

Question 18

Where are simple cuboidal epithelium found

Answer 18

Kidney tubules, ducks and secretory portions of small glands and ovary surface

Question 19

What do you simple cuboidal epithelium cells look like

Answer 19

Round, clustered, somewhat like fat/oil

in water

Question 20

what are simple columnar epithelium

Answer 20

Single layer of tall cells with round to oval nuclei. Some cells have microvilli and cilia, layer may contain mucus secreting unicellular glands

Question 21

What are mucus secreting unicellular glands

Answer 21

Goblet cells

Question 22

What do you goblet cells contain

Answer 22

Mucus

Question 23

What is the function of simple columnar epithelium

Answer 23

Absorb, secretion of mucus, enzymes, and other substances. The ciliated type propels mucus or reproductive cells.

Question 24

Where are nonciliated simple columnar epithelium located

Answer 24

Non-ciliated types line most of the digestive trac, gallbladder and excretory ducts of some glands.

Question 25

Where are ciliated simple Columnar epithelium located

Answer 25

Ciliated tape line the small bronchi, uterine tubes, and some regions of the uterus

Question 26

What our pseudostratified Columnar epithelium

Answer 26

They are a single layer of cells with differing Heights, some not reaching the free service. Nuclei are seen at different levels and may contain mucus secreting cells and bear cells.

Question 27

What is the function of pseudostratified columnar epithelium

Answer 27

Secrete substances, particularly mucus

Question 28

Where are non-ciliated pseudostratified Columnar epithelium located.

Answer 28

The nonciliated type in males are found in sperm caring ducts and ducts of large glands

Question 29

Where are the ciliated pseudostratified Columnar epithelium cells found

Answer 29

The ciliated type lines the trachea and most of the upper respiratory tract

Question 30

What are stratified squamous epithelium tissue

Answer 30

They have a thick membrane composed of several cell layers, basal cells are cuboidal or Columnar in metabolically active surface cells are flattened (squamous)

Question 31

What is the function of stratified squamous epithelium

Answer 31

To protect underlying tissues in area subject to abrasion

Question 32

Where is non-keratinized type of stratified squamous epithelium found

Answer 32

Forms the moist lining of the esophagus, mouth, and vagina

Question 33

Where is the keratinized stratified squamous epithelium found

Answer 33

Forms the epidermis of the skin and dry membrane

Question 34

What is transitional epithelium

Answer 34

Resembles the stratified squall mess in stratified cuboidal may have basal cells cuboidal or columnar. he differentiator is that the surface cells don't shape or squamous like depending on the degree of Organ stretch

Question 35

What is the function of transitional epithelium

Answer 35

Stretches easily, permits stored urine to distend urinary organs

Question 36

Where is transitional epithelium found

Answer 36

Lines the ureters, bladder and part of the urethra

Question 37

What is connective tissue

Answer 37

Supports

Question 38

Muscle tissue

Answer 38

Produces movement

Question 39

Nervous tissue you

Answer 39

Controls

Question 40

Connective tissue proper is made up of

Answer 40

``` Loose CT areolar Loose CT adipose Loose CT reticular Dense CT regular Dense CT irregular Dense CT elastic ```

Question 41

CT proper: loose connective tissue, areolar is made up of

Answer 41

A gel like matrix. With three fiber types cells, fibroblasts, macrophages, mast cells and some white blood cells

Question 42

CT proper: loose connective tissue, areolar function

Answer 42

wraps and cushions organs, macrophages help with inflammation