Chapter 5

Question 1

Structure with discrete boundaries that is composed of two or more tissue types

Answer 1

Organ

Question 2

The study of tissues and how they are arranged into organs

Answer 2

Histology

Question 3

A group of similar cells and cell products working together to perform a specific role in an organ

Answer 3

Tissue

Question 4

A fertilized egg becomes an embryo with layers

Answer 4

Embryonic tissue

Question 5

Ectoderm 

Answer 5

-outer germ layer
-gives rise to epidermis and nervous system

Question 6

Endoderm
Gives rise to

Answer 6

-inner germ layer
-gives rise to mucous membrane lining

Question 7

Mesoderm

Answer 7

-middle germ layer
- gives rise to cartilage, bone, blood

Question 8

What do histologist do?

Answer 8

Slice and section tissues

Question 9

The fixative that prevents decay

Answer 9

Formalin

Question 10

Tissue is sliced into thin sections one or two cells thick

Answer 10

Histological sections

Question 11

What are tissues cut on their long axis?

Answer 11

Longitudinal sections

Question 12

Tissues cut perpendicular to long axis of organ

Answer 12

Cross sections or transverse sections

Question 13

Tissues cut at angle between cross and longitudinal sections

Answer 13

Oblique section

Question 14

tissue is rubbed across a slide

Answer 14

Smear

Question 15

Epithelial tissue

Answer 15

-Covers body surfaces and lines body cavities
-Upper surface usually exposed to the environment or an
internal space in the body

Question 16

Function of the epithelial tissues

Answer 16

-Protect deeper tissues from injury and infection

-Excrete wastes

-Sense stimuli

Question 17

What cells are very close together?

Answer 17

Epithelial tissues

Question 18

What tissue has a high rate of mitosis?

Answer 18

Epithelial tissues

Question 19

What is the layer between an epithelium and
underlying connective tissue?

Answer 19

Basement membrane

Question 20

Simple epithelia

Answer 20

Contains one layer of cells

Question 21

Stratified epithelia

Answer 21

Contains more than one layer

Question 22

Simple squamous

Answer 22

Thin and scaly cells

Question 23

Pseudostratified columnar


Answer 23

Every cell reaches the basement membrane (but not all
cells reach the free surface)

Question 24

What are wineglass-shaped mucus-secreting cells in
simple columnar and pseudostratified epithelia?

Answer 24

Goblet cells

Question 25

Simple squamous epithellum

Answer 25

-Single row of thin cells -Permits rapid diffusion or transport of substances

Question 26

Where are simple squamous epithelium located?

Answer 26

Alveoli and glomerull

Question 27

Simple cuboidal epithelium

Answer 27

-Absorption and secretion, mucus production and movement

Question 28

Where are Simple cuboidal epithelium located?

Answer 28

Liver, thyroid, and kidney tubules

Question 29

Simple columnar epithelium

Answer 29

-Brush border of microvilli, ciliated in some organs, may possess goblet cells -Absorption and secretion; secretion of mucus

Question 30

Where is Simple columnar epithelium located?

Answer 30

lining of Gl tract, uterus, kidney, and uterine tubes

Question 31

Pseudostratifled epithellum

Answer 31

-Looks multilayered, but all cells touch basement membrane -Has cilia and goblet cells -Secretes and propels mucus

Question 32

Where is Pseudostratified Epithelium located?

Answer 32

Respiratory tract

Question 33

_______ is the most widespread epithelium in the body

Answer 33

Stratified squamous

Question 34

-Deepest layers undergo continuous mitosis -Daughter cells push toward the surface and become flatter as they migrate upward -Finally die and flake off- exfoliation or desquamation

Answer 34

Stratified squamous

Question 35

Two kinds of stratified squamous epithelia

Answer 35

Keratinized and non Keratinized

Question 36

Keratinized

Answer 36

found on skin surface, abrasion resistant

Question 37

NonKeratinized

Answer 37

lacks surface layer of dead cells

Question 38

Flaking of and dying

Answer 38

Exfoliation

Question 39

Keratinized stratified squamous

Answer 39

Resists abrasion; retards water loss through skin; resists penetration by pathogenic organisms

Question 40

Location of Keratinized stratified squamous

Answer 40

epidermis; palms and soles heavily keratinized

Question 41

Stratified cuboidal epithelium

Answer 41

-Two or more cell layers; surface cells square or round -Secretes sweat; produces sperm, produces ovarian hormones

Question 42

Location of Stratified Cuboidal Epithelium

Answer 42

sweat gland ducts; ovarian follicles and seminiferous tubules

Question 43

Urothellum

Answer 43

-Multilayered epithelium with surface cells that change from round to flat when stretched -Allows for filling of urinary tract

Question 44

Where is Urothelium located

Answer 44

Ureter and bladder

Question 45

A diverse, abundant type of tissue in which cells occupy less space than matrix

Answer 45

Connective tissue