Chapter Four

Question 1

Group of similar cells specialized to perform a specific function

Answer 1

Tissues

Question 2

Covers surfaces , lines , spaces , passageways , form glands
Many subtypes , classified by shape of cells and layering of cells

Answer 2

Epithelial Tissues

Question 3

Fill internal spaces support other tissues transport materials , store lipids

Answer 3

Connective Tissues

Question 4

How many types of tissues are there and what are they

Answer 4

Epithelial , connective , muscle and nervous

Question 5

Where is epithelial tissues

Answer 5

Covers surface of body
Line hollow organs
line body cavities
line tubes of various types ( blood , vessels , ducts )
Used to make glands around the body

Question 6

What are the 3 primary germ layers tissues are formed form

Answer 6

ectoderm , mesoderm , endoderm

Question 7

What is the extracellular matrix composed of

Answer 7

Water , protein fibers, dissolved molecules

Question 8

Composed of one or more layers of closet packed cells between two compartments having different components

Answer 8

EPITHELIUM

Question 9

True or False there is little to no extracelluar matrix between epithelia cells

Answer 9

True

Question 10

Some epithelial cells , exocrine glands , are specialized to produce secretion

Answer 10

Secretion

Question 11

Epithelial cells are stongly bound together by specialized connections in the plasma membranes of their lateral surfaces called

Answer 11

Intracellular junctions

Question 12

How many junctions are their and what are the names

Answer 12

Tight junctions , adhering junctions , desmosomes and gap junctions

Question 13

Encircle cells near their apical surface and completely attach each cell to its neighbors

Answer 13

Tight junctions

Question 14

Form completely around the cells

Answer 14

Adhering junctions

Question 15

Like a button or snap between adjacent epithelial cells

Answer 15

Desmosome

Question 16

formed across the intercellular gap between neighboring cells

Answer 16

Gap Junctions

Question 17

Where is a simple epithelium found

Answer 17

found in areas where stress is minimal and diffusion, filtration, absorption, or secretion is the primary function
( internal lining of the air sacs in the lungs , intestines and blood vessels )

Question 18

skin, the internal lining of the esophagus, pharynx, or vagina

Answer 18

Stratified epithelium

Question 19

The simple squamous epithelium that lines the lumen of the blood and lymphatic vessels and the heart and its chambers

Answer 19

Endothelium

Question 20

Nonciliated simple columnar epithelium often contains microvilli and a scattering of unicellular glands called

Answer 20

Goblet cells

Question 21

Tiny , ctyoplasmic projections on the apical surface of the cell that increases that surface area for secretion and absorption

Answer 21

Microvilli

Question 22

What do goblet cells secrete

Answer 22

Mucin

Question 23

where does nonciliated simple columnar epithelium line

Answer 23

Most of the digestive tracts from the stomach to the anal canal

Question 24

where does pseudostratified ciliated columnar epithelium line

Answer 24

large portions of the respiratory tract , nasal cavity , part of the throat , voice box, trachea , bronchi