Tissues

Question 1

What are the primary types of tissues?

Answer 1

Epithelial. connective, muscle and nervous tissue

Question 2

What is the primary function of epithelial tissue?

Answer 2

Covers and lines

Question 3

What is the primary function of muscle?

Answer 3

It enables movement

Question 4

What is the primary function of nervous tissue?

Answer 4

It controls the body

Question 5

What is the primary function of connective tissue?

Answer 5

It provides support

Question 6

What is the difference between microscopic anatomy and gross or macroscopic anatomy?

Answer 6

Microscopic anatomy is the study of anatomical structures that can only be seen with a microscope. Gross or macroscopic anatomy is the study of anatomical structures that can be seen with the naked eye.

Question 7

What are the four characteristics of epithelial cells?

Answer 7

They are polar. Their lateral surfaces are attached to neighboring cells. They have no direct blood supply. Most have a nerve supply.

Question 8

What functions is simple squamous epithelium involved in?

Answer 8

Diffusion, filtration, secretion, absorbtion and lining

Question 9

The type of epithelium that makes up the skin?

Answer 9

Stratified squamous

Question 10

What property does stratification (layers) bring to epithelium?

Answer 10

Strength & Protection.

Question 11

If epithelium has more than one layer and the cells on the surface are columnar, what is it called?

Answer 11

Stratified columnar epithelium

Question 12

What is the name of the epithelium that lines the urinary bladder. What special properties does it have?

Answer 12

Transitional epithelium. It can stretch and contract as the bladder fills and empties.

Question 13

1. What is a gland?

Answer 13

A gland is a cell or group of cells that have the ability to manufacture and discharge a secretion.

Question 14

What is the difference between endocrine and exocrine glands? Can you give examples of each?

Answer 14

Glands that do not have ducts or tubules and whose secretions are distributed throughout the body are called endocrine glands. Exocrine act by discharging secretions via their ducts directly into nearby areas where they may, for example, cover cell surfaces or empty into body cavities. Enodcrine glands Thyroid, Parathyroid, Adrenal, Pituitary etc. Exocrine glands Sweat, Salivary, scent/musk.

Question 15

Where are goblet cells found? What type of secretion do they produce

Answer 15

In the gastrointestinal epithelium and respiratory epithelium. They produce mucus.

Question 16

How are serous and mucous secretions different?

Answer 16

Serous secretions are watery and mucous secretions are thick and viscous and generally act as a lubricant.