Histology

Question 1

What does Histology mean?

Answer 1

The study of tissue structure and function

Question 1

Four primary tissue types

Answer 1

1. Epithelial
2. Connective
3. Muscle
4. Nerve

Question 2

2 Levels of Epithelial Tissue

Answer 2

1. Simple
2. Stratified

Question 3

3 Shapes of Epithelial Cells

Answer 3

1. Squamous(flat)
2. Cuboidal(Square)
   3.Columnar(rectangle)

Question 4

Simple Squamous Epithelial

Answer 4

Single flat layer of cells

Question 5

Functions of Simple Squamous Epithelial

Answer 5

filtration and secretes lubrication

Question 6

Simple squamous can be found?

Answer 6

Air sacks of Lungs, lymphatic vessels, ventral body cavity, kidney glomeruli

Question 7

Simple Cuboidal

Answer 7

Single layer of cub like cells

Question 8

Functions of Simple Cuboidal Epithelial?

Answer 8

Secretion and absorption

Question 9

Where can Simple Cuboidal be found?

Answer 9

Kidney and Ovary surface

Question 10

Simple Columnar Epithelial

Answer 10

Single layer of tall cells with round oval nuclei some may have cilia (small hair)

Question 11

Functions of Simple Columnar?

Answer 11

Absorption, secretion of mucus, enzyme, and other substances

Question 12

Where can you find Simple Columnar Epithelial tissue?

Answer 12

Nonciliated- digestive tract (stomach to anal canal)
Ciliated- uterine tubes, some regions of uterus

Question 13

Pseudostratified Columnar

Answer 13

A layer of cells at different heights

Question 14

Functions of Pseudostratified Columnar?

Answer 14

Secretion and mucus

Question 15

Location of Pseudostratified Columnar?

Answer 15

Nonciliated- male sperm, ducts of large glands
Ciliated- Lines the trachea, most of the upper respiratory tract

Question 16

Stratified Squamous

Answer 16

several flat cell layers

Question 17

Functions of Stratified Squamous

Answer 17

Protects tissue in areas subjected to abrasion

Question 18

Location of Stratified Squamous?

Answer 18

Nonkeratin- moist lining of the esophagus, mouth, and vagina
Keratinized- forms the epidermis of the skin

Question 19

Transitional Epithelial

Answer 19

Dome at the top

Question 20

The function of Transitional Epithelial

Answer 20

Stretches out

Question 21

Location of Transitional Epithelial?

Answer 21

Lines the uterus, bladder, and part of the urethra

Question 22

Nervous Tissue

Answer 22

Neurons of cells

Question 23

The function of Nervous Tissue

Answer 23

Transmit electrical signals to muscle and glands

Question 24

Where can you find Nervous cells?

Answer 24

Brain, spinal cord, and nerves