Chapter 4: Histology

Question 1

How do different tissues arise from genetically identical cells?

Answer 1

They express their genes differently, allowing them to differentiate into the embryonic tissues that give rise to the adult tissues.

Question 2

What are the three embryonic tissues?

Answer 2

Endoderm, mesoderm, and ectoderm

Question 3

What are the four adult tissues?

Answer 3

Epithelium, connective tissues, muscle, and neural tissue

Question 4

From which embryonic tissues is the epithelium derived from?

Answer 4

All three.

Question 5

Where would you find epithelium in the body?

Answer 5

On the surface of the body, in body openings, in cavity linings, and as glands.

Question 6

Cutaneous membranes would be found ___.

Answer 6

on the surface of the body

Question 7

Serous membranes would be found ___.

Answer 7

in cavity linings

Question 8

Mucous membranes would be found ___.

Answer 8

in body openings

Question 9

Except for glandular epithelium, most epithelial tissue is ___.

Answer 9

broad and sheetlike

Question 10

What are the two types of glands?

Answer 10

Endocrine and exocrine

Question 11

These glands secrete to the internal environment, ultimately ending up in the blood.

Answer 11

Endocrine

Question 12

These glands are hallow and secrete to the free surface.

Answer 12

Exocrine

Question 13

This type of tissue fills internal spaces and supports other tissues.

Answer 13

Connective

Question 14

Connective tissue is derived from which embryonic tissue?

Answer 14

Mesoderm

Question 15

This tissue forms the entire structural framework of the body.

Answer 15

Connective

Question 16

What are the three functions of connective tissue?

Answer 16

1. Provide strength and stability
2. Maintain position of internal organs
3. Provide routes for blood vessels, lymphatic vessels, and nerves

Question 17

Connective tissue is organized into broad sheets called ___.

Answer 17

Fasciae

Question 18

This fascia attaches skin and adipose tissue. It is found beneath the cutaneous membrane.

Answer 18

Superficial fascia

Question 19

The superficial fascia is also sometimes called the ___ layer.

Answer 19

hypodermic

Question 20

This type of fascia is found between the serous membranes and deep fascia.

Answer 20

Subserous fascia

Question 21

Subserous fascia is also called ___ tissue.

Answer 21

areolar

Question 22

This type of fascia surrounds and interpenetrates surrounding blood vessels, nerves, muscles, ect.

Answer 22

Deep fascia

Question 23

Tendons and ligaments are ___ fascia.

Answer 23

deep

Question 24

In muscles and nerves, ___ fascia is found.

Answer 24

deep

Question 25

Connective tissue lining dorsal cavities and covering the brain and spinal cord are called ___.

Answer 25

meninges

Question 26

Adipose is a type of ___ connective tissue.

Answer 26

specialized

Question 27

In this type of connective tissue, cells are the predominant constituent, making the tissue soft and squishy.

Answer 27

adipose

Question 28

Instead of secreting an ECM, adipose contains ___.

Answer 28

A drop/drops of fat

Question 29

What are the purposes of white adipose tissue?

Answer 29

1. Energy storage 2. Insulation 3. Cushioning for internal organs 4. Hormone secretion

Question 30

Where is white adipose tissue located?

Answer 30

Hypodermis, abdominal cavity, orbital of eye, palms and soles, visceral pericardium for cushioning.

Question 31

White adipose tissue contains ___ drop(s) of fat, while brown adipose tissue contains ___.

Answer 31

one, multiple

Question 32

This type of adipose can grow and shrink based on diet.

Answer 32

White adipose

Question 33

This type of adipose is highly vascularized

Answer 33

brown adipose

Question 34

Why is brown adipose tissue brown?

Answer 34

The mitochrondrial-rich tissue contains a lot of iron.

Question 35

Brown adipose tissue is for ___.

Answer 35

thermogenesis

Question 36

Muscle is derived from which embryonic layer?

Answer 36

mesoderm

Question 37

This type of tissue is specialized for contraction.

Answer 37

Muscle

Question 38

What are the three types of muscle tissue?

Answer 38

Skeletal, cardiac, and smooth

Question 39

From which embryonic tissue is neural tissue derived from?

Answer 39

Ectoderm