Tissue (LAB)

Question 1

Four main types of tissue in the body:

Answer 1

epithelial tissues, connective tissues, muscle, nervous tissue

Question 2

Tissues of different varieties combined to create

Answer 2

organs

Question 3

Composed of numerous cells that are closely packed together with no space between cells

Answer 3

epithelial tissue or epithelium

Question 4

Epithelium is ____ and must rely on the underlying connective tissue to provide _____ and remove _____.

Answer 4

avascular, nutrients, wastes

Question 5

The basement membrane is found between the ______ and the ______ that lies deep to it. It is composed of a material that helps hold these two tissues together.

Answer 5

epithelium, connective tissue

Question 6

Have a single layer of cells in the tissue, all of which are in contact with basement membrane.

Answer 6

simple epithelia

Question 7

These are generally easy to identify because the nuclei of the cells comprising this tissue are arranged neatly in a single row

Answer 7

simple epithelia

Question 8

More than one layer of cell, only the deepest layer of cells touches the basement membrane.

Answer 8

stratified epithelia

Question 9

Tissues can range in thickness from as few as two to as many as one hundred cell layers

Answer 9

stratified epithelia

Question 10

Have a single layer of cells, but give the false appearance of multiple layers

Answer 10

pseudostratified epithelia

Question 11

Different types of epithelial cells are found in this epithelium and although all of the cells touch basement membrane, not all cells reach the surface of the tissue

Answer 11

pseudostratified epithelia

Question 12

Nuclei of cells appearing at different “levels” giving the appearance of a multi-layered tissue

Answer 12

pseudostratified epithelia

Question 13

Four common shapes of epithelial surface cells

Answer 13

squamous cells, cuboidal cells, columnar cells, transitional cells

Question 14

Flat, scale-like cells that are irregularly shaped polygons when viewed from top, but very flat when viewed from side. “fried egg” appearance

Answer 14

squamous

Question 15

Irregularly-shaped polygons when viewed from the top, but have a “square” appearance when viewed from the side.

Answer 15

cuboidal

Question 16

Cells generally are about the same height as they are wide and the nucleus tends to be towards the center of the cell

Answer 16

cuboidal

Question 17

irregularly-shaped polygons when viewed from top, but are more rectangular shape when viewed from side

Answer 17

columnar

Question 18

Cells are much taller than they are wide and the nucleus tends to be towards the bottom of the cell.

Answer 18

columnar

Question 19

Irregularly round no matter what the view, this cell type is rather uncommon

Answer 19

transitional

Question 20

Lines tiny air sacs of the lungs known as alveoli, separating the blood from the air

Answer 20

simple squamous epithelium

Question 21

This tissue is also found in the kidney structure known as the glomerulus

Answer 21

simple squamous epithelium

Question 22

when found inside of a blood vessel, the simple squamous epithelium is referred to as an

Answer 22

endothelium

Question 23

simple squamous epithelium cover the outside of many of the body organs and lining various body cavities, this tissue is called

Answer 23

mesothelium

Question 24

forms ducts of many glands of body

Answer 24

simple cuboidal epithelium

Question 25

forms the entire structure of the thyroid gland

Answer 25

simple cuboidal epithelium

Question 26

forms most of the tubular system in the kidneys and plays an important role in the formation of urine

Answer 26

simple cuboidal epithelium

Question 27

Some simple columnar epithelium may also have additional special features:

Answer 27

cilia, microvilli, goblet cells

Question 28

The lining of the digestive system is composed of a variety that includes microvilli and goblet cells

Answer 28

simple columnar epithelium

Question 29

The lining of smaller airways contains a _____ that has cilia

Answer 29

simple columnar epithelium

Question 30

Most varieties contain cilia and goblet cells

Answer 30

pseudostratified columnar epithelium

Question 31

All of the cells in this epithelium touch the basement membrane, but not all reach the upper surface of the tissue

Answer 31

Pseudostratified columnar epithelium

Question 32

Forms the linings of the large airways, such as the trachea and bronchi

Answer 32

pseudostratified columnar epithelium

Question 33

The thickness of the tissue will vary from as few as 10 layers to as many as 100 layers of cells

Answer 33

stratified squamous epithelium

Question 34

Forms the epidermis (surface layer) of the skin and mucous membrane; moist entrances to the body such as the mouth, urethra, vaginas, anus

Answer 34

stratified squamous epithelium

Question 35

Tissue is composed of several layers of large round cells and is found only lining the urinary bladder and the tubing associated with the bladder

Answer 35

transitional epithelium

Question 36

The large round cells flatten out to cover more surfaces as the bladder fills then round up as the bladder empties

Answer 36

transitional epithelium

Question 37

This epithelium can withstand stretching without suffering injury

Answer 37

transitional epithelium

Question 38

____ are also composed of epithelial tissue.

Answer 38

glands

Question 39

____ produces a secretion (a product used outside of the glandular cells)

Answer 39

glandular tissue

Question 40

Type of gland that has no duct leading out of the gland to deliver secretion

Answer 40

endocrine gland

Question 41

These glands depend on the blood to deliver their secretions

Answer 41

endocrine gland

Question 42

____ produce secretions known as hormones

Answer 42

endocrine gland

Question 43

_____ have ducts that lead to an epithelia surface to deliver the secretion

Answer 43

exocrine gland

Question 44

____ are usually categorized by their method of secretion

Answer 44

exocrine gland

Question 45

Exocrine glands are categorized by their method of secretion which is determined by the amount of cellular material that leaves the gland with the secretion:

Answer 45

Merocrine glands, apocrine glands, holocrine glands

Question 46

Only the secretion through the duct; no portion of the glandular cell will be found in this secretion, resulting in a secretion with very watery consistency

Answer 46

merocrine gland

Question 47

lose a small portion of the cell with the secretion during production; the secretion from this type of gland tends to be slightly more viscous (thicker) in texture; may not be present it humans

Answer 47

apocrine gland

Question 48

lose the entire glandular cell with the secretion, generally producing a very viscous secretion; odor

Answer 48

holocrine gland

Question 49

Connective tissue is generally found beneath an _____

Answer 49

epithelium

Question 50

Connect tissue are often categorized by their texture:

Answer 50

soft connect tissue, support connective tissue, fluid connective tissue

Question 51

Also known as connective tissue proper, are very pliable tissue

Answer 51

soft connective tissues

Question 52

Connective tissue are more rigid (stiffer) maintaining their shape

Answer 52

support connective tissues

Question 53

Connect tissue quite different in structure (liquid) than other types of connective tissue, but has been grouped with the connective tissues because of the job they do in the body

Answer 53

fluid connective tissues

Question 54

_____ is composed of fibers and a ground substance

Answer 54

matrix

Question 55

The fibers are produced by the connective tissue cells known as ____

Answer 55

fibroblasts

Question 56

Three types of connective tissue fibers:

Answer 56

collagen fibers, elastic fibers, reticular fibers

Question 57

Three types of ground substance:

Answer 57

hyaluronic acid, chondroitin sulfate and proteoglycans, calcium salts