Intro to Histology

Question 1

Each cell of skeletal muscle cells is called a

Answer 1

muscle fiber

Question 2

Cardia muscle cells are smaller and form branching networks there are ______ per cell _______

Answer 2

one or two central nuclei; striation may be visible Cells are joined at ends by intercalated discs.

Question 3

Line hollow organs

Answer 3

epithelial cells

Question 4

contractile cells

Answer 4

muscle cells

Question 5

communication cells

Answer 5

nerve cells

Question 6

structural strength and defense

Answer 6

connective tissue

Question 7

basic stain dye which stains acids purple (e.g. DNA and RNA)

Answer 7

hematoxylin

Question 8

acidic dye which stains bases pink (most proteins)

Answer 8

eosin

Question 9

Epithelia

Answer 9

Venules have simple squamous epithelium

Question 10

Where do grandular secretion go?

Answer 10

Grandular secretion go into the lumen

Question 11

Answer 11

Question 12

the most prominent cell in connective tissue

Answer 12

fibroblast

Question 13

Lining of all blood vessels

Answer 13

simple squamous epithelium (endothelium)

Question 14

Thyroid follicles has what type of epithelium

Answer 14

simple cuboidal epithelim

Question 15

The gall bladder and small intestine have this type of epithelium

Answer 15

simple columnar epithelium

Question 16

Answer 16

Question 17

function is to secrete or produce mucus that helps the food move down the lumen of the intestine much smoother

Answer 17

Goblet Cells

Question 18

Answer 18

Low power view of the gall bladder

Question 19

The lip has non-keratinized cells on which side?

Answer 19

oral side

keratinized on the skin side

stratified squamous epithelium

Question 20

only two layers of cell, rare

Answer 20

stratified cuboidal epithelium or stratified columnar epithelium

Question 21

looks stratified, but all cells touch the basal lamina

and only the tall cells reach the lumen

Answer 21

Pseudostratified columnar epithelium
- Ex: trachea

Question 22

the esophagus has these type of epithelium

Answer 22

Non-keratinized stratified squamous epithelium

Question 23

Answer 23

Keratinized stratified squamous epithelium on the lip (skin side)

Question 24

Answer 24

Stratified cuboidal epithelium in mammary duct

Question 25

Answer 25

Stratified columnar epithelium (sublingual duct)

Question 26

Answer 26

Pseudostratified, Ciliated Columnar Epithelium (PCC)

Question 27

In stratified epithelia, a transcription regulation protein called _____ induces the appearance of basal cells

Answer 27

p63 Deletion of p63 prevents the appearance of a stratified epithelium

Question 28

Has transitional epithelium with surface cells that are large and have rounded tops

Answer 28

urinary bladder - urothelium

Question 29

Each fiber has a diameter of about ______ and a length of \_\_\_\_\_

Answer 29

0.1 mm ; 10 mm

Question 30

How to describe fiber nucleus number

Answer 30

fibers are multinucleated, lie next to the cell membrane on the periphery of each cell

Question 31

smaller muscle cells that form branching networks

Answer 31

cardiac muscle cells; there are one or two central nuclei per cell striations may be visible ## Footnote Cells are joined at ends by intercalated discs

Question 32

small with tapering ends

Answer 32

smooth muscle cells ; one central nucleus per cell

Question 33

Consists of neurons and their support cells (glia: astrocytes, oligodendrocytes, and microglia)

Answer 33

Nervous tissue

Question 34

Describe the nucleus of a nerve cell

Answer 34

large and pale with a dark nucleolus

Question 35

clusters of nerve cell bodies in the peripheral nervous system

Answer 35

Nerve ganglia

Question 36

one or more bundles of axons; each with a surroundingy perineurium

Answer 36

Peripheral nerves

Question 37

each bundle of axons is solid and round, and contains axons with supporting _______ cells (in peripheral nervous system)

Answer 37

Schwann

Question 38

In longitudinal section, nerves have a characteristic ______ appearance

Answer 38

"wavy"

Question 39

Answer 39

Astrocytes (pale nuclei) ; Oligodendrocytes (dark nuclei)

Question 40

Connective tissues are highly variable in _______ and \_\_\_\_\_\_

Answer 40

structure and function

Question 41

Has more cells than fibers

Answer 41

Loose connective tissue (Fibroblasts are the most abundant cells in connective tissue)

Question 42

More fibers than cells

Answer 42

Dense irregular connective tissue (DICT)

Question 43

Found in tendon and ligaments; has fibers and cells aligned in one direction.

Answer 43

Dense regular connective tissue

Question 44

has many fat storing cells

Answer 44

adipose tissues

Question 45

has a round cell (chondrocytes) embedded in a solid, rubbery ECM

Answer 45

Cartilage ## Footnote difficult to preserve well and the chondrocytes often shrink or even fall out, leaving a hole behind. This hole is called a lacuna

Question 46

Classification of surface epithelia

Answer 46

* Number of cell layers * simple * stratified * Shape of cells at free surface * squamous * cuboid * columnar

Question 47

Part of neruons with no RNA

Answer 47

Axons

Question 48

has a lot of small, red cells with no nuclei

Answer 48

blood