Histology Midterm

Front 1

Back 1

1. Lumen
2. Simple squamous epithelium

Front 2

Back 2

1. Lumen
2. Simple squamous epithelium

Front 3

What ALWAYS borders a lumen?

Back 3

epithelium

Front 4

What type of tissue has 5 lumens?

Back 4

umbilical cord

Front 5

Where are simple cuboidal epithelial cells found?

Back 5

thyroid and kidney

Front 6

Where are simple columnar epithelial cells typically found?

Back 6

parts of the GI tract - gall bladder, small intestines

Front 7

What is the function of microvilli and where are they typically found?

Back 7

GI tract, respiratory systems

Front 8

What is the function of goblet cells?

Back 8

Makes mucous

Front 9

Where is pseudostratified epithelium typically found?

Back 9

respiratory and reproductive systems - ex. trachea, epididymis

Front 10

What are stereocilia and where are they found?

Back 10

Microvilli, absorb, found in reproductive tract

Front 11

What type of tissue lines the esophagus?

Back 11

Stratified squamous epithelium

Front 12

What are papilla?

Back 12

?

Front 13

Where is bistratified cuboidal and bistratified columnar cells found together?

Back 13

rare, teat sinus

Front 14

What type of tissue does stratified cuboidal line?

Back 14

ducts

Front 15

What is a "blast" in charge of?

Back 15

Forming a matrix.

Front 16

What are long, thin branched fibers in loose CT?

Back 16

collagenous fiber

Front 17

What are thinner, branched fibers in loose CT?

Back 17

elastic fiber

Front 18

What cell type must be present in loose CT?

Back 18

fibroblast (football shaped)

Front 19

What other cell types are visible in loose CT?

Back 19

immune cells - mast, etc.

Front 20

Where is loose CT typically located?

Back 20

Deep to epithelium.

Front 21

What is a vilus?

Back 21

hill projects in lumen

Front 22

What is lamina propia and what type of cells are typically found there?

Back 22

special type of loose CT (+lymphatic b/c contains WBC) located deep to epithelium in GI tracts

Front 23

What type of tissue comprises the papillary layer of the dermis?

Back 23

loose CT

Front 24

What type of CT comprises the reticular layer of the dermis?

Back 24

Dense irregular CT tissue

Front 25

Where do you find dense irregular CT?

Back 25

deep layer of dermis, submucosa, capsule of most organs (except spleen)

Front 26

What makes dense irregular CT "irregular"?

Back 26

collagen running in different directions

Front 27

What makes dense regular CT "regular"?

Back 27

collagen running the same directions

Front 28

What type of fibers in CT are dark black/green?

Back 28

Reticular fibers in reticular CT

Front 29

Where is elastic CT found?

Back 29

in places that need to expand and contract, for example, lungs, arteries and veins

Front 30

What are the 3 layers (types) of tissue that lines artery from inside (lumen) --> out?

Back 30

simple squamous epithelium --> smooth muscle --> elastic CT

Front 31

What type of muscle composes the tunica media?

Back 31

smooth muscle

Front 32

Where is adipose CT located?

Back 32

deep to epithelium in skin, around kidney

Front 33

What is the most common cartilage in the body?

Back 33

hyaline cartilage

Front 34

What is an isogenous group?

Back 34

2 chondrocyte clones together (2 nuclei)

Front 35

Where is hyaline cartilage found?

Back 35

trachea

Front 36

What is perichondrium made of and where is located?

Back 36

CT and located on border of hyaline cartilage (most of the time)

Front 37

What type of cartilage has chondrocytes in rows with collagen in between them?

Back 37

fibrocartilage

Front 38

What is a growth plate?

Back 38

hyaline cartilage switching over to bone

Front 39

What is the resting zone?

Back 39

young hyaline cartilage (more cells than mature)

above growth plate

Front 40

What is the zone of proliferation?

Back 40

rapidly proliferating chondrocytes

Front 41

What is the order of the layers (zones) from medullary cavity outward in a developing long bone?

Back 41

zone of calcification --> zone of degradation --> zone of hypertrophy --> zone of proliferation --> zone of resting cartilage

Front 42

How many nuclei do osteoclasts have?

Back 42

multiple

Front 43

What is the function of osteoclasts?

Back 43

break down bone

Front 44

What is the function of osteoblasts?

Back 44

build bone

Front 45

What direction does a central canal run in relation to the axis of the compact long bone?

Back 45

parallel

Front 46

What direction does the central canal run in relation to the axis of the company long bone?

Back 46

perpendicular

Front 47

Do RBC have nuclei?

Back 47

NO

Front 48

What three WBC have granules?

Back 48

neutrophils, eosinophils, and basophils

Front 49

What two WBC DO NOT have granules?

Back 49

lymphocytes, monocytes

Front 50

What type of WBC is mostly nucleus with tiny amount of light purple cytoplasm around edges? (HINT: also smallest WBC)

Back 50

lymphocyte

Front 51

What type of granular WBC can you not see the grains in the cytoplasm? (HINT: "naked nucleus)

Back 51

neutrophil

Front 52

What granular WBC has very distinct pink granules in cytoplasm?

Back 52

eosinophil

Front 53

What type of WBC has visible cytoplasm, is very large, and often has indented nucleus?

Back 53

monoocyte

Front 54

How is horse blood different from dogs and cats?

Back 54

-Neutrophil's nucleus is "huge C", less lobular

-RBC stacked in columns

Front 55

What is the fxn'l equivalent of the neutrophil in the chxn?

Back 55

heterophil

Front 56

How are RBC in chickens different than dogs/cats?

Back 56

They have nuclei.

Front 57

What is the fxn'l equivalent of the mammalian platelet in the chicken?

Back 57

thrombocyte

Front 58

Are basophils common in avian blood?

Back 58

YES

Back 59

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