Lab 3

Question 1

Where are nuclei found in goblet cells?

Answer 1

At the base

Question 2

What is the epithelial classification of sebaceous glands?

Answer 2

Simple alveolar gland

Question 3

What type of secretion do sebaceous glands utilize?

Answer 3

Holocrine secretion

Question 4

Where are the nuclei of the cells of sebaceous glands?

Answer 4

Centrally located

Question 5

Why is characterisitc of the cytoplasm of sebaceous gland cells? What brings this about?

Answer 5

Clear, due to high lipid content

Question 6

What can you see in cross section of coiled glands?

Answer 6

Both secretory part, and ductal part

Question 7

How do the secretory and ductal parts of SWEAT glands stain?

Answer 7

Secretory is light, ductal is dark (note that this is the OPPOSITE as usual)

Question 8

What type of epithelium comprises the ducts of sweat glands?

Answer 8

Stratified cuboidal

Question 9

Multicellular sheet in the stomach secrete what?

Answer 9

Mucus

Question 10

What type of epithelium comprises multicellular sheets?

Answer 10

Simple columnar

Question 11

What type of cells are beneath the multicellular sheets?

Answer 11

Branched tubular glands

Question 12

What is the classification of the duodenal glands?

Answer 12

Simple branched tubular

Question 13

What is the classification of the intestinal glands?

Answer 13

Simple tubular

Question 14

What type of cells are found in the parotid gland?

Answer 14

Compound acinar glands

Question 15

What are acini?

Answer 15

Secretory units within an acinar gland

Question 16

Each cell within a acini is called what?

Answer 16

Acinar cells

Question 17

What type of secretions do the acinar cells of the parotid gland produce?

Answer 17

watery serous secretions

Question 18

Multiple acini together form what?

Answer 18

A lobule

Question 19

What are the ducts that pierce through acinar lobules?

Answer 19

Intralobular ducts

Question 20

What are the ducts that are found between acinar lobules?

Answer 20

Interlobule duct

Question 21

What will you see around an intralobular duct? Interlobuler?

Answer 21

Intralobular -acinar cells

Interlobular - CT

Question 22

Striated ducts within the parotid glands are of what type: inter or intraloular?

Answer 22

Intralobular

Question 23

What causes the acidophilic striations in the intralobular striated ducts? What do these cause?

Answer 23

Mitochondria

Nuclei are pushed to the apical domain (toward duct)

Question 24

What type of gland is the submandibular gland? Why?

Answer 24

mixed, there are both serous cells and mucus cells

Question 25

How do mucus cells appear in the submandibular gland?

Answer 25

Lightly stained, with nuclei in the basal domain

Question 26

How do serous cells appear in the submandibular gland?

Answer 26

Darkly stained, acidophilic

Question 27

Which are found in greater numbers within the submandibular gland: serous cells or mucus cells?

Answer 27

Serous cells

Question 28

What are serous demilunes? What are they produced by?

Answer 28

"Caps" produced by serous cells over the mucus cells. Found in submandibular glands. THESE ARE ARTIFACTS of tissue processing.

Question 29

What is the classification of the sublingular gland? How is it different from the submandibular gland?

Answer 29

It is a compound tubulo alveolar gland, but has mucus cells predominating

Question 30

What type of ducts are found in the sublingual gland?

Answer 30

Intralobular striated duct

Question 31

What type of gland is the pancreas?

Answer 31

Compound acinar gland

Question 32

Intercalated ducts are of what type?

Answer 32

Intralobular

Question 33

What are centroacinar cells?

Answer 33

Cells that make up the intraacinar segment of the intercalated duct

Question 34

What does the reticular layer of the dermis contain?

Answer 34

Dense irregular CT and elastic fibers

Question 35

How many layers of cells are in the stratum basale?

Answer 35

Single

Question 36

How many layers of cells are in the stratum spinosum?

Answer 36

Several

Question 37

What is the basophilic chemical in the statum granulosum?

Answer 37

Keratohyaline

Question 38

How many layers of cells are in the stratum granulosum?

Answer 38

Few

Question 39

Where in the skin are Meissner's corpusles seen?

Answer 39

Papillary part of the dermis

Question 40

What is the classification of sebaceous glands?

Answer 40

Simple alveolar gland

Question 41

What type of exocrine gland cell has avaculated cytoplasm?

Answer 41

Sebaceous cells

Question 42

Do all hair follice have sebaceous glands? Is the reverse true?

Answer 42

All hair follice have sebaceous glands, but the reverse is not true

Question 43

What is released when the erector pilli muscle contract?

Answer 43

sebaceous secretions

Question 44

What does the pacinian corpulse look like? What is its function? Where are these located?

Answer 44

cut onion Mechanoreceptor Dermis

Question 45

What do Meissner's corpuscles look like?

Answer 45

Swirly thingy

Question 46

What are the histologic features of a hair follicle? (in order)

Answer 46

Hair cortex Internal root sheath External root sheath Glassy membrane

Question 47

What is external to the glassy membrane of hair follices?

Answer 47

CT

Question 48

Looking at a Neutrophil sample from a pt, you see a Dohle body inclusion. Lab tests shows leukocytosis with a L shift. What does this pt likely have?

Answer 48

Bacterial sepsis

Question 49

How big is the nucles in lymphocytes?

Answer 49

HUGE-like the whole thing

Question 50

How do neutrophils appear at the LM level?

Answer 50

many (3-5) lobed nucleaus

Question 51

What do platelets look like at the LM level?

Answer 51

Blob smaller than RBCs

Question 52

What do the secondary granules of neutrophis stain?

Answer 52

Pink

Question 53

How do monocytes appear at the LM level?

Answer 53

1. Large 2. a kidney to horseshoe shaped nucleus 3. a blue-gray cytoplasm 4. irregular plasmalemma

Question 54

How do Basophils appear at the LM level?

Answer 54

Bilobed nucleus usually obscure by coarse secondary granule

Question 55

How do eosinophils appear at the light level?

Answer 55

Bilobed nucleus | secondary, acidophilic granules present

Question 56

Why is the lymph node cortex darker than the medulla?

Answer 56

Filled with lymphocytes, which have predominant, basophilic nuclei

Question 57

What is the order of lymphocytes in lymph nodes, from cortex to medulla?

Answer 57

``` Cortex = B Paracortex = T Medulla = B + plasmsa ```