Block 3 Histo of the Gut

Question 1

layers of oral cavity

Answer 1

epithelium (nonkeratinized stratified squamous mucosa), connective tissue (lamina propria, submucosa)

Question 2

posterior third of tongue has this which is a lymphoid organ

Answer 2

lingual tonsil

Question 3

anterior 2/3 of tongue has blank on it

Answer 3

papillae

Question 4

mucus glands stain blank

Answer 4

lightly

Question 5

two types of papillae

Answer 5

filiform, fungiform

Question 6

filiform papillae function to blank food

Answer 6

scrape

Question 7

fungiform papillae contain blank and look like a blank

Answer 7

taste buds, mushroom

Question 8

blank papillae also have taste buds

Answer 8

circumvallate

Question 9

tongue layers

Answer 9

epithelium, ct, muscle

Question 10

proprioceptor that holds tooth in alveolar bone

Answer 10

periodontal ligament

Question 11

these make enamel during tooth development

Answer 11

amyloblasts

Question 12

amyloblasts blank after eruption

Answer 12

die

Question 13

odontoblasts blank after eruption

Answer 13

are fine

Question 14

mucosa is derived from blank and is made of blank cells

Answer 14

endoderm, epithelial columnar

Question 15

beneath mucosa is the blank which is a ct and allows for blood supply by diffusion into the mucosa

Answer 15

lamina propria (submucosa)

Question 16

layers around gut`

Answer 16

mucosa, submucosa, muscularis externa, adventitia/serosa

Question 17

mucosa functions to promote digestion by blank

Answer 17

enzymatic secretion

Question 18

small intestine absorbs blank

Answer 18

food nutrients

Question 19

large intestine absorbs blank

Answer 19

water, electrolytes

Question 20

small intestine to rectum has blank cells which secretes mucus

Answer 20

goblet cells

Question 21

only organ that has surface columnar cells secreting mucus

Answer 21

stomach

Question 22

production of hormones by blank cells in the gut

Answer 22

enteroendocrine

Question 23

the blank is the largest endocrine gland

Answer 23

gut

Question 24

epithelium of the mucosa forms a blank between what is in the blank and blank

Answer 24

barrier, lumen, body

Question 25

blank nodules are common in the submucosa

Answer 25

lymphoid

Question 26

blank occur in the submucosa of the esophagus and duodenum

Answer 26

glands

Question 27

most places only have glands in the blank not the blank

Answer 27

mucosa, submucosa

Question 28

submucosa also has the blank which has postganglionic parasympathetics

Answer 28

meissners plexus (submucosal plexus)

Question 29

this is located between inner circular and outer longitudinal layers of muscularis externa and has postganglionic parasympathetics for peristalsis

Answer 29

myenteric plexus (auerbachs plexus)

Question 30

esophagus has upper 1/3 blank muscle

Answer 30

skeletal

Question 31

esophagus has middle 1/3 blank muscle

Answer 31

mixed

Question 32

esophagus has lower 1/3 blank muscle

Answer 32

smooth

Question 33

cardiac region and the body of the stomach has a blank layer of muscle which is unique

Answer 33

oblique

Question 34

cardiac region and the body of stomach has these layers of muscles

Answer 34

circular (middle), longitudinal (outer), oblique (inner)

Question 35

pylorus has a thickened blank layer of muscle to form the pyloric sphincter

Answer 35

circular

Question 36

large intestine has an outer longitudinal band of muscle that is incomplete which forms three bands called blank

Answer 36

taenia coli

Question 37

anal canal has an inner circular layer of smooth muscle that forms the blank and is thickened

Answer 37

internal anal sphincter

Question 38

the blank is made of skeletal muscle and is voluntary

Answer 38

external anal sphincter

Question 39

serosa is aka the blank

Answer 39

visceral peritoneum

Question 40

adventitia and ct with no squamous epithelium is located in the blank and blank

Answer 40

esophagus, rectum

Question 41

this contains fibrous connectie tissue with arteries, veins, nerves, glands in the esophagus

Answer 41

submucosa

Question 42

part of esophagus that is fibrous connective tissue sheatht that binds the esophagus to the trachea

Answer 42

adventitia

Question 43

fundus/body of stomach has blank pits and blank glands

Answer 43

short, long

Question 44

mucous neck cell secrete blank

Answer 44

PGs

Question 45

mucous neck cell requires a blank stain

Answer 45

PAS

Question 46

mucous is a blank

Answer 46

carbohydrate

Question 47

neck of the gland also contains blank cells

Answer 47

undifferentiated stem cells

Question 48

parietal stains blank and are located at blank of gland

Answer 48

not very well, top

Question 49

chief cells are located at the blank of the gland

Answer 49

bottom

Question 50

enteroendocrine cells are located at blank of gland

Answer 50

bottom

Question 51

parietal cells secrete blank and intrinsic factor (aka blank)

Answer 51

HCl, vitamin b12

Question 52

chief cells secrete this

Answer 52

pepsinogen

Question 53

pepsinogen initiates blank digestion in the blank

Answer 53

protein, stomach

Question 54

enteroendocrine cells secrete small blank

Answer 54

polypeptide hormones

Question 55

pylorus of the stomach has blank pits and blank glands and the base of the glands is blank stained

Answer 55

long, short, lightly

Question 56

surface lining cells and glands of the pylorus are blank positive

Answer 56

PAS

Question 57

blank and blank cells are present in the pyloric glands

Answer 57

mucous, enteroendocrine

Question 58

muscularis externa in the cardiac region and body has blank layers

Answer 58

3

Question 59

muscularis externa at pyloric sphincter has these layers

Answer 59

circular, longitudinal

Question 60

SI three ways of increasing surface area

Answer 60

plicae circulares, villi, microvilli

Question 61

two layers that make up a plicae circulares

Answer 61

mucosa, submucosa

Question 62

microvilli are formed from blank filaments and are anchored in the blank

Answer 62

actin, terminal web

Question 63

unique cell of SI that is involved in immune function by producing lysozymes to break down bacterial cell walls

Answer 63

paneth cells

Question 64

si cell type that tells lymph nodule whats coming into the lumen like little sensors

Answer 64

M cells

Question 65

this is in the core of the villus and contains ct, small vessels, lymphatics/lacteals, and many plasma cells

Answer 65

lamina propria

Question 66

the submucosa is different in the blank than these two because the submucosa of the duodenum has blank

Answer 66

duodenum, jejunum/ileum, glands

Question 67

these glands of the duodenum produce alkaline mucus for buffering

Answer 67

brunner cells

Question 68

in the ileum, there are many lymphoid nodules in the lamina propria and submucosa called blank

Answer 68

peyer's patches

Question 69

there are blank glands within the mucosa of the large intestine and there are no plicae, villi, and very few microvilli

Answer 69

simple tubular

Question 70

duodenum to colon has an exponential increase in blank cells

Answer 70

goblet

Question 71

goblet cells make blank

Answer 71

mucus

Question 72

in large intestine, there are many blank in the lamina propria

Answer 72

macrophages

Question 73

modified muscularis externa of the large intestine that has three bands

Answer 73

taenia coli

Question 74

25% of cells in the gut are blank cells (GALT)

Answer 74

lymphoid