Digestive System - Histology

Front 1

Pharynx embryological origin

Back 1

Stomadeo

Front 2

Lining of most of the oral cavity

Back 2

Stratified squamous epithelium

Front 3

Lateral walls of the oral cavity

Back 3

Lips, Gingivae, Labial Frenulum

Front 4

Lining of hard palate

Back 4

Keratinized stratified squamous epithelium

Front 5

Lining of Lining mucosa

Back 5

Non-keratinized stratified squamous ET

Front 6

Part of tooth with most nerve endings

Back 6

Root

Front 7

Suspend the teeth in its socket

Back 7

Periodontal ligament

Front 8

Separates the anterior 2/3 of tongue from posterior 1/3

Back 8

Sulcus terminalis

Front 9

Lingual papillae without taste buds

Back 9

Filiform papillae

Front 10

Lingual papillae that demarcates anterior and posterior parts of tongue

Back 10

Circumvallate papillae

Front 11

The submucosa of the posterior third of the tongue contains MALT, forming part of what structure?

Back 11

Waldeyer's ring

Front 12

Lining of part of the pharynx close to esophagus

Back 12

Non-keratinized stratified squamous ET

Front 13

Lining of part of pharynx close to nasa cavity

Back 13

Ciliated pseudostratified ET

Front 14

Lining of the mucosa of the esophagus

Back 14

Non-keratinized stratified squamous epithelium

Front 15

Glands in the esophagus that lubricate bolus as it passes down

Back 15

Submucosal esophageal glands

Front 16

Part of GI tract that contains both smooth and skeletal muscles

Back 16

Esophagus

Front 17

Epithelial lining of stomach

Back 17

Simple columnar epithelium

Front 18

Invagination of the epithelial lining of the stomach form what structures?

Back 18

Gastric pits

Front 19

Secretion of the stomach that liquifies the bolus

Back 19

Gastric juice

Front 20

Cells of the stomach that secrete HCl

Back 20

Parietal cells

Front 21

Cells of the stomach that secrete lipase

Back 21

Chief cells

Front 22

Cells of the stomach that secrete intrinsic factor

Back 22

Parietal or oxyntic cells

Front 23

Cells of the stomach that secrete pepsinogen

Back 23

Chief or zymogenic cells

Front 24

Bulging irregular areas of the inner surface of stomach

Back 24

Gastric areas

Front 25

Rugae folds are oriented how?

Back 25

Longitudinally

Front 26

Regions of the stomach that are histologically and microscopically similar?

Back 26

Fundus and body

Front 27

Part of stomach with no longitudinal layer

Back 27

Lesser curvature

Front 28

Cells in the fundus that are rich in mitochondria and thus, appear pink during staining

Back 28

Parietal cells

Front 29

Basophilic cells of the fundus

Back 29

Chief cells

Front 30

Region of stomach with shallow gastric pits, with simple or branched tubular glands

Back 30

Cardia

Front 31

Region of stomach wherein chief cells are usually absent

Back 31

Pylorus

Front 32

Shallow gastric pits and simple or branched tubular glands

Back 32

Cardiac glands

Front 33

Most common cause of gastric ulcer

Back 33

Helicobacter pylori

Front 34

Hours of ingested nutrients in Small Intestine

Back 34

12 hours

Front 35

Area of duodenum with pancreatic duct and common bile duct

Back 35

2nd area

Front 36

Epithelium of villi

Back 36

Simple columnar epithelium

Front 37

Augment the luminal surface area of small intestine 20x

Back 37

Microvilli

Front 38

Retard the velocity of chyme in the small intestine

Back 38

Plicae circulares (Valves of Kerckring)

Front 39

Openings in the intervillous spaces of the small intestines

Back 39

Crypts of Lieberkühn

Front 40

Layers of Small Intestine

Back 40

Tunica mucosa

Tunica submucosa

Tunica muscularis

Tunica serosa

Front 41

Thin layer of smooth muscle located at the base of crypts

Back 41

Lamina muscularis mucosae

Front 42

This layer of the small intestine contains Brunner's glands in the duodenal area

Back 42

Tunica submucosa

Front 43

Cells that produce mucinogen, which will later on become mucus

Back 43

Goblet cells

Front 44

Phagocytose intraluminal antigens and transfer them to lymphocytes

Back 44

M cells

Front 45

Cells in the bases of the crypts in SI that contain lysozymes, glycoproteins, and zinc

Back 45

Paneth cells

Front 46

Area of the SI that contains peyer's patches

Back 46

Ileum

Front 47

Lymphoid aggregations in lamina propria of ileum

Back 47

Peyer's patches

Front 48

Part of SI that contains tongue-shaped villi

Back 48

Jejunum

Front 49

Part of GIT without villi and plicae circulares but with microvilli, Goblet cells and crypts of Lieberkühn

Back 49

Large intestine

Front 50

The outer longitudinal layer of the mucularis externa of the LI forms what structure?

Back 50

Taenia coli

Front 51

Intestine with more numerous goblet cells

Back 51

Large intestine

Front 52

Small blind-ending diverticulum that contains large accumulation of lymphoid tissues

Back 52

Vermiform appendix

Front 53

Lining of appendix

Back 53

Simple columnar epithelium

Front 54

Epithelium of the upper part of anal canal

Back 54

Simple columnar epithelium

Front 55

Epithelium of middle part of anal canal

Back 55

Non-keratinize Stratified squamous epithelium

Front 56

Separates the internal hemorrhoids from the external hemorrhoids

Back 56

Dentate line

Front 57

Small mucosal folds between anal columns

Back 57

Pectinate line

Front 58

Sphincter of anal canal that can be cut

Back 58

Internal sphincter

Front 59

Part of anal canal that contains columns of Morgagni

Back 59

Anal mucosa

Front 60

Form anal valves that house the anal sinuses

Back 60

Anal columns of Morgagni

Front 61

Formed by thickenings of the Skeletal muscle of the floor of the pelvis

Back 61

External anal sphincter

Front 62

Thickened inner circular layer at the pectinate line

Back 62

Internal anal sphincter

Front 63

Secretions of the GIT tract are controlled by what?

Back 63

Parasympathetic NS

Front 64

Volume of saliva secreted daily

Back 64

1.0 - 1.5 L

Front 65

IgA dimers are taken up by what structures in the salivary gland?

Back 65

Acinar cells and striated duct cells

Front 66

Functional unit of salivary gland

Back 66

Salivon

Front 67

Pyramidal, protein and enzyme secreting cells

Back 67

Serous cells

Front 68

Serous cells at the distal end of mucous tubuloalveolar secretory unit that secrete lysozyme

Back 68

Serous demiluned

Front 69

Contractile cells with numerous processes

Back 69

Myoepithelial cells

Front 70

Lining of intercalated ducts

Back 70

Cuboidal epithelial cells

Front 71

Cause infoldings of striated duct

Back 71

Basolateral infoldings and numerous mitochondria