Gastrointestinal Flashcards
epithelium features in esophagus
nonkeratinised stratified squamous epithelium
histological features in stomach
gastric glands
histological features in duodenum
- villi and microvilli
- brunner glands
- crypts of leiberkuhn
histological features in jejunum
- plicae circulaires (also present in distal duodenum)
- crypts of leiberkuhn
histological features in ilium
- Peyer patches
- plicae circulaires
- crypts of leiberkuhn
- largest number of goblet cells in large intestine
histological features in colon
- crypts of leiberkuhn
- no villi
- abundant goblet cells
what are Brunner glands
HCO3- secreting cells of submucosa
what do crypts of leiberkuhn contain
contain stem cells that replace enterocytes/goblet cells
and paneth cells that secrete defensins, lysozymes and TNF
what are Peyer patches
lymphoid aggregates in lamina propria, submucosa
what are goblet cells
synthesise and secrete mucous
what are plicae circulaires
numerous folds of mucous membrane which contain villi and microvilli
what is this
esophagus
what is this
esophagus
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esophagus
what is this. and label the blanks
gastro-esophageal junction
what is this
stomach
what is this. and label the blanks
stomach