micro, u can do this fr!!!!!!!! Flashcards
(43 cards)
Q3. Within which structures do the arteries, veins, and nerves run?
Q2. Is the arrow pointing to the adventitia or serosa? Give a reason for your answer.
Q3. Is the arrangement of the connective tissue between the trachea and oesophagus dense or loose? What is the significance of this arrangement?
Q4. The outermost layer of which layer oesophagus is called the …… which is lined by …… cells.
Q6. What specific effect would contraction of the inner circular layer of muscularis externa achieve?
narrow
Q7. What specific effect would contraction of the outer longitudinal layer of muscularis externa achieve?
shorten tube
Q9. Is the connective tissue making up the submucosa dense or loose? What is the significance of this?
Q13. What type of epithelium lines the lumen? of the mucosa
Q14. What does this tell you about its role?
non-keratinised, stratified squamous epithelium
protection against abrasion, sacrificial
Q10. Have a look at the section taken from the gastric end. What epithelial structure may sometimes be found in the submucosa?
glands
Q11. Note the intermittent projections of lamina propria into the epithelium. What might be a possible explanation for this arrangement?
parietal and lamina propria
Q6. Explain what the circular structures at ‘G’ in the previous questions are.