Answer / andy

1. M cells take up antigen.
2. stimulated B cells leave Peyer's patch and travel
through lymph and blood to lamina propria of intestine.
3. In lamina propria B cells differentiate into IgA-
secreting plasma cells.
4. IgA receives protective secretory component.
5. IgA is transported across epithelium to gut to deal with
intraluminal Ag.

What is the most common tumor the adrenal medulla in adults?

1 Answers  

---

How many systems are there in a human body?

1 Answers  

---

Define oikilocytosis?

1 Answers  

---

What does the right 4th aortic arch give rise to?

1 Answers  

---

What effects does cocaine have on the foetus?

1 Answers  

---

---

CN VII passes through what 'hole'?

1 Answers  

---

What are the 1st branchial arch derivatives innervated by?

1 Answers  

---

What are two basic morphological characteristics of neutrophils?

2 Answers  

---

What is produced by alpha cells of the Islets of Langerhans?

1 Answers  

---

What cell type closely resembles a mast cell?

1 Answers  

---

Which cells are rich in smooth ER?

1 Answers  

---

What gut regions and structures does the IMA supply?

1 Answers  

---