Aggregated lymphatic nodules –>
Peyer’s patches
lymphoid organs located in the sub mucosal tissue of the mammalian gut containing very high proportions of iga secreting precursor cells. The patches have B and t dependent regions and germinal centres. A specialised epithelium lies between the patch and the intestine. Involved in gut associated immunity.
Aggregated lymphatic nodules –> Peyer’s patches lymphoid organs located in the sub mucosal tissue of the mammalian gut containing very high proportions of iga secreting precursor cells. The patches have B and t dependent regions and germinal centres. A specialised epithelium lies between the patch and the intestine. Involved in gut associated immunity...
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..
Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are m..
Leaves are the major photosynthetic organ of a plant. Apart from that, they are also crucial to water movement. In this ..
This tutorial describes the role of gibberellin family in plants. Find out the effects of gibberellin on plant growth an..
Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..
