The mucosa of the cervical canal (endocervix) is composed of a single layer of mucin-secreting columnar epithelium, which covers the surface and the underlying glandular crypts. Isolated neuroendocrine epithelial cells of argentaffin type or argyrophil type are admixed with the normal endocervical cells.
Eutrophication can also occur as a result of natural events, such as climate change and geology. However, natural eutrophication is dramatically increased by human activity. The main difference between anthropogenic eutrophication and natural eutrophication is that the natural process is slow. Learn more about Botany
Eutrophication Eutrophication is a process in which bodies of water (lakes, ponds, and rivers) receive excess nutrients that stimulate excessive growth of algae. The two most â¦ common nutrients that initiate eutrophication are nitrogen and phosphorous, two limiting nutrients in the growth of algae.These two nutrients are usually introduced to the body of water through fertilizer run-off.utrophication occurs when a body of water has too many phosphates.  The most common source of phosphorus in lakes is from agricultural  run off. The second major cause is n â¦ atural due to high amounts of  organic materials falling to the surface of the water.