What is Pentephros?

Prosephros is a small segment of an exclusion or renal system in many types of animals that are suitable for kidney development. The kidney function in species such as ampioxus or Lancelet, a small seabeling that plunges into the floor of the seabed, uses phonephros as their main excretory organ. For more advanced animals, such as mammals, it is a remnant organ that develops first to help in the development of the larger renal organ of the Mesonefros embryo. Primitive fish, such as certain Lamprey species, as well as larval stages of other fish and selected amphibians also have an active phonephros. In addition to people and other mammals, this exists, but has little or no function in reptiles and birds.

Parephos develops as a number of segmented, central embryo bacteria known as Mesoderm in humans over three to four weeks. To grows inside the cervix for about three weeks, then they begin to regret inThe fourth week of embryo development, after which the connected mesonefros takes over the growth cycle of the renal system. As Mesonephros ripens, Crainal-Caudad grows in a manner or from the head to the heel, eventually attaching to the urogenital passage. This is most important if the embryo evolves as a man, because this connection is also part of the genital function. The fully developed mesonephros will later serve as a method of drainage of urine from the kidneys, but in more primitive organisms this role plays this role in adult creatures.

The kidney function between different types of organisms is divided into three divisions: Promefros and Pronephrický channel, mesonephros and metanephros, which develop in the five -week phase in mammals. However, Parephos is generally considered to be a paired organ, which is associated with nephrons or nephrostomes directly from the height, and in primitive animals such as Hagfish, urine is filtered directly through nephrons to Parefros. While parts of the kidneys such as nephrostomes are necessary in primitive fish, there are no mesonepHros that take over the renal function of mammals.

both primitive and advanced organisms rely on another feature of the renal system known as the glomerulus, which exists next to Rebefros and Mesonephros. Glomerulus is also known as Malpighian Tuft and is a series of intertwined capillary blood vessels in the nephron structure that is used to remove urine and toxins from the blood. These liquids are attracted either to the Promefros or Mesonefros directly from the glomerulus.