pronephros वाक्य
उदाहरण वाक्य
मोबाइल
- The pronephros develops from the intermediate mesoderm, as do the later kidneys.
- In humans, the pronephros is just rudimentary, and undergoes rapid atrophy and disappears.
- Pax2 and Pax8 are also necessary for the formation of the pronephros and subsequent kidney structures.
- A secondary glomerulus is formed ventral to each of these, and the complete group constitutes the pronephros.
- Despite this transient appearance in mammals, the pronephros is essential for the development of the adult kidneys.
- Thus, the Wolffian duct is what remains of the pronephric duct after the atrophy of the pronephros.
- In mammals a functional pronephros, in the context of an organ performing waste excretion or osmoregulation, does not develop.
- The 1st phase is the pronephros, the 2nd phase is the mesonephros and the 3rd and final stage is the metanephros.
- After false starts with pit vipers and squirrels, she completed a dissertation project on the embryonic development of the pronephros in fish.
- This continues to grow caudalward until it opens into the ventral part of the cloaca; beyond the pronephros it is termed the Wolffian duct.
- Kidney development, also called " nephrogenesis ", proceeds through a series of three successive developmental phases : the pronephros, mesonephros, and metanephros.
- These embryonic structures are on either side; the pronephros, the mesonephros and the metanephros of the kidney, and the Wolffian and M�llerian ducts of the sex organ.
- I guess it's safe to assume that at the larval stage it's a pronephros, but does it change to a mesonephros at a later stage?
- As this primordia begins to undergo epithelialization the anterior portions of the pronephros form rounded protrusions, which then later become the dorsal branches of the pronephros that link to nephrostomes ( distinct from nephrotomes ).
- As this primordia begins to undergo epithelialization the anterior portions of the pronephros form rounded protrusions, which then later become the dorsal branches of the pronephros that link to nephrostomes ( distinct from nephrotomes ).
- To me the most recognizable feature of true segments or somites in animals is that each one has a single unit of excretory tissue-see nephridium and nephrostome, though in vertebrates the pronephros regresses.
- The pronephros disappears very early; the structural elements of the mesonephros mostly degenerate, but the gonad is developed in their place, with which the Wolffian duct remains as the duct in males, and the M�llerian as that of the female.
- Wikipedia says that pronephros is an active organ in the adult hagfish and my book ( Introduction to Chordatezoology by J . M . J�rgensen ) says that in'some'hagfish the pronephros will turn into a bloodcreating organ,'like'mammalian bone marrow, thus making it an active organ but not the active kidney?
- Wikipedia says that pronephros is an active organ in the adult hagfish and my book ( Introduction to Chordatezoology by J . M . J�rgensen ) says that in'some'hagfish the pronephros will turn into a bloodcreating organ,'like'mammalian bone marrow, thus making it an active organ but not the active kidney?
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