Embryonic Structure
pronephric
Subclass of:
Embryonic Structures
Definitions related to pronephric:
  • (pronephros) The primordial kidney that develops from the INTERMEDIATE MESODERM in the embryos of vertebrates, and is succeeded by the MESONEPHROS. In higher vertebrates and humans, the pronephros is a vestigial and transient structure.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (pronephros) The primordial kidney, which is the earliest stage in kidney development in the human embryo; it is composed of three structures: the pronephros duct, the pronephros tubules and the coelom, and is located in the cranial part of the nephrogenic cord.
    NCI
    U.S. National Cancer Institute, 2021
  • Pronephros, most primitive of the three vertebrate kidneys, active in the adults of some primitive fish (lampreys and hagfish), the embryos of more advanced fish, and the larvae of amphibians. It is a paired organ consisting of a series of nephrons that filter urine from both the pericardial...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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