PROCHORDAL Meaning and
Definition
-
The term "prochordal" is an adjective derived from the combination of the prefix "pro-" meaning before or in front, and the word "chordal" referring to any structure associated with or related to the notochord. In embryology and anatomy, "prochordal" is used to describe the region or structures located in front of the primitive notochord during early development.
In vertebrate embryos, the prochordal region is crucial in forming the head and brain structures. These include the prechordal plate, which is a specialized area situated anteriorly to the developing notochord. The prechordal plate plays a significant role in the induction and patterning of the embryonic tissues, particularly in the formation of the forebrain.
The prochordal structures are responsible for orchestrating the signals and interactions necessary for the proper development and organization of the head region. They guide the subsequent development of essential features like the brain, eyes, nasal structures, and mouth.
Understanding the prochordal region is fundamental in comprehending the early embryonic development and morphogenesis of vertebrates. Research in developmental biology and evolutionary studies often focus on the prochordal region to gain insights into the evolutionary history and the genetic mechanisms governing head formation.
In summary, "prochordal" refers to the region or structures in front of the notochord during embryonic development, particularly involving the signaling and formation of head structures in vertebrates.
-
Anterior to the notochord, prechordal.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for PROCHORDAL
- orochordal
- lrochordal
- 0rochordal
- peochordal
- pdochordal
- pfochordal
- ptochordal
- p5ochordal
- p4ochordal
- prkchordal
- prlchordal
- prpchordal
- pr0chordal
- pr9chordal
- proxhordal
- provhordal
- profhordal
- prodhordal
- procgordal
- procbordal
Etymology of PROCHORDAL
The word "prochordal" is derived from the prefix "pro-" which means "before" or "prior to" and the word "chordal" which refers to "chord" or "cord". The term originates from Greek. In embryology, "prochordal" is used to describe structures or regions that occur before the formation of the primitive chord or notochord.
Infographic
Add the infographic to your website:
