The term "neurenteric canal" refers to a narrow passage that connects the neural tube and the yolk sac during embryonic development. The word is spelled as /njuːrɛnˈtɛrɪk/ in the International Phonetic Alphabet. The "neur-" prefix indicates the word's relation to nerves or the nervous system, while the "-enteric" suffix refers to the intestine. The spelling of this word may be confusing due to the combination of vowels and consonants, but understanding its phonetic transcription can help with more accurate pronunciation.
The neurenteric canal refers to a transient embryonic structure that develops during the early stages of vertebrate embryogenesis. It is a canal-like passageway that connects the developing neural tube with the embryonic gut tube. This canal represents a communication path between the neural tube, which develops into the central nervous system, and the gut tube, which eventually gives rise to the digestive system.
During the neurulation process, the neural tube forms from the ectoderm. Simultaneously, the endoderm gives rise to the embryonic gut tube. The neurenteric canal appears as a narrow duct connecting these two structures. Its formation is thought to occur due to a failure in the fusion of the ectoderm and the endoderm in the embryo's midline.
The neurenteric canal is a transient structure as it typically closes during the later stages of development. Failure of the canal to close properly can lead to persistent communication between the neural and gut tubes, resulting in a condition known as neurenteric cyst or canal. This can cause various health issues, including digestive and neurological problems.
The study of the neurenteric canal provides valuable insights into the early embryonic development and the formation of the central nervous system. Its existence highlights the delicate intricacies involved in the establishment of various organ systems and serves as an important topic of investigation in developmental biology.
Notochordal c., an open communication, in early fetal life, between the posterior portion of the medullary and the intestinal canals.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The term "neurenteric canal" is derived from the combination of two words: "neuro" and "enteric".
1. "Neuro" comes from the Greek word "neuron" (νεῦρον), which means "nerve". It refers to various nerves or nervous system-related structures.
2. "Enteric" comes from the Greek word "enteron" (ἔντερον), which means "intestine" or "gut". It relates to structures associated with the intestines or the digestive system.
Therefore, "neurenteric canal" is a compound term combining the ideas of "nerves" and "intestines".