MEDULLARY GROOVE Meaning and
Definition
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A medullary groove refers to a shallow longitudinal depression running along the length of the neural plate, which is an embryonic structure formed during the early development of the nervous system in vertebrates. It signifies the initial stage in the formation of the neural tube, a crucial structure that eventually develops into the spinal cord and brain.
During early embryonic development, the neural plate, a specialized part of the ectoderm (outermost embryonic tissue layer), starts to fold in on itself to form the neural tube. The medullary groove is the initial visible mark of this folding process, representing the central line where the neural plate begins to invaginate or fold inward. Over time, this groove deepens and ultimately gives rise to the neural tube by fusing at its edges to form a closed cylinder-like structure.
The formation of the medullary groove and subsequent closure into the neural tube is a critical process in embryogenesis as it establishes the foundation for the future central nervous system. Any disturbance or failure in the closure of the medullary groove can lead to neural tube defects, such as spina bifida, resulting in significant neurological abnormalities and disabilities.
In summary, the medullary groove signifies the early stage in the development of the neural tube, representing a shallow groove along the neural plate that eventually closes to form the spinal cord and brain, making it a vital structure in the embryonic development of vertebrates.
Common Misspellings for MEDULLARY GROOVE
- medullary groore
- medullary groote
- medullary groowe
- medullary groovu
- medullary groovm
- medullary groova
- medullary groovg
- m edullary groove
- me dullary groove
- med ullary groove
- medu llary groove
- medul lary groove
- medull ary groove
- medulla ry groove
- medullar y groove
- medullary g roove
- medullary gr oove
- medullary gro ove
- medullary groo ve
- medullary groov e
Etymology of MEDULLARY GROOVE
The word "medullary" in "medullary groove" comes from the Latin word "medullaris", which means "pertaining to the marrow". The term "groove" refers to a narrow depression or furrow. In the context of embryology, the medullary groove is a groove that forms along the dorsal surface of the early embryonic neural plate, which eventually develops into the neural tube and subsequently the central nervous system.
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