00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| neural tube | |
| —n | |
| the structure in mammalian embryos that develops into the brain and spinal cord. Incomplete development results in neural-tube defects, such as spina bifida, in a newborn baby | |
neural tube n.
A dorsal tubular structure in the vertebrate embryo that develops into the brain and spinal cord.
| neural tube
A tubular structure that results from the folding of tissue along the back of vertebrate embryos and develops into the brain and spinal cord. Improper folding of the neural tube is the cause of spina bifida and other birth defects. |