| neoteny |
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noun - (biology) The retention of juvenile characteristics in the adult; seen, for example, in amphibians
- (biology) The sexual maturity of an organism still in its larval stage
| | | neural crest |
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noun - (anatomy) a strip of ectodermal material in the early vertebrate embryo inserted between the prospective neural plate and the epidermis
| | neurula |
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noun
- (Zoí¶logy): An embryo, or certain invertebrates in the stage when the primitive band is first developed.
| | neurulation |
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noun
- the process by which the beginnings of the vertebrate nervous system is formed in embryos
| | neuter |
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noun
- A person who takes no part in a contest; one who is either indifferent to a cause or forbears to interfere; a neutral.
- Young " The world"s no ; it will wound or save
- (grammar) A noun of the neuter gender; any one of those words which have the terminations usually found in neuter words.
- (grammar) An intransitive verb.
- (biology) An organism, either vegetable or animal, which at its maturity has no generative organs, or but imperfectly developed ones, as a plant without stamens or pistils, as the garden Hydrangea; especially, one of the imperfectly developed females of certain social insects, as of the ant and the common honeybee, which perform the labors of the community, and are called workers.
verb
- To remove sex organs from an animal to prevent it from having offspring; to castrate or spay, particularly as applied to domestic animals.
adjective
- (archaic) Neither the one thing nor the other; on neither side; impartial; neutral.
- South " In all our undertakings God will be either our friend or our enemy; for Providence never stands
- (grammar) Having a form belonging more especially to words which are not appellations of males or females; expressing or designating that which is of neither sex
- a noun; a termination; the gender
- (grammar) intransitive, Intransitive
- a verb
- (biology) Having no generative organs, or imperfectly developed ones; sexless.
| | notochord |
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noun - A flexible rodlike structure that forms the main support of the body in the lowest chordates; a primitive spine
- A similar structure found in the embryos of vertebrates from which the spine develops
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