| black-legged tick |
Ixodes scapularis: parasitic on mice of genus Peromyscus and bites humans; principal vector for Lyme disease in eastern United States (especially New England); northern form was for a time known as Ixodes dammini (deer tick)
Ãâó: wordnet.princeton.edu/perl/webwn
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|---|---|
| black-necked cobra |
aggressive cobra widely distributed in Africa; rarely bites but spits venom that may cause blindness
Ãâó: wordnet.princeton.edu/perl/webwn
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| blastocytoma |
blastoma: a tumor composed of immature undifferentiated cells
Ãâó: wordnet.princeton.edu/perl/webwn
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| blastoderm |
a layer of cells on the inside of the blastula
Ãâó: wordnet.princeton.edu/perl/webwn
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| blastodermic vesicle |
blastula: early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs
Ãâó: wordnet.princeton.edu/perl/webwn
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