Examlex
The item numbered 6 in the accompanying figure is the ____.
Blastocyst
An early stage in embryonic development characterized by a sphere of cells surrounding a fluid-filled cavity and a cluster of cells that will develop into the embryo.
Teratogen
An agent or factor that causes malformation of an embryo or fetus, including certain drugs, chemicals, and infections.
Germinal
Pertaining to the earliest stage of embryonic development.
Teratogens
Agents such as chemicals, viruses, and drugs, that can cause congenital abnormalities or developmental malformations in an embryo or fetus.
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