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-Blanche of Castile
Differentiate
To recognize or ascertain what makes something or someone different, or in biology, the process by which cells or tissues change from relatively generalized to specialized kinds, during development.
Derived
Obtained from a specific source or originating from something; made by altering or modifying something else.
Ectoderm
is the outermost layer of cells or tissue of an embryo in early development, giving rise to the epidermis and nervous system.
Notochord
A pliable stick-like structure composed of a substance akin to cartilage, offering support within all embryonic and certain adult members of the chordate group.