The Embryonic Disc Appears First as a Bilayered Structure of Ectoderm

question 19

True/False

The embryonic disc appears first as a bilayered structure of ectoderm and endoderm next to the amniotic cavity.

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Definitions:

Expressions

Combinations of variables, operations, values, and functions that are evaluated to produce another value in programming.

Variable Name

An identifier assigned to a storage location in memory to store values during a computer program's execution.

Declared

In programming, to specify the type and optionally the initial value of variables or functions before they are used.

Global Variables

Variables defined in a program's global scope, accessible and modifiable from any part of the program.