In ____________________, the Bones Fail to Calcify Normally, Causing Growth

question 17

Short Answer

In ____________________, the bones fail to calcify normally, causing growth retardation and skeletal abnormalities.

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Definitions:

Gastrulation

Process in embryonic development during which the three germ layers (ectoderm, mesoderm, and endoderm) form.

Blastula

An early stage of embryonic development in animals, characterized by a spherical layer of cells (blastomeres) surrounding a fluid-filled cavity (blastocoel).

Morula

An early embryo consisting of a solid ball of cells.

Gastrula

A three-layered embryo formed by the process of gastrulation.