Uterine Implantation Due to Enzymatic Digestion of the Endometrium Is

question 57

Multiple Choice

Uterine implantation due to enzymatic digestion of the endometrium is initiated by the ________.

• A) inner cell mass
• B) endoderm
• C) mesoderm
• D) trophoblast

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Definitions:

Breccia

A rock composed of large, angular fragments; typically formed in sedimentary environments, but can be formed by volcanic, hydrothermal, or tectonic processes.

Sandstone

A sedimentary rock formed by the consolidation and compaction of sand and held together by a natural cement, such as silica.

Cement

1. A natural material precipitated in the pore spaces between grains, helping to hold the grains together. 2. A processed, whitish powder, typically derived from calcium carbonate, that sets to a solid mass when mixed with water and usually other materials.

Sedimentary Rocks

Rocks formed by the accumulation and consolidation of sediment, typically layered and including types such as sandstone and shale.