Figure 16.2 Using the Figure Above, Identify the Labeled Structure(s) in Each

question 125

Multiple Choice

Figure 16.2

Using the figure above, identify the labeled structure(s) in each of the following questions.
-Identify the structure indicated by Label O.

• A) Lateral ventricles
• B) Third ventricle
• C) Fourth ventricle
• D) Cerebral aqueduct
• E) Interventricular foramen

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Definitions:

Coelom

A fluid-filled body cavity found in most multicellular animals, situated between the intestinal canal and the body wall.

Coelomic Cavity

The Coelomic Cavity is a fluid-filled body cavity within organisms that is lined by a tissue derived from mesoderm, providing space for the internal organs and allowing them to move independently.

Cloacal

Relating to the cloaca, a common cavity at the end of the digestive tract for the release of both excretory and genital products in vertebrates such as birds, reptiles, amphibians, and some fish.

Early Digestive Tract

Refers to the initial sections of the digestive system where the breakdown of food begins, including the mouth, esophagus, and stomach.