While Viewing a Picture of a Three-Week-Old Embryo, Dr

question 24

Multiple Choice

While viewing a picture of a three-week-old embryo, Dr. Pecoraro points to something and says, "This structure will soon become a tube from which the brain and spinal cord will develop." Dr. Pecoraro is pointing at

• A)the neural plate.
• B)the corpus callosum.
• C)the frontal cortex.
• D)an axon.

---

Definitions:

Saturated Color

A color that is fully intense and vivid, without any addition of white, black, or gray, resulting in the purest form of the color.

Single Wavelength

A specific frequency of light or electromagnetic radiation, often used in scientific and technical contexts to describe a monochromatic beam.

Sensory Adaptation

The process by which sensory receptors change their sensitivity to a stimulus over time, often leading to a decrease in sensitivity to a constant stimulus.

Saturation

In a general context, the state or process that occurs when no more of something can be absorbed, combined with, or added.