The Initial Cone-Shaped Segment of an Axon at the Junction

question 10

Multiple Choice

 The initial cone-shaped segment of an axon at the junction with the cell body is known as the axon

• A) spine.
• B) spike.
• C) hillock.
• D) terminal.

---

Definitions:

Excitation

The process of causing a cell or an organism to become activated or more active.

Antagonists

Drugs that impede the activity of a neurotransmitter.

Opponent-Process Theory

A psychological and neurological model that explains how the perception of colors results from opposing neural processes.

Chromatic/Achromatic

Refers to colors with hue (chromatic) and without hue (achromatic), such as black, white, and grays.