Which Term Refers to Anatomical Features That Serve No Current

question 19

Multiple Choice

Which term refers to anatomical features that serve no current function?

• A)homologous structures
• B)adaptations
• C)original elements
• D)genetic weaknesses
• E)vestigial organs

Explain the role and function of different classes of hormones within the body.

Understand the difference between psychoactive substance use, abuse, and dependence.

Explore the mechanisms of action of drugs used to treat depression and their effects on neurotransmitter systems.

Understand the physiological roles of different neurotransmitters.

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Definitions:

Amacrine

A type of neuron in the retina that plays a critical role in the visual processing pathway by modulating the signal between bipolar cells and ganglion cells.

Superior Colliculus

A structure located in the midbrain that plays a role in visual processing and eye movement control.

Lateral Geniculate Nucleus

A part of the thalamus that processes visual information from the retina before it reaches the cortex.

Parietal Cortex

A part of the parietal lobe involved in processing sensory information relating to touch, spatial orientation, and navigation.