In the sheep brain, the thalamus is
[ Select ]
medial
posterior
caudal
ventral
rostral
to the inferior and superior colliculi.

Question

In the sheep brain, the thalamus is 
[ Select ]
medial
posterior
caudal
ventral
rostral
 to the inferior and superior colliculi.

BlackTom AI · Accepted Answer

First, let's restate the question and the options clearly to ensure we know what is being asked.
Question: In the sheep brain, the thalamus is [Select] medial, posterior, caudal, ventral, rostral to the inferior and superior colliculi.
Options: medial, posterior, caudal, ventral, rostral.
Now, evaluate each directional term in relation to the inferior and superior colliculi, which are structures located on the dorsal midbrain (tectum). This places the colliculi high in the midbrain area.
- medial: Being medial means toward the midline. While the thalamus is near the midline of the diencephalon, the comparison here is specifically relative to the colliculi in the midbrain. Saying the thalamus is medial to the colliculi would imply a front-to-back or left-right alignment relative to the colliculi, which is not the standard primary descriptor for their anterior-posterior relationship. Therefore, this option is not the best descriptor of the thalamus’ position relative to the colliculi.
- posterior: Posterior means toward the back. The thalamus lies more rostrally (anterior) to the midbrain structures including the colliculi, so describing it as posterior would be inaccurate.
- caudal: Caudal means toward the tail or posterior end. Since the colliculi are located in the midbrain, a caudal relationship would place the thalamus behind them, which is not correct for the thalamus relative to the colliculi.
- ventral: Ventral means toward the belly or underside. The thalamus sits superior to (above) the midbrain structures in the brain’s dorsal-ventral axis, so ventral would misstate the vertical relationship.
- rostral: Rostral means toward the nose or anterior end. The thalamus is anterior to the midbrain tegmentum where the colliculi reside, making rostral the appropriate descriptor for its position relative to the inferior and superior colliculi.
In summary, among the provided directional terms, rostral best captures the thalamus’s relative position to the colliculi, while the others do not align with the anteroposterior or vertical relationships between these structures.

Neurobiology Lab (Spri... Make-up Week 1 Progress Check

In the sheep brain, the thalamus is [ Select ] medial posterior caudal ventral rostral to the inferior and superior colliculi.

View Explanation

Log in for full answers

Similar Questions

Question at position 15 What is the name of the large bundle of axons that connects the two halves of the brain?angular gyrusbasal gangliacingulate gyruscorpus callosum

Which of the following is NOT part of the brainstem?[Fill in the blank]

Which of the following best describes the function of the hypothalamus?[Fill in the blank]

Where is the somatosensory cortex, which maps sensory input from the skin?

The white matter in the cerebral cortex contains cell bodies of neurons

Question at position 19 What is the cerebral cortex?The entire brain and the spinal cordThe outer surface of the brainThe entire brainThe interior of the brain

Question at position 17 What is the corpus callosum? A branch of the parasympathetic nervous systemOne of the muscles that control the mouth and tongueA set of axons connecting the hemispheres of the brainA brain area important for the production of speech

Question at position 10 The brain’s two hemispheres communicate by means of which of these?Sympathetic nervous systemParasympathetic nervous systemCorpus callosumVagus nerve

More Practical Tools for International Students

Homework AI Solver

Stylized Writing Assistant

Plagiarism Checker Assistant

Citation Assistant

In-Class Translation Assistant

Class Notes Assistant

Quiz Search Assistant

Past Exam Questions by School

Smart Practice Assistant

Adaptive Practice

Making Your Study Simpler