What are the 2 parts of the corpora quadrigemina and their respective functions?

What are the 2 parts of the corpora quadrigemina and their respective functions?

They are respectively named the inferior and superior colliculus. The corpora quadrigemina are reflex centers involving vision and hearing. It consists of groups of nerve cells-grey matter scattered in white matter. It basically connects the forebrain and the hind brain.

What are the corpora quadrigemina?

The corpora quadrigemina (Latin for “quadruplet bodies”, singular: corpus quadrigeminum) are the four colliculi, two inferior and two superior, that sit on the quadrigeminal plate on the posterior surface of the midbrain.

What part of the brain is corpora quadrigemina located?

midbrain
Corpora quadrigemina is the Latin terminology for the quadruple bodies, also known as the colliculi. These round eminences are located on the posterior surface of the midbrain, just below the thalamus.

Which ventricles are divided by the septum pellucidum?

Which ventricles are divided by the septum pellucidum? The lateral ventricles are cavities within the cerebrum. The right and left lateral ventricles are separated on midline by the septum pellucidum.

What is the function of the corpora Quadrigemina quizlet?

What are the functions of the corpora quadrigemina? SUPERIOR COLLICULI control reflexes of head & eyes in response to VISUAL stimuli. INFERIOR COLLICULI control reflexes of head & eyes in response to AUDITORY stimuli.

What does the pons control?

The pons powers the functions of the head and face The brainstem is made up of three sections, and carries vital information to the body. The pons relays information about motor function, sensation, eye movement, hearing, taste, and more.

Where is the Sylvian aqueduct located?

The cerebral aqueduct (of Sylvius) is the structure within the brainstem that connects the third ventricle to the fourth. It is located within the midbrain, surrounded by periaqueductal grey matter (PAG) with the tectum of midbrain located posteriorly and the tegmentum anteriorly.

In which part of the brain corpora quadrigemina is located a Diencephalon B Mesencephalon C Prosencephalon D Rhombencephalon?

In Mesencephalon part of the brain corpora quadrigemina is located.

What part of the corpora quadrigemina is clearly observed in a midsagittal section?

What part of the corpora quadrigemina is clearly observed in a midsagittal section? The superior colliculus is clearly observed in the transverse fissure on the back of the midbrain.

What are the two parts of the corpora quadrigemina?

The corpora quadrigemina is further divided into two parts, the superior (upper) colliculi and the inferior (lower) colliculi. The corpora quadrigemina controls the position of the head and eyes in response to visual, auditory, and somatic stimuli as well as transmits auditory signals to the auditory center in the cerebral cortex.

Where are the quadruple bodies located in the human body?

Corpora quadrigemina is the Latin terminology for the quadruple bodies, also known as the colliculi. These round eminences are located on the posterior surface of the midbrain, just below the thalamus. There are two superior and two inferior colliculi,with one of each sitting on either side of the midline.

What are the four elevations of the midbrain?

The posterior surface of the adult midbrain is characterized by four elevations collectively called the corpora quadrigemina ( Fig. 13.4 ). The rostral two elevations are the superior colliculi, and the caudal two are the inferior colliculi.

How is the quadruple body related to the optic tract?

Each quadruple body is related to a bundle of nerve fibres called the brachium. The superior brachium establishes the connection between the two superior colliculi, the lateral geniculate body and the optic tract.