Human Brain Anatomy
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Questions and Answers

The intervening furrows, if shallow, is called ______.

sulcus

The innermost part of the brain is made up of ______ matter.

white

The brain grows rapidly up to the ______ year of life and stops growing after the age of 20.

fifth

The ______ fissure is associated with centers for speech and hearing.

<p>Lateral</p> Signup and view all the answers

The brain is divided into two hemispheres, each with a full set of centers for ______ and sensory functions.

<p>motor</p> Signup and view all the answers

The weight of the adult brain is approximately ______ grams in males.

<p>1380</p> Signup and view all the answers

The ______ serves as a relay station between the cerebrum and the rest of the brain and spinal cord.

<p>thalamus</p> Signup and view all the answers

The ______ lies below the thalamus, forming the lateral walls and floor of the third ventricle.

<p>hypothalamus</p> Signup and view all the answers

The ______ connects the pons and cerebellum with the cerebrum and is concerned with motor coordination.

<p>mesencephalon</p> Signup and view all the answers

The ______ is the most dorsal portion of the diencephalon and forms the roof of the third ventricle.

<p>epithalamus</p> Signup and view all the answers

The ______ is a canal that connects the third ventricle of the diencephalon with the fourth ventricle of the metencephalon.

<p>Sylvian or cerebral aqueduct</p> Signup and view all the answers

The ______ is the most superior portion of the hindbrain.

<p>metencephalon</p> Signup and view all the answers

The cerebral surface, called the '______' is composed of gray matter.

<p>cerebral cortex</p> Signup and view all the answers

The Insula or ______ of Reil is the limbic center and center for libido.

<p>Island</p> Signup and view all the answers

The ______ lobe is the center for vision.

<p>occipital</p> Signup and view all the answers

The ______ is the seat of mental activities like memory, intelligence, sense of responsibility, thinking, reasoning, moral sense, and learning.

<p>Cerebrum</p> Signup and view all the answers

The ______ nuclei influence the skeletal muscle tone.

<p>Basal</p> Signup and view all the answers

The ______ nerve is responsible for the movement of the eyeball down and out.

<p>trochlear</p> Signup and view all the answers

The ______ lobe is the center for motor functions and personality.

<p>Frontal</p> Signup and view all the answers

The ______ nerve is responsible for sensation in the face.

<p>trigeminal</p> Signup and view all the answers

The ______ nerve serves to sense the smell.

<p>olfactory</p> Signup and view all the answers

The ______ nerve is responsible for the movement of the head.

<p>accessory</p> Signup and view all the answers

The ______ nerve is responsible for the movement of the tongue.

<p>hypoglossal</p> Signup and view all the answers

The ______ nerve is responsible for the lateral movement of the eyeball.

<p>abducens</p> Signup and view all the answers

Cerebrospinal fluid (CSF) is derived from the ______ and secreted by the choroid plexus.

<p>blood</p> Signup and view all the answers

The ventricular system in the cerebral hemispheres and hindbrain consists of two lateral ventricles and the midline ______ and fourth ventricles connected by the aqueduct of Sylvius.

<p>third</p> Signup and view all the answers

Cerebrospinal fluid (CSF) fills the ventricles and passes through the ______ subarachnoid spaces and drains back into the blood.

<p>craniospinal</p> Signup and view all the answers

One function of CSF is to act as a ______ or shock absorber.

<p>cushion</p> Signup and view all the answers

Inters al fluid is also derived from the ______ and may alter substantially, both in composition and in amount.

<p>blood</p> Signup and view all the answers

The Circle of Willis is an arterial anastomosis at the base of the ______.

<p>brain</p> Signup and view all the answers

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