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brain
Question | Answer |
---|---|
arachnoid | The thinner, more delicate middle layer of the meninges. |
cerebellum | The second major structure of the brain. |
cerebrum | Accounts for 80% of the brain’s mass. |
choroid plexus | Projections into the brain ventricles that produce cerebrospinal fluid. |
commissure | A site of union of common parts. |
corpora quadrigemina | Part of the mesencephalon. |
corpus callosum | An arched mass of white matter found in the depths of the longitudinal fissure. |
diencephalon | Contains some of the most vital centers of body activity. |
dura mater | The outermost layer of the meninges that contacts the cranium. |
fissures | Deep grooves that divide the lobes of the cerebral hemispheres. |
fornix | A general term for an arch-like structure or the vault created by such a structure. |
genu | A general term used to describe any anatomical structure shaped like a knee. |
gyri | The raised portions of the cerebral surface. |
mammillary body | Located near the pituitary gland. |
medulla oblongata | Together with the pons, it makes up the brain stem. |
meninges | The three membranes that protect the brain and spinal cord. |
mesencephalon | The midbrain. |
neuron | A general term meaning nerve cell. |
optic chiasm | Part of the hypothalamus formed by the crossing of the optic nerves. |
pia mater | The innermost layer of the meninges. |
pituitary | The “master gland.” |
septum pellucidum | A triangular membrane separating the anterior horns of the lateral ventricles. |
splenium of corpus callosum | The posterior rounded end of the corpus callosum; it conveys visual information. |
sulci | Grooves between the gyri. |
The raised portions of the cerebral surface. | gyri |
A triangular membrane separating the anterior horns of the lateral ventricles. | septum pellucidum |
A general term meaning nerve cell. | neuron |
The three membranes that protect the brain and spinal cord. | meninges |
Accounts for 80% of the brain's mass. | cerebrum |
Projections into the brain ventricles that produce cerebrospinal fluid. | choroid plexus |
Deep grooves which divide the lobes of the cerebral hemisphere. | fissures |
The posterior rounded end of the corpus callosum; it conveys visual information. | splenium of corpus callosum |
Together with the pons makes up the brain stem. | :medulla oblongata |
A general term for an arch-like structure or the vault created by such a structure. | fornix |