Act 6b Gross Anatomy of the brain and Cranial Nerves.pdf -...

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ACTIVITY6bGross Anatomy of the Brainand Cranial NervesPrelab Quiz1.Circle the correct term. Thecentral nervous system /peripheral nervoussystem consists of the brain and spinal cord.2. On the ventral surface of the brain, you can observe the optic nerves and chiasma, the pituitary gland, and the mammillarybodies. These externallyvisible structures form the floor of the:
4.Directly under the occipital lobes of the cerebrum is a large cauliflower-like structure known as the:
5.The brain and spinal cord are covered and protected by three connective tissue layers called:
6. How many pairs of cranial nerves are there?________
Text continues on page 172.ActivityIdentifying External Brain StructuresGenerally, the brain is studied in terms of four major regions: the cerebralhemispheres, diencephalon, brain stem, and cerebellum. Identify externalbrain structures using the figures cited in the following sections.1
Gross Anatomy of the Brain and Cranial NervesPrecentralCentral sulcusgyrusPostcentral gyrusFrontal lobeParietal lobeParieto-occipitalsulcus (deep)Lateral sulcusOccipital lobeTemporal lobeCerebellumPonsCerebral cortexMedullaoblongata(gray matter)SpinalGyruscordSulcusCerebralFissurewhiteFrontalmatter(a deep sulcus)lobe(a)TemporallobeFigure 14.1External structure (lobes andfissures) of the cerebral hemispheres.(a) Left lateral view of the brain.(b)Photoof the lateral aspect of the human brain.

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Term
Fall
Professor
NoProfessor
Tags
temporal lobe, fourth ventricle, third ventricle

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