Brain Dissection

Brain Dissection

Orientation of the Brain

Label the Following Aspects of the Brain:•Anterior•Posterior•Lateral •Medial

Orientation ContinuedLabel the Following Aspects of the Brain:•Anterior•Posterior•Dorsal •Ventral

Planes of Orientation

Draw the following Cross Sections:• Frontal or Coronal• Saggital

Planes of OrientationDraw the following Cross Sections:• Frontal or Coronal• Transverse

Meninges: the protective coverings• dura mater: tough outer covering (may have been mostly

removed)• arachnoid layer and pia mater likely still cover brain

The Gyri and Sulci• Remove the arachnoid layer and blood vessels

carefully by using tweezers.• This should make the gyri and sulci very visible

Gyrus

Sulcus

The Brain Stemaka medulla oblongata

This area is made up of the:• Pons• Medulla

PonsMedulla

The Cerebellum

cerebellum

The Cerebrum

Label the Following:•Frontal Lobe•Parietal Lobe•Temporal Lobe•Occipital Lobe

Hint: they correspond with the bones of the skull

The Cerebrum Continued

Label the Following:• Temporal Lobe• Parietal Lobe

Observing the Internal Brain Anatomy

• Cut the brain in a saggital cross section using your scalpel

• Corpus Callosum• Thalamus• Hypothalamus• Pons• Medulla

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Internal Anatomy of the Cerebellum

• Arbor Vitae