Gross anatomy exam questions with correct answers

Brain cerebrum, subcortical structure, diencephalon, midbrain, pons, cerebellum, medulla, spinal cord cerebrum largest part of brain, covered by 3 membranes cerebrum consists of nerve cells, glial cells, arteries, and veins cortex outer layer of the cerebrum commissure connects left and right hemispheres, crosses longitudinal fissure Corpus Callosum largest connection between left and right hemisphere, more than 200 million axons Corpus Callosum carries connection from all 4 lobes Anterior Commissure connects left and right olfactory bulbs, amygdala, medial/inferior temporal lobes Posterior Commissure connects left and right occipital lobes sulcus groove or valley gyrus elevation or ridge fissure major sulci gyrus from major borders between brain areas; mark areas associated with certain functions Korbinian Brodman early 19th century neuroscientist; divided the brain into 47 number areas Primary Cortical Areas 1. Cortical processing point for incoming SENSORY info. 2. Cortical processing point for outgoing MOTOR info. Temporal lobe (PCA) 2 primary (PCA) Auditory and olfactory