Mary Baldwin College

• BIO 2401

• 1. Complete the following table by providing the brain structure that best fits each description. Structure Description thalamus Relay center for all non-olfactory sensory information Hypoglossal Cranial nerve that controls tongue movement Optic chasm Where fibers from right and left optic nerves decussate to the opposite optic tract Opccitpital lobe Lobe of the cerebral cortex that receives and processes visual information Pineal gland Small endocrine gland that secretes melatonin, a key hormone in regulating circadian functions and the onset of sexual maturity Hypothalam us Part of the forebrain that functions in both the nervous and endocrine systems; controls many homeostatic, reproductive, and circadian functions oculomotor Cranial nerve that controls eye movements and pupil constriction Corpus callosum White matter tract that connects the left and right cerebral hemispheres cerebellum Part of the hindbrain that is responsible for learning and coordinating motor activities hindbrain One of the three major regions of the mammalian brain; consists of the cerebrum, thalamus, and hypothalamus 2. An old mnemonic device used to recall the names of the cranial nerves in the correct order goes: “On old Olympus’ towering top, a Finn and German viewed some hops.” Invent your own mnemonic to recall the cranial nerves. (Write your mnemonic in the space below) Obedient old opctpus tasting turtles, a fishermen and goldfish singing helplessly