BIOL 319 lab 9 information

what is the largest region of the brain ?

the cerebrum

what is a gyrus

a fold in the cerebral cortex

what is a sulcus

a shallow groove

what is the cerebral hemisphere connected by ?

a white matter called corpus callosum

what is cortical gray matter made up of ?

multipolar neuron cell bodies and attendant dendrites

what are the five basic layers of the cerebral cortex ?

1.molecular layer, 2.outer granular layer, 3.outer pyramidal cell layer, 4.inner granular layer, 5. inner pyramidal and polymorphic layer

many of the multipolar neurons of the cortex are classified as () () due to the pyramid or triangular shape of their cell bodies

pyramidal cells

what does the Diencephalon consists of ?

thalamus, hypothalamus, and epithalamus

what is the infundibulum ?

is a stalk of hypothalamic tissue that connect to the pituitary gland

where is the pineal gland (pineal body) locates at?

is locates in the epithalamus which is the superior most part of the diencephalon

what hormone does the pineal gland secrete ?

melatonin that regulate circadian rhythms

what type of control is the pineal gland under ?

it is under control of a complex feedback lopp with the suprachiasmatic nucleus (SCN) of the hypothalamus

where is the cerebellum located ?

located dorsal to the pons and medulla oblongata

what is the cerebellum primary involved in ?

coordination of somatic motor function, primarily skeletal muscle contractions