Exercise 17 & 19 — Brain & Spinal Nerves Flashcards
components of Central nervous system
brain & spinal cord
components of Peripheral nervous system
cranial & spinal nerves, ganglia, and sensory receptors
the _____ portion of the PNS carries impulses to the CNS
sensory
the ______ portion of the PNS carries impulses from the CNS
motor
the ______ division of the motor portion controls skeletal muscles, while the ____ ______ _____ controls smooth and cardiac muscles and glands
somatic
autonomic nervous system (ANS)
During embryonic development, the CNS begins as the ______ ____.
neural tube
primary brain vesicles at week 4 of embryonic development
prosencephalon (forebrain) mesencephalon (midbrain) rhombencephalon (hindbrain)
proper name for forebrain
prosencephalon
proper name for midbrain
mesencephalon
proper name for hindbrain
rhombencephalon
the cerebrum (cortex, white matter, basal nuclei) and the diencephalon (thalamus, hypothalamus, epithalamus) and the retina arise from the ___________
prosencephalon (forebrain)
the brain stem arises from the _________
mesencephalon (midbrain)
the brain stem (pons and medulla oblangata) and the cerebellum arise from the _________
rhombencephalon (hindbrain)
“forehead” lobe
frontal lobe
topmost lobe
parietal lobe
backmost lobe
occipital lobe
side lobes
temporal lobes
wrinkly section at bottom/back of brain
cerebellum
bulb between the medulla oblangata and the brain
pons
brain stem
medulla oblangata
a ridge between two clefts on the surface of the brain
gyrus
a ‘crack’ in the gray matter at a cleft on the surface of the brain
sulcus
a deep sulcus
fissure
outermost portions of the brain
cerebral hemispheres
pale bulb within thalamus
interthalamic adhesion
pale, flat mass below thalamus — ends in two points that point downward
hypothalamus