Lecture 6: Diencephalon, Brainstem, Cranial Nerves Flashcards
The 3 parts of the diencephalon are what?
Thalamus, hypothalamus, pituitary gland.
The thalamus is the gatekeeper for __________ information, such as vision, _________, and _______. It works with the ___________ and the cerebellum, and determines which info is sent to the ___________.
Sensory, hearing, taste, ganglia, cortex.
The hypothalamus maintains _________. The pituitary gland secretes _______.
Homeostasis, hormones.
The cerebellum is ___% of brain’s volume, but ___% of the total neurons. It is connected to the brainstem via ________, and is responsible for _________ ____________ and balance.
10, 50, peduncles, motor coordination.
What are the three lobes/hemispheres of the cerebellum and their roles?
Flocculonodular lobe (eye movement), vermis (axial control), lateral hemispheres (appendicular control).
The brain stem contains the ____, ____, and _____. It connects the _____ to the periphery and ______. It is the origin of most _______ nerves.
Midbrain, pons, medulla, cortex, cerebellum, cranial.
The midbrain connects the _____, ___________, and _______ with the cortex. Name the 3 key structures of the midbrain and their roles.
Pons, medulla, cerebellum. Superior colliculus (visual reflexes), inferior colliculus (auditory), substantia nigra (dopamine production).
The pons transmits ________ from the cerebrum to the _______ and _________.
Information, cerebellum, medulla.
The medulla is continuous with the _______ _______. The anterior medulla is responsible for _______, the posterior is responsible for ______. The center of the medulla is called the ______, the lateral is called the ________.
Spinal cord, motor, sensory, pyramid, olive.
There are ____ pairs of cranial nerves in total. They are considered part of the _____. The information they receive can be ________, _______, or both.
12, PNS, sensory, motor.
How do white and grey matter present themselves in the spinal cord?
White matter is periphery, gray matter forms the central H.
What is a summary of where the cranial nerves lie on the pons?
4 above, 4 on, 4 below pons.
Name the 4 cranial nerves that lie above the pons.
Olfactory, optic, oculomotor, trochloar.
Name the 4 cranial nerves that lie on the pons.
Trigeminal, abducens, facial, vestibulocochlear.
Name the 4 cranial nerves that lie below the pons.
Glossopharyngeal, vagus, accessory, hypoglossal.
