Name the three membranes covering the brain
Dura Mater, Arachnoid Mater, Pia Mater
Name the first and second ventricles
lateral ventricles
CSF is produced by what? And these are located where?
choroid plexuses located in the ventricles
Medulla, Pons, Midbrain
Name the two major components of the diencephalon
thalamus, hypothalamus
Name the infection of the meninges
Meningitis
Name the formation that connects the 1st & 2nd ventricles with the 3rd
interventricular foramen
Name the 3 functions of CSF
1. Maintains constant external environments for neurons & neuroglia
2. Mechanical Cushion for brain
3. removes wastes & distributes nutrients and peptide hormones through the brain
The Medulla plays a role in what 4 things?
consciousness, awakening, pain, and spinal reflexes
What's the function of the thalamus?
Major relay & processing station for all information passing the cerebral cortex
what is the area called that is filled with cerebrospinal fluid and spiderweb-like fine collagen filaments?
subarachnoid space
Name the formation that connects the 3rd ventricle to the 4th
aqueduct of Sylvius
Describe how CSF is absorbed
CSF is returned to the blood through the arachnoid villi (granulations) that lead into the dural sinuses
Which two basal ganglia structures are located in the midbrain?
substantia nigra, subthalamic nucleus
Name the 4 functions of the hypothalamus
1. Control & Integration of the autonomic nervous system
2. Association with the pituitary gland
3. Output pathway for the limbic system
4. regulation of cyclic activities
dural sinuses
each of the ventricles contain what?
Cerebrospinal fluid (CSF)
Choroid plexuses consist mainly of capillary networks surrounded by what type of neuroglia?
ependymal cells
The Pons contains which 4 cranial nerves?
Trigeminal (V), Abducens (VI), Facial (VII), Vesibulocochlear (VIII)
Which gland is connected to the roof of the diencephalon, and which gland is connected to the floor of the diencephalon?
Roof = pineal gland
Floor = pituitary gland
Name the types of meningitis
viral(aseptic), fungal, bacterial
The 4th ventricle contains a foramina in its roof to permit CSF to flow into what?
subarachnoid space
state one substance that is present in high amounts in blood plasma (serum) but is quite low in CSF
BONUS: extra 100 points if you can name the specific amounts of this substance for serum and CSF
protein
CSF: 35 mg/dL Serum: 7000 mg/dL
What is the function of the superior colliculi?
involved in coordinated eye and head movements
ex: following trajectory of a ball on the baseball field
What structure within the hypothalamus contains a clock that provides a wake-up call at about the same time each morning?
suprachiasmatic nucleus