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Neuro1.6.09 Word Scramble

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Question	Answer
Cranial Perfusion Pressure = _______+________	Mean Arterial Pressure+Intracranial Pressure
Made up of 2 layers called the periosteal layer and meningeal layer	Dura Mater
Has filaments that anchor next layer to dura. It contains the vessels which run on top of the brain and is bathed in cerebral spinal fluid (CSF).	Arachnoid Mater
Tissue layer (delicate and thin) that covers the entire surface of the brain. It dives into the sulcus grooves and adheres to the brain’s surface.	Pia Mater
Space between the skull and the dura	Epidural space
Space between the dura and the arachnoid	Subdural space
Prevent side to side motion of the spinal cord	Dentate ligaments
Attaches spinal cord to base of spinal column, and anchors it tightly	Filum terminale
Fluid fills between periosteum and dura. Looks like a round lens shaped filling. This is due to the fact that the dura gets pushed down into CNS	Epidural Hemorrhage
Fluid fills between dura and arachnoid layers. Will form a crescent shape, as the blood will follow the contour of the brain	Subdural Hemorrhage
Brain matter is forced underneath falx cerebri and cortex is squeezed along midline	Midline herniation
Uncus is pushed through cerebelli tentorium and puts pressure on the brainstem (mostly midbrain)	Uncal herniation
Cerebellar tonsils move downward through the foramen magnum, possibly causing lower brainstem compression and upper cervical spinal cord compression as they pass through the foramen magnum	Cerebellar Tonsils herniation
A series of interconnected, cerebral spinal fluid filled spaces that lie in the core of the forebrain and brainstem	The Ventricular System
connects lateral ventricles to 3rd ventricle at the midline of the brain	Foramen of Monro
connects 3rd and 4th ventricles	Cerebral aqueduct
connects 4th ventricle to subarachnoid space/cistern of great cerebral vein	Foramen of Luschka
connects 4th ventricle to subarachnoid space/cisterna magna	Foramen of Magendie
Opening in subarachnoid space that serves as a holding tank for CSF	Cistern
Area on the ventricles of the brain where CSF is produced	Choroid plexus
Pressure-driven pumps that dump CSF into venous space	Arachnoid granulations
Trace the flow of CSF	chorioid plexus→lateral ventricle→foramen of Monro→3rd ventricle → cerebral aqueduct→ 4th ventricle→cisterns→gets pushed out into arachnoid space→ arachnoid granulation→venous sinuses
When there is more than normal amount of CSF in brain	Hydrocephalus
Cells that control the substances and molecules that enter the brain.	Blood Brain Barrier
Local signaling where the chemical signal is broken down too quickly to travel throughout the body	Paracrine Signaling
Chemical signaling hormones are sent throughout the body to affect cells at a distant location through the vascular system – called neurohormones	Endocrine Signaling
Transmission of the signal is achieved through the use of gap junctions between neighboring cells, whereby passage of small molecules between the interconnected cells is allowed	Electrical Synaptic Signaling
Transmission of the neural signal is achieved by use of a chemical neurotransmitter	Chemical Synaptic Signaling
Acts just like native neurotransmitter	Agonist
Binds to native neurotransmitter receptor, but does nothing	Antagonist
Binds to native neurotransmitter receptor, has opposite effect	Inverse agonist