Flashcards in Chapter 14 Deck (41):
What are the three major landmarks of the brain?
83% of the brain's volume and consists of two half globes called cerebral hemispheres
Name four parts of the cerebrum
What are the thick folds of the cerebrum called?
What are the shallow grooves of the cerebrum called?
What is the deep groove that separates the right and left hemispheres of the cerebrum called?
What is the thick bundle of nerves fibers that connect the two hemispheres of the cerebrum called?
This occupies posterior cranial fossa inferior to the cerebrum
The deep grooves that separates the cerebrum from the cerebellum, it's called?
Transverse cerebral Fissure
What is left of the brain?
Surface layer over the cerebrum and cerebellum is called?
The deeper masses of gray matter surrounded by white matter called?
Bundles of axons which connect the parts of the brain and connect to the spinal cord or called?
During what week of embryonic development does the neural plate which gives rise to neurons and glial cells sink and form A neural groove with raised neural folds?
The third week
By what week of embryonic development does the neural folds fuse creating a hollow neural Tube which exhibits three dialations?
The fourth week
The three dialations will subdivide by what week of embryonic development?
The fifth week
What protects the brain and provides a framework for its arteries and veins?
The spaces between the Dura matter layers that collect blood are called?
Dura fold that extends into the longitudinal fissure is called?
Dura fold that separates the cerebellum and cerebrum is called?
Duro fold that separates the right and left halves of the cerebellum?
What are the internal chambers in the brain called?
What is the clear colorless liquid that fills the ventricles etc. and bathes the external surface of the brain called?
Cerebrospinal fluid is produced from__________ ____________ filtered through the choroid plexus, then modified by
CSF flows from choroid plexus in the lateral ventricle > through _____________ ____________ >____ ventricle >
_____________ _____________ to fourth ventricle > through apertures >_______________ ______________ > arachnoid granulations > dural _________ _________
What are the purposes of the cerebrospinal fluid?
Buoyancy, protection and chemical stability
Blood supply must be constant because _________ have a high demand for _____, thus a high demand for glucose and ______.
Blood is a source of _____________ ____________ and other harmful agents.
What does the brain barrier system regulate?
What can enter the tissue fluid of the brain
All nerve fibers connecting the brain to the spinal cord pass through the what?
The medulla contains networks of ___________ and __________ functions and contains center for life-sustaining functions like what?
Sensory and motor
Heart rate, respirations, blood pressure
What contains the continuation of reticular formation and several tracts?
The reticular formation portion of the pons contains nuclei involved in what?
Sleep, respiration and posture
Function in visual attention, visual tracking and blinking
Receive signals from the inner ear and relay them, mediate head turning reflex to sound and the jump when startled
Stalks that anchor the cerebrum to the brainstem are called?
Fibers that go to and from the cerebellum to collaborate in fine motor control are called?
The motor center that relays inhibitory signals to the thalamus to prevent unwanted body movement are called?
Involved with controlling the awareness of pain.
Central Grey matter
Gray matter that runs through the brainstem is called?
The reticular formation