Gray and White Matter (Lindsey)
White matter gets its color from? p.12
What is myelin?
How many different lobes are in the Cerebrum? (PP slide 29)
Four Lobes
What structure regulates body temperature, water and food intake, sugar, metabolism, sexual behavior, and emotional state? (PPT 1 Slide 63)
Hypothalamus
Where does the corticospinal tract start? (PP 1, Slide 23)
Cortex
The corticobulbar tract originates in the ________.(Page 23)
Motor Cortex
______matter is found in the deeper tissues of the brain (subcortical). p.12
How many different hemispheres are in the Cerebrum? (PP slide 29)
Two
What structure allows for the sharing of information between the two hemispheres of the cerebrum? (Page 49)
Corpus Callosum
Where does the corticospinal tract end? (PP 1, Slide 23)
Spinal Tract
The corticobulbar tract terminates in the _____________ . (Page 23)
Bulbar Area
______ is a 3-5 cm. thick layer of neurons over hemispheres. p.17
What is grey matter?
What is a Gyrus? (PP slide 29)
The hills on the surface of the Cerebrum
What are the functions of the basal ganglia? (Page 16)
Regulation of muscle tone, adjustment of automatic movements, and suppression of extraneous movements.
Where does the information decussate (cross)? (PP 1, Slide 23)
Medulla
What is the main purpose of the Corticobulbar? P. 23
To control the muscles of the face, head, and neck
Made of axonal fibers that form tracts and carry sensory or motor information from one brain site to another. p.12
What is white matter?
What is Sulcus? (PP slide 31)
The valleys in the Cerebrum.
The midbrain controls auditory reflexes and reflexive eye and head movements to respond to external stimuli such as: (PPT 1 Slide 67)
Loud noises and bright lights
The lateral corticospinal tract is a ________ pathway of the spinal cord. (Book, pg.61)
Motor
Neurons to the lower half of the face have contralateral control, whereas neurons to the upper half of the face have ______control. p.831 and Nervous Systems Terms PP
What is bilateral?
Supports glial cells and unmyelinated fiber. p.12
what is grey matter?
What forms a boundary between the frontal and the parietal lobes? PP slide 30
Central Sulcus
The thalamus channels sensory projections of pain, taste, temperature, audition, and vision information from lower levels of the nervous system to __ __. (PPT 1 Slide 62)
Cortical areas
The corticospinal fibers form ___________ __________ in the medulla. (Book, pg.59)
Medullary Pyramids
The ______are the cell bodies in the anterior gray column in the spinal cord or cranial motor nuclei in the brainstem, which serve as the output pathway to peripheral muscles. p.795
What are Lower Motor Neurons (LMN)?