Ch 10, Part 2 Central Nervous System (CNS). The grooves on the brain are called sulci . The elevated ridges are gyri . Deeper grooves are fissures . Learning Objectives Name the major regions of the adult brain and all related structures of importance.
Ch10, Part 2 Central Nervous System (CNS)
The grooves on the brain are called sulci. The elevated ridges are gyri. Deeper grooves are fissures.
Name the major regions of the adult brain and all related structures of importance.
Be able to state the functions of each brain structure.
It is not possible to tickle yourself. The cerebellum, a part of the brain, warns the rest of the brain that you are about to tickle yourself. Since your brain knows this, it ignores the resulting sensation.
Once a human reaches the age of 35, he/she will start losing approximately 7,000 brain cells a day. The cells will never be replaced.
Label the structures on your practice diagram.
Great Brain website: http://www.pbs.org/wnet/brain/3d/
The brain has hollow, chambers called _______________ filled with cerebrospinal fluid and lined with ependymal cells.
(all areas in blue)
* See handout
Cerebral hemispheres account for 83% of brain mass.
Brain hemispheres have 3 basic regions:
Do you Know the Difference Between Gray and White Matter?
Here’s a tip:
What is gray matter? Contains just cell bodies and dendrites (no myelin)
What is white matter? Myelinated nerve fibers (those with fatty white protein coverings)
Contains three kinds of functional areas:
Over 80% of the brain is water.
Epithalamus (pineal gland)
Forms the ______ ________ of the forebrain.
Consists of three paired structures:
Thalamus sorts and edits ____________.
Recognizes impulses as _______ or _______.
Helps coordinate _______ activities.
Important to ______________.
The _________ to the cerebral cortex.
which secretes the hormone melatonin.
Melatonin induces sleep.
3 other additional roles.
Heart and blood pressure
Vomiting, hiccupping, swallowing, coughing, and sneezing
What causes a stroke? And, if a lesion occurs in the left side of the brain, what side of the body is effected?
Signs of a Stroke
Interesting Brain Teasers: http://edwardanil.wordpress.com/2007/07/26/interesting-brain-teasers/