Final: Chapter 13 Flashcards
A hollow cylinder that is the beginning of the Nervous System in an embryo:
The Neural Tube
The Mesencephalon is classified as the ____brain in week 4 of development?
Midbrain
The Prosencephalon is classified as the ___brain in week 4 of development?
The forebrain
The rhombencephalon is classified as the ____brain in week 4 of development?
The hindbrain
By week 5 the Prosencephalon will subdivide into what 2 brain vesicles?
The Diencephalon and the Telencephalon
The largest part of the adult brain is considered the?
Cerebrum
At about week 5 of development the Rhombencephalon will subdivide into what 2 brain vesicles?
The metencephalon and the myelencephalon
What are the four main regions of the Brain?
- Cerebrum
- Diencephalon
- Cerebellum
- Brainstem
What are some functions of the Cerebrum?
Regulate skeletal muscle contraction
sensory processing and conscious thought
The Diencephalon will include what 2 major brain areas?
The Thalamus and the Hypothalamus
What is considered the second largest region within the adult brain?
Cerebellum
What 3 major brain areas will be included in the Brainstem?
The midbrain
the pons
the medulla oblongata
What is the function of the Corpus Callosum?
Links centers of the left and right cerebral hemispheres
What are 4 components of the cranium that will protect the brain tissue?
The Cranial Bones
The Cranial meninges
The cerebral spinal fluid
The blood-brain barrier
What are the 3 layers of the Cranial Meninges?
- Dura Mater
- Arachnoid Mater
- Pia Mater
What are the 3 important functions of the Cerebral Spinal Fluid?
- Support the weight of the brain
- Provide cushion for the brain and spinal cord
- Transport nutrients, chemical messengers, and waste
The complex that is responsible for the production of cerebrospinal fluid?
Choroid Plexus
Where is Cerebral spinal fluid absorbed into the venous circulation?
The Arachnoid Granulation
All communication between the brain and the spinal cord travel along ascending and descending tracts in the _____
Medulla Oblongata
The Medulla Oblongata is a center that will coordinate complex _____ reflexes and _______
Autonomic reflexes and visceral (internal organ) functions
The segment of the brain that can direct complex motor patterns at the subconscious level?
The Midbrain