Term
| What is the role of the Nervous System? |
|
Definition
1. Recieves sensory input from internal/external sources
2. Communicates information, analyses and integrates it
3. Initiates response |
|
|
Term
| What makes up the Central Nervous System? |
|
Definition
| The brain and spinal cord. |
|
|
Term
| Whatis the role of the peripheral nervous system? |
|
Definition
| Link CNS to rest of body. |
|
|
Term
| What are the three specialisations of neurons? |
|
Definition
1. Afferent/Sensory
2. Efferent/Motor
3. Interneurons |
|
|
Term
| What is the role of the afferent/sensory neuron? |
|
Definition
| Carry information from receptor to CNS. |
|
|
Term
| What is the role of the efferent/motor neuron? |
|
Definition
| Carry information from the CNS to peripheral effectors. |
|
|
Term
| What is the role of the interneurons? |
|
Definition
| Link afferent to efferent; entirely within CNS. |
|
|
Term
| What environment is the Somatic NS concerend with? |
|
Definition
|
|
Term
| Where are receptors found which input into the Somatic NS? |
|
Definition
| Head, Neck, Body Wall and Limbs. |
|
|
Term
| What does the somatic NS control? |
|
Definition
|
|
Term
| What is another name for the Autonomic Nervous System? |
|
Definition
|
|
Term
| What environment is the Autonomic NS concerned with? |
|
Definition
|
|
Term
| Where are the receptors found which input into the Autonomic NS? |
|
Definition
| Viscera (Internal Organs). |
|
|
Term
| What does the Autonomic NS control? |
|
Definition
| Smooth Muscles, Cardiac Muscles and Glands. |
|
|
Term
| What are the stages of Neurulation (formation of neural tube)? |
|
Definition
1. Neural plate forms neural groove and neural folds.
2. Neural crests form.
3. Neural folds become apposed and fuse together
4. Neural tube formed
5. Neuro crests lie dorsolateral to neural tube. |
|
|
Term
| What are the three germ cell layers in human embryonic development? |
|
Definition
1. Ectoderm
2. Mesoderm
3. Endoderm |
|
|
Term
| What does the Ectoderm give rise to? |
|
Definition
| the skin and nervous system. |
|
|
Term
| What does the mesoderm give rise to? |
|
Definition
| The skeletal, musclular and connective tissues. |
|
|
Term
| What does the endoderm give rise to? |
|
Definition
| The alimentary (nourishment), respiratory and genitourinary tracts. |
|
|
Term
| What are the three primary vesicles formed by the neural tube? |
|
Definition
1. Prosencephalon - (forebrain)
2. Mesencephalon - (midbrain)
3. Rhombencephalon - (hindbrain) |
|
|
Term
| What are the 5 secondary brain vesicles? |
|
Definition
1. Telencephalon (from Prosencephalon)
2. Diencephalon (from Prosencephalon)
3. Mesencephalon (from Mesencephalon)
4. Metencephalon (from Rhombencephalon)
5. Myelencephalon (from Rhombencephalon) |
|
|
Term
| What does the telencephalon form into? |
|
Definition
| The cerebral hemispheres. |
|
|
Term
| What does the Diencephalon form into? |
|
Definition
| The diencephalon (i.e. thalamus, hypothalamus) |
|
|
Term
| What does the Mesencephalon form into? |
|
Definition
|
|
Term
| What does the Metencephalon form into? |
|
Definition
| The pons and the cerebellum. |
|
|
Term
| What does the Myelencephalon form into? |
|
Definition
|
|
Term
| At what end of the neural tube do the 5 vesicles form? |
|
Definition
|
|
Term
| What does the caudal end of the neural tube form (that which doesn't become a vesicle)? |
|
Definition
|
|
