CNS
What does the CNS consist of?
The brain and spinal cord
what is the term for pain from one body region perceived as coming from different region
referred pain
Where is the pectoralis major located
In the upper chest stretching from the collar bone to the breast bone
what nerve is responsible for sense of smell
olfactory nerve
what do sensory receptors do?
picks up data
What are the 3 primary vesicles that the neural tubes form?
Prosencephalon(forebrain)
mesencephalon(midbrain)
rhombencephalon(hindbrain)
connective tissue coverings include
-Endoneurium
– Perineurium
– Epineurium
What part of the face is the orbicularis ocull
The muscle around the eyes
what does the optic nerve do
transmits visual information from the retina to the brain
What controls stuff you dont automatically control?
autonomic
What are the 4 regions of an adult brain?
cerebral hemispheres
diencephalon
brainstem
cerebellum
What are the levels of neural integration in sensory systems?
1. Receptor level: sensory receptors
2. Circuit level: processing in ascending pathways
3. Perceptual level: processing in cortical sensory areas
What does the triangular muscle in the upper back that helps with movement called?
trapezius
controls most eye movements
oculomotor nerve
what do proprioceptors do?
sensory receptors located in muscles, tendons, and joints. They provide info to the brain about body position and movement.
what is the cerebral cortex?
the executive suite of the brain
the site of consciousness
Can all nerve damage in the PNS be regenerated
No
What muscle allows you to close your lips like puckering your lips?
orbicularis oris
how many cranial nerves are there
12 pairs
CNS axons
most cns nerves never regenerate
What fissure separates the right and left hemispheres?
longitudinal fissure
What is the tough outer fibrous sheath that encloses all the fascicles called?
Epineurium
What is the longest muscle in the body?
Sartorius
accessory nerve
supplies the sternocleidomastoid and trapezius muscles to coordinate head movements
PNS axons
can regenerate