Biopsy 4 Flashcards
Nervous system can be divided into __?__ & __?__
CNS - Central nervous system
PNS - Peripheral nervous system
CNS refers to ?
Brain
Spinal cord
PNS consists of ?
Somatic nervous system
ANS - Autonomic nervous system
What does Somatic nervous system control?
Skeleton, skin, etc…
What does ANS consists of?
Sympathetic division
Parasympathetic division
Use of Sympathetic division in ANS.
Excitatory
Fight or flight response
Use of Parasympathetic division in ANS.
Calm
Rest & digest
Which system is responsible for ‘fight or flight response’ ?
Sympathetic division in ANS
What are visible in the skull?
gyri & sulci
What acts as the cushion between the brain and skull?
CSF - Cerebrospinal fluid
What is the basis of the assumption that different regions of the brain are involved in different functions?
Variations in thickness, cell density, complexity and number of neurons in the cerebral cortex.
Name the 4 lobes & their functions in the 2 cerebral hemispheres.
- Occipital lobe: visual processing
- Parietal lobe: touch, balance, movement
- Temporal lobe: hearing, speech comprehension, memory, visual recognition
- Frontal lobe: ovement, thinking, planning
Use of Basal ganglia.
Control voluntary movement
Use of Limbic system.
- navigation in space
- memory formation
- emotional control
Brainstem includes?
Hindbrain
Midbrain
Diencephalon