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Anat100 Block Theory 2 || with 100% Verified Solutions.
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Astrocytes (Appearance and function) correct answers - big and star shaped - communicated with neurons and blood vessels - maintains neural integrity Microglia (appearance and function) correct answers - smaller glial cell - perform phagocytosis to engulf pathogens Ependymal cells (app...

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  • October 18, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • astrocytes appearance and function

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  • Anat100 Block Theory 2
  • Anat100 Block Theory 2

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Anat100 Block Theory 2 || with 100% Verified Solutions.
Astrocytes
(Appearance and function) correct answers - big and star shaped
- communicated with neurons and blood vessels
- maintains neural integrity

Microglia
(appearance and function) correct answers - smaller glial cell
- perform phagocytosis to engulf pathogens

Ependymal cells
(appearance and function) correct answers - simple cuboidal cells
- lines the cavities of brain and spinal cord
- helps produce cerebrospinal fluid

oligodendrocytes correct answers - myelinate axons in the CNS
- one cell can myelinate many axons

Schwann cells correct answers - myelinate axons in the PNS
- can only myelinate part of one axon

The cerebrum correct answers - telencephalon
- diencephalon

Telencephalon correct answers - interprets sensory signals
- sends motor signals
- decision making

longitudinal fissure correct answers separates cerebral hemispheres

Lateral Sulcus correct answers Divides the temporal from frontal and parietal lobes.

precentral sulcus correct answers - anterior border of the motor cortex

central sulcus correct answers - divides frontal and parietal lobes
- divides motor and sensory cortex

postcentral sulcus correct answers - posterior border of the sensory cortex

parieto-occipital sulcus correct answers divides parietal and occipital lobes

precentral gyrus correct answers motor cortex

postcentral gyrus correct answers sensory cortex

, association fibres correct answers connection fibres within one hemisphere

commissural fibres correct answers - connection between the two hemispheres

Corpus Callosum correct answers - runs horizontally and connects the two sides of the brain

projection fibres correct answers - connection between the brain and other parts of the CNS

Diencephalon correct answers thalamus and hypothalamus

thalamus correct answers - relays all sensory information except for smell

hypothalamus correct answers - controls release of hormones
- connect to the pituitary gland

The brain stem (parts and functions) correct answers - connects brain to spinal cord
- midbrain
- pons
- medulla

Midbrain (anterior) correct answers cerebral peduncles

Midbrain (posterior) correct answers superior and inferior colliculi

pons correct answers - connects and communicates to the cerebellum via fibres

Medulla correct answers continuous with the spinal cord

Cerebellum correct answers coordinates motor activity

Meninges of the Brain correct answers - dura mater
- arachnoid mater
- pia mater

Dura mater of the brain correct answers - double later of connective tissue
- creates the falx cerebri, falx cerebelli, and tentorium cerebri
- attaches to the skull

Arachnoid Mater of brain correct answers - loosely covers brain
- creates subarachnoid space

subarachnoid space of brain correct answers - between the arachnoid mater and pia mater
- filled with CSF

Pia mater of brain correct answers - firmly attaches to the cortex

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