4 Nervous cells Flashcards

1
Q

What are the tree-like projections emerging from the cell body of a neuron?

A

Dendrites

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2
Q

What component of a neuron receives input?

A

The Dendrites

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3
Q

An axon carries information towards or away from the soma (Cell body)?

A

Away

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4
Q

What is the most common type of neuron morphology found in the body?

A

Multipolar

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5
Q

The myelin sheaths surrounding axons in the peripheral nervous system are known as:

A

Schwann cells

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6
Q

Oligodendrocytes are found in the peripheral or central nervous system?

A

Central

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7
Q

The gaps between adjacent myelin sheaths along an axon are known as:

A

Nodes of Ranvier

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8
Q

Ependymal cells are neuroglia which perform what function?

A

Secrete Cerebrospinal fluid

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9
Q

Macrophage cells of the nervous system are known as:

A

Microglia

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10
Q

Satellite Glial Cells are found covering what structures?

A

Neural cell bodies (soma)

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11
Q

What cells line the ventricles of the brain and the central canal of the spinal cord?

A

Ependymal Cells

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12
Q

Circulation of cerebrospinal fluid is achieved by what structures?

A

Cillia and Microvilli of the Ependymal Cells

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13
Q

What type of cells are responsible for metabolic regulation in the extracellular space of the nervous system?

A

Astrocytes

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14
Q

Which cells interact with capillaries in order to form the blood-brain barrier?

A

Astrocytes

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15
Q

Cleaning of debris and removal of dead cells in the nervous system is carried out by what type of cell?

A

Microglia

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16
Q

Grey matter consists of myelinated or unmyelinated nervous tissue?

A

Unmyelinated

17
Q

White matter consists of myelinated or unmyelinated nervous tissue?

A

Myelinated

18
Q

The peripheral nervous tissue of the spinal chord is white or grey matter?

A

White

19
Q

The limbic area of the brain responsible for recall of memories is found in which lobe of the cerebral cortex?

A

Parietal lobe

20
Q

The relay centre between the cerebral cortex and the incoming sensory input is known as:

A

The Thalamus

21
Q

Fluid balance, body temperature and sleep/wake regulation are controlled by what structure of the brain?

A

The Hypothalamus

22
Q

In what area of the brain is the conscious mind considered to be located?

A

The Cerebral Cortex

23
Q

The primary somatic cortex is located in which lobe of the cerebral brain?

A

Frontal Lobe

24
Q

What type of neuron is abundant in the gyri of the cerebral hemispheres and is important for motor function?

A

Pyramidal Neurons

25
Q

Coordination of movement instructions is carried out buy which brain structure?

A

The Cerebellum

26
Q

The gyri particular to the cerebellum are known as:

A

Folio

27
Q

Cells with extensive networks of dendrites found in the cerebellum are known as:

A

Purkinje Cells

28
Q

An inhibitory neurotransmitter released by purkinje cells in the cerebellum which aid in coordination of movement is known as:

A

GABA

29
Q

The parietal layer of the Cerebellar folio is known as:

A

The Molecular Layer

30
Q

The layer beneath the molecular layer and purkinje cell bodies within the folio of the cerebellum is known as:

A

The Granular Layer

31
Q

The tuft like structure consisting of capillaries ensheathed by ependymal cells is known as:

A

The Choroid Plexus

32
Q

Non communicating Hydrocephalus indicates an obstruction within the ventricles or at the arachnoid villi?

A

Within the Ventricles