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Flashcards in Preview, Olfactory Nerve Deck (23):
0

Name the cranial nerves, which carry the visceral efferent fibers.

Occulomotor, Facial, Glossopharyngeal, Vagus.

1

Name the cranial nerves, which carry the branchial efferent fibers.

Trigeminal, Facial, Glossopharyngeal, Vagus, Spinal Accessory.

2

Name the cranial nerves, which have tractus solitarius as the nucleus of termination.

Facial, Glossopharyngeal, Vagus.

3

Name the patent opening for the facial nerve.

Internal Acoustic Meadus

4

Name the patent opening for the glossopharyngeal nerve.

Jugular Foramen.

5

Name the nucleus for the vagal motor nerve.

Ambiguous

6

Name the nucleus for taste sense from the posterior 1/3 of the tongue.

Tractus Solitarius.

7

Name two secondary olfactory neurons.

Mitral, Tufted

8

All of the following are descriptions of primary olfactory neurons, except:

A.) The primary olfactory neurons are located on the superior nasal concha.
B.) The primary olfactory neurons are multipolar neurons.
C.) Numerous olfactory cilia attached to the olfactory vesicle of the primary olfactory neuron.
D.) Axons on the primary olfactory neuron gathered into 20 fila olfactoria.

9

Name the neurons that are continually replaced throughout life.

Olfactory receptor neurons.

10

The synapses between the primary and secondary olfactory neurons form__________ layer in the olfactory bulb.

Glomerular

11

Name the laminar structure of the olfactory bulb from the surface inward.

Olfactory nerve layer, glomerular layer, external plexiform layer, mitral layer, internal plexiform layer, olfactory nerve tract.

12

Name the layer of the olfactory bulb where the incoming olfactory axons synapse with dendrites of the secondary olfactory neuron.

Glomerular layer

13

Name the layer of the olfactory bulb, which becomes the anterior olfactory nucleus in the olfactory tract.

Granule cell layer.

14

Name 2 main intrinsic neurons in the olfactory bulb.

Periglomerular, granule cells.

15

The olfactory trigone splits centrally into the _______ & _________.

Medial and lateral olfactory straie.

16

Name the neuron that has no axon in the olfactory bulb.

Granule cells.

17

The medial straie of the olfactory nerve ends to the subcallosal area, which consists of _________ & _______.

Paraolfactory & paraterminal areas.

18

The subcallosal area connected with ___________ gyrus by the way of the cingular gyrus.

Parahippocampal

19

All of the following are connected by the lateral straie of the olfactory nerves, EXCEPT;

A.) Gyrus semilunaris.
B.) Amigdaloid body.
C.) Entorhinal area.
D.) Subcallosal area.

20

The olfactory nerve fibers are extremely minute and unmyelinated. True / False?

True

21

Damage to any part of the olfactory system may result in_______ or _________.

Hyposmia or anosmia.

22

Damage to the olfactory system may cause total loss of smell, which is known as _________.

Anosmia