PRAC.6 Flashcards

Tongue - -musculature -nerves -blood supply

1
Q

10

A

Frenulum linguae

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2
Q

3

A
  • Radix linguae*
  • Attaches to hyoid bone
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3
Q

6

A

Papilla conicae

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4
Q

C

A

Papilla fungiformis

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5
Q

D

A

Papilla filiformis

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6
Q

E

A

Papilla vallata

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7
Q

F

A

Papillae foliata

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8
Q

1

A

M. genioglossus

Origin: Symphysis et corpus mandibulae

Insertion: Opposite m. genioglossus

Action: Protrude tongue, retract apex

  • To locate, search deep to the geniohyoid
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9
Q

2

A

M. hyoglossus

Origin: Thyrohyoid, basilhyoid

Insertion: Radix linguae

Action: Retract and depress the tongue

  • Located under the Hypoglossal Nerve
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10
Q

3

A

M. styloglossus

Origin: Stylohyoid

Insertion: Middle of the tongue

Action: Retract and elevate the tongue

  • Runs parallel to the Hypoglossal Nerve
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11
Q

The dorsal surface of the tongue

A

Dorsum linguae

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12
Q

The part of the tongue containing papillae

A

Pars gustatoria

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13
Q

N. mandibularis (CN-V3)

A
  • Tactile, pain and thermal innervation
  • Rostral 2/3 of the tongue
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14
Q
A

Chorda tympanii

  • Ex n. intermediofaciallis ex n. facialis (CN-VII)
  • Mechanical + chemoreceptor fibre innervation
  • Whole tongue
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15
Q
A

N. glossopharyngeus (CN-IX)

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16
Q
A

N. vagus (CN-X)

17
Q

List the innervating nerves of the tongue

A
  • R. lingualis n. mandibularis (CN-V3 )
  • Chorda tympanii n. intermediofacialis
  • N. glossopharyngeus (CN-IX)
  • N. Vagus (CN-X)
  • N. hypoglossus (CN-XII)
18
Q
A

A. lingualis

  • Ex a. carotis externa ex a. carotis communis
  • Becomes a. lingualis profundus as it reaches radix linguae
  • Runs alongside n. hypoglossus (CN-XII)
19
Q
A

A. lingualis

  • Ex a. carotis externa ex a. carotis communis
  • Becomes a. lingualis profundus as it reaches radix linguae
  • Runs alongside n. hypoglossus (CN-XII)
20
Q

13

A

A. lingualis

  • Ex a. carotis externa ex a. carotis communis
  • Becomes a. lingualis profundus as it reaches radix linguae
  • Runs alongside n. hypoglossus (CN-XII)
21
Q
A

N. hypoglossus (CN-XII)

  • Found by transecting m. mylohyoideus
  • Runs alongside a. lingualis
  • Motor nerve of the tongue
22
Q
A

N. lingualis

  • Ex n. mandibularis (CN-V3) ex n. trigeminus (CN-V)
  • Sensory nerve to the tongue (not taste)
23
Q
A

N. sublingualis

  • Ex n. lingualis
  • Runs with d**uctus mandibularis et sublingualis
24
Q
A

A. sublingualis

25
15
***A.*** ***sublingualis***
26
8
**M. geniohyoideus** **Origin:** Rostromedial mandible **Insertion:** *Basihyoideus* **Action:** Raises floor of oral cavity
27
*M. genioglossus* and *m. geniohyoideus* make up...
The perpendicular muscles of the tongue
28
10
Superficial Longitudinal Fibres
29
11
Deep Longitudinal Fibres
30
12
Transverse Fibres
31
13
Perpendicular Fibres
32
Where should the cross section be made in order to view the internal musculature of the tongue?
About half way ## Footnote *Cut through frenulum sublingualis*
33
11
**Rr. dorsales linguae**
34
14
**A. sublingualis**
35
15
A. submentalis