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GENERAL ANATOMY 2 > TRIGEMINAL NERVE > Flashcards

TRIGEMINAL NERVE Flashcards

1
Q

Roots that originates from the pons

A

Large sensory root
Small motor root

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2
Q

Cranial nerves located at the cerebral hemisphere

A

Olfactory and optic nerve

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3
Q

Cranial nerves located at the midbrain

A

Oculomotor and trochlear nerve

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4
Q

Cranial nerves located at the pons

A

Trigeminal, abducens, facial, and vestibulocochlear nerve

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5
Q

Cranial nerves located at the medulla oblongata

A

Glossopharyngeal, vagus, accessory, hypoglossal nerve

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6
Q

From the pons, it expands into the trigeminal ganglion to
form three branches:

A

Ophthalmic branch
Maxillary branch
Mandibular branch

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7
Q
  • purely sensory
  • leaves the cranial cavity and enters the orbit through the superior orbital fissure.
A

Ophthalmic branch

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8
Q
  • purely sensory
  • leaves the cranial cavity through the foramen
    rotundum.
A

Maxillary branch

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9
Q
  • mixed
  • leaves the skull through the foramen ovale.
A

Mandibular branch

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10
Q

OPHTHALMIC NERVE THREE MAIN BRANCHES:

A

Frontal nerve
Nasociliary nerve
Lacrimal nerve

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11
Q

Largest branch of ophthalmic nerve that goes to the supraorbital foramen

A

Frontal nerve

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12
Q

Smallest branch of ophthalmic nerve that goes to the lacrimal gland.

A

Lacrimal nerve

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13
Q

Branch of ophthalmic nerve that goes to the orbit, nasal
cavity.

A

Nasociliary nerve

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14
Q

The ophthalmic nerve and its branches supply ___________.

A

general sensation

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15
Q

The ophthalmic nerve and its branches supply general
sensation (of touch, pain, pressure, and temperature) to
the skin of the:

A
  • Upper third of the face.
  • Forehead and anterior scalp.
  • Around the eyeballs, upper eyelids.
  • Nose and part of the nasal mucosa.
  • Maxillary sinus.
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16
Q

Does the ophthalmic nerve supply the oral cavity?

A

No

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17
Q

Gives sensory innervation to
the dura mater.

A

Middle Meningeal Nerve

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18
Q

The max. nerve gives rise to its smallest branch, the
__________________ near the foramen rotundum.

A

middle meningeal nerve

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19
Q

It supplies the dura mater of the middle cranial fossa

A

middle meningeal nerve

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20
Q

After passing through the foramen rotundum, the maxillary nerve splits into
four branches:

A

Pterygopalatine nerve
Posterior superior alveolar nerve
Infraorbital nerve
Zygomatic nerve

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21
Q

It is a ganglion in the maxillary nerve

A

Pterygopalatine nerve

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22
Q

It is a branch of the pterygopalatine nerve wherein it is called _____ after it passes through the greater palatine foramen.

A

greater palatine nerve

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23
Q

supply the part of the hard palate and palatal
gingiva to the posterior teeth (molars and
premolars)

A

Greater Palatine Nerve

24
Q

enter the palate through the lesser palatine
foramen to spread posteriorly to supply the
tonsils and mucosa of the soft palate.

A

Lesser (Posterior) Palatine Nerves

25
Q

emerge anterior of palate through incisive
foramen.

A

Nasopalatine nerve

26
Q

Its dental branches enter to the foramina in the tooth roots
to supply the max. molars (except for one root = the
mesiobuccal root of the max. first molars).

A

Posterior superior alveolar nerve (PSAN)

27
Q

It enters the infraorbital canal, where it becomes the
________________.

A

Infraorbital Nerve

28
Q

While inside the infraorbital canal, the infraorbital nerve gives off two
branches:

A

Middle Superior Alveolar Nerve
Anterior Superior Alveolar Nerve

29
Q

Branch of infraorbital nerve that enters the foramina of the max. premolars
and the mesiobuccal root of the 1st molar.

A

Middle Superior Alveolar Nerve

30
Q

Branch of infraorbital nerve that enters the foramina of max. anterior teeth.

A

Anterior Superior Alveolar Nerve

31
Q

After exiting the infraorbital foramen, the infraorbital nerve
splits into its end (terminal) branches innervating the skin
and mucosa of the side of the:

A

Nose (nasal branches).
* Lower eyelids (palpebral branches).
* Upper lip (superior labial branches).
* Facial gingiva of the max. premolars and anterior
teeth.

32
Q

Zygomatic Nerve is divides into two branches:

A

a. Upper Zygomaticotemporal Nerve
b. Lower Zygomaticotemporal Nerve

33
Q

Branch of zygomatic nerve that supplies the lower skin of the temporal region
and lower part of the orbit.

A

Lower Zygomaticotemporal Nerve

34
Q

A mixed division of the trigeminal nerve

A

Mandibular nerve

35
Q

retracts the mandible

A

Motor fibers

36
Q

Motor fibers retracts the mandible, with the assistance
of:

A

Muscles of mastication
Mylohoid muscles and the anterior belly of the
digastric muscles.

37
Q

Muscles of mastication

A

temporalis, masseter,
lateral and medial pterygoid

38
Q

The lateral pterygoid has two part

A

superior and inferior head

39
Q

Lateral pterygoid part that superiorly moves the mandible with masseter, temporalis, lateral pterygoid and medial pterygoid

A

Superior head of the lateral pterygoid

40
Q

Lateral pterygoid part that moves the mandible inferiorly with the mylohyoid, anterior belly of digastric

A

Inferior head of the lateral pterygoid

41
Q

responsible for touch, pain,
pressure, and temperature, along with the skin of the
lower third of the face, floor of the mouth, anterior two
thirds of the tongue

A

sensory fibers

42
Q

Does mandible nerve allow sense of taste?

A

no

43
Q

Four sensory branches of mandibular nerve:

A

Auriculotemporal Nerve
Buccal Nerve (Long Buccal Nerve)
Lingual Nerve
Inferior Alveolar Nerve

44
Q

Motor branch of mandibular nerve

A

Mylohyoid Nerve

45
Q

Sensory branch of mandibular nerve that supply pain and proprioception fibers to the
TMJ, skin of the outer ear, lateral aspect of
the skull and cheek

A

Auriculotemporal Nerve

46
Q

Sensory branch of mandibular nerve that innervates the mucosa and skin of the
cheek up to the corner of the mouth, buccal
gingiva in the area of the mandi. molars
(distal to the 1st molar), and sometimes
buccal of the second premolars

A

Buccal Nerve

47
Q

Sensory branch of mandibular nerve that Goes to the tongue to provide general
sensation (touch, pain, pressure, and
temperature, but not taste).
Dorsal and ventral surfaces anterior two
thirds of the tongue and adjacent tissues.

A

Lingual Nerve

48
Q

Sensory branch of mandibular nerve that enters mandi. foramen = inside the mandi.
canal:
Spread into dental branches to enter the
apical foramen of all mandi. molars and
premolars.

A

Inferior Alveolar Nerve

49
Q

Inferior avleolar nerve within the mandibular canal splits near the roots of the premolars to become:

A

mental nerve and incisive nerve

50
Q

Over-lapping nerve fibers location and what is it called

A

lower anterior teeth by the incisive nerve fibers

51
Q

Nerve of Mylohyoid muscle and the anterior belly of the
digastric muscles that opens the mouth

A

Mylohyoid Nerve

52
Q

to the masseter muscle, as
well as to the TMJ.

A

Masseteric nerve

53
Q

to the
temporalis muscle.

A

Posterior and anterior temporal nerves

54
Q

to the medial
pterygoid muscle.

A

Medial pterygoid nerve

55
Q

to the lateral
pterygoid muscle.

A

Lateral pterygoid nerve

GENERAL ANATOMY 2 (2 decks)

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