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Anatomy 2 - Unit 2 > Skull Foramina and Structures Transmitted > Flashcards

Skull Foramina and Structures Transmitted Flashcards

1
Q

Cribriform Plate

A

CN 1 (Olfactory) Fibers

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2
Q

Foramen Cecum

A

Emissary vein from nasal cavity of superior sagittal sinus

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3
Q

Anterior Ethmoid Foramen

A

Anterior Ethmoidal nerve, artery, vein

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4
Q

Posterior Ethmoid Foramen

A

Posterior Ethmoidal nerve, artery, vein

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5
Q

Sphenopalatine Foramen

A
  1. Sphenopalatine artery and vein
    * posterior lateral nasal and posterior septal branches
  2. Nasopalatine nerve (From CN V2)
  3. Posterior Lateral Nasal Nerves (From CN V2)
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6
Q

Optic Canal

A
  1. CN II
  2. Ophthalmic Artery
  3. Sympathetic Fibers from internal carotid plexus
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7
Q

Superior Orbital Fissure

A
  1. CN III
  2. CN IV
  3. CN V1 (ophthalmic branch)
  4. CN VI
  5. Superior Ophthalmic vein
  6. Lacrimal Artery
  7. Sympathetic fibers from internal carotid plexus
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8
Q

Inferior Orbital Fissure

A
  1. Infraorbital nerve (from CN V2)
  2. Infraorbital artery and vein
  3. Zygomatic Nerve (from CN V2)
    * zygomaticotemporal n., a., v.
    * zygomaticofacial n., a., v.
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9
Q

Supraorbital Foramen/Notch

A

Supraorbital n., a., v.

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10
Q

Infraorbital Foramen

A

Infraorbital n., a., v.

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11
Q

Zygomaticotemporal Foramen

A

Zygomaticotemporal nerve (from CN V2) - from here onto temple

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12
Q

Zygomaticofacial Foramen

A

Zygomaticofacial nerve (from CN V2) - from here onto face

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13
Q

Alveolar Canal

A
  1. Posterior Superior Alveolar Nerve (from CN V2)

2. Posterior Superior Alveolar Artery and Vein

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14
Q

Foramen Rotundum

A

CN V2 - Maxillary nerve

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15
Q

Foramen Ovale

A

CN V3 - Mandibular Nerve

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16
Q

Internal Acoustic Meatus

A
  1. CN VII
  2. CN VIII
  3. Labyrinthine (internal auditory) artery
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17
Q

External Acoustic Meatus

A

Tympanic Membrane

18
Q

Groove for Pharyngotympanic (auditory) Tube

A

Cartilaginous portion of auditory tube

19
Q

Stylomastoid Foramen

A

CN VII - Facial Nerve

20
Q

Facial Canal

A

*Opens into stylomastoid foramen

CN VII - Facial

21
Q

Petrotympanic Membrane

A
  1. Chorda Tympani (from CN VII)

2. Anterior Tympanic artery and vein

22
Q

Hiatus for Greater Petrosal Nerve

A

Greater Petrosal Nerve (from CN VII)

23
Q

Hiatus for Lesser Petrosal Nerve

A

Lesser Petrosal Nerve (CN IX)

24
Q

Jugular Foramen

A
  1. CN IX - glossopharyngeal
  2. CN X - Vagus
  3. CN XI - Accessory
  4. Internal Jugular Vein (jugular bulb)
25
Q

Hypoglossal Canal

A

CN XII - hypoglossal nerve

26
Q

Carotid Canal

A
  1. Internal Carotid Artery

2. Sympathetic (carotid) plexus of nerves from internal carotid nerve

27
Q

Foramen Lacerum

A

Filled with fibrocartilage plug

Internal Carotid Artery runs above it to enter cranial vault

28
Q

Pterygomaxillary Fissure

A

Terminal Branches of Maxillary Artery and Veins

29
Q

Pterygopalatine Fossa

A
  1. Pterygopalatine ganglion
  2. CN V2 (maxillary)
  3. Branches of Maxillary Artery and Vein
30
Q

Pterygoid Canal

A
  1. Nerve (Vidian) of pterygoid canal - formed by union of greater petrosal and deep petrosal nerves
  2. Pterygoid branch of maxillary artery
31
Q

Pharyngeal Canal

A
  1. Pharyngeal Nerve (from CN V2)

2. Pharyngeal branches of Maxillary artery and veins

32
Q

Palatine Canal

A
  1. Greater Palatine Nerve (from CN V2)
  2. Lesser Palatine Nerve (from CN V2)
  3. Descending Palatine artery and vein
    Greater and Lesser Palatine artery and vein
33
Q

Greater Palatine Foramen

A
  1. Greater Palatine Nerve, artery, vein

2. Lesser Palatine artery and vein

34
Q

Lesser Palatine Foramen

A

Lesser Palatine nerve

35
Q

Incisive Foramen

A
  1. Nasopalatine nerve
  2. Branches of Sphenopalatine artery and vein
  3. Branches of Greater palatine artery and vein (anastomose with sphenopalatine branches)
36
Q

Foramen Spinosum

A
  1. Middle Meningeal Artery

2. Meningeal Branch of CN V3 (mandibular)

37
Q

Foramen Magnum

A
  1. Spinal Cord and Meninges
  2. Ascending Rootlets of CN XI
  3. Vertebral Arteries
  4. Anterior and posterior Spinal arteries
38
Q

Condyloid Canal

A

Emissary veins from superficial veins of skull to sigmoid sinus

39
Q

Mandibular Foramen

A

Inferior Alveolar artery, vein, and nerve (from CN V3)

40
Q

Mental Foramen

A

Mental Nerve (from CN V3)

Anatomy 2 - Unit 2 (1 decks)

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