Gross Anatomy - Cranial Foramina Flashcards

1
Q

Foramen cecum is formed by what two bones?

A
  • Frontal

- Ethmoid

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2
Q

Contents of Foramen cecum?

A

Emissary vein

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3
Q

Greater palatine foramen is formed by what bone?

A

Palatine

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4
Q

Contents of Greater palatine foramen?

A

Greater palatine N.A.V.

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5
Q

Contents of Lesser palatine foramen?

A

Lesser palatine N.A.V.

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6
Q

Lesser palatine foramen is formed by what bone?

A

Palatine

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7
Q

Incisive canal is formed by what bone?

A

Maxilla

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8
Q

Contents of Incisive canal?

A

Nasopalatine nerve

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9
Q

Contents of Supraorbital foramen?

A

Supraorbital N.A.V.

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10
Q

Supraorbital foramen is formed by what bone?

A

Frontal

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11
Q

Infraorbital foramen is formed by what two bones?

A
  • Sphenoid

- Maxilla

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12
Q

Contents of infraorbital foramen?

A

Infraorbital nerve (V2) [N.A.V]

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13
Q

Contents of optic canal?

A
  • Optic nerve

- Ophthalmic artery

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14
Q

Optic canal is formed by what bone?

A

Sphenoid

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15
Q

Superior orbital fissure is formed what by bone?

A
  • Sphenoid

[specifically - between the greater + lesser wings]

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16
Q

Contents of superior orbital fissure?

A
  • Oculomotor n. (CN3)
  • Trochlear n. (CN4)
  • Trigeminal n. (V1 - lacrimal, frontal, and nasociliary n.n)
  • Superior ophthalmic vein
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17
Q

Contents of inferior orbital fissure?

A
  • V2 [specifically - infraorbital n.]
  • Infraorbital artery, vein
  • Ascending branches of sphenopalatine ganglion
18
Q

Inferior orbital fissure leads to what foramen?

A

Infraorbital foramen

19
Q

Inferior orbital fissure is made of what two bones?

A
  • Sphenoid

- Maxilla

20
Q

Foramen rotundum is made of what bone?

A

Sphenoid

21
Q

Foramen ovale is made of what bone?

A

Sphenoid

22
Q

Foramen spinosum is made of what bone?

A

Sphenoid

23
Q

Petrotympanic fissure is made of what bone?

A

Temporal

24
Q

Foramen magnum is made of what bone?

A

Occipital

25
Q

Mandibular foramen is made of what bone?

A

Mandible

26
Q

Mental foramen is made of what bone?

A

Mandible

27
Q

Stylomastoid foramen is made of what bone?

A

Temporal

28
Q

Internal acoustic meatus is made of what bone?

A
  • Temporal

[specifically - the petrous portion]

29
Q

Foramen lacerum is made of what two bones?

A
  • Temporal

- Sphenoid

30
Q

Jugular foramen is made of what two bones?

A
  • Temporal

- Occipital

31
Q

Contents of foramen rotundum?

A

V2

32
Q

Contents of foramen ovale?

A
  • V3
  • Parasympathetic fibers from CNIX via lesser petrosal n
  • Accessory meningeal artery
33
Q

Contents of foramen spinosum?

A

Middle meningeal artery and vein

34
Q

Contents of petrotympanic fissure?

A
  • Chorda tympani

- Anterior tympanic artery

35
Q

Contents of foramen lacerum?

A
  • Greater petrosal n
  • Deep petrosal n
  • Parasympathetic fibers from CNVII via nervus intermedius
36
Q

Contents of Internal acoustic meatus?

A

CNVII and CNVIII

37
Q

Contents of stylomastoid foramen?

A

Facial n. (CNVII)

38
Q

Contents of jugular foramen?

A
  • Internal jugular vein
  • Glossopharyngeal (CNIX)
  • Vagus (CNX)
  • Spinal accessory n.n (CNXI)
39
Q

Contents of foramen magnum?

A
  • Medulla oblongata/spinal cord
  • Vertebral arteries
  • Spinal accessory n.
40
Q

Contents of mandibular foramen?

A

Inferior alveolar N.A.V.

41
Q

Contents of mental foramen?

A

Mental N.A.V.