Foramina of the skull

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Last updated 5:33 AM on 9/11/25
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1
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<p>What foramina is labeled by the blue and yellow pipes? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the blue and yellow pipes? What bones are the located? Also, which if any cranial nerves pass through there?

Blue:

Foramen spinosum on the sphenoid (temporal + occipital bones) / no cranial nerves pass it

Yellow:

foramen lacerum on the sphenoid (temporal + occipital bones) / no cranial nerves pass it

2
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<p>What foramina is labeled by the black and pink boxes? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the black and pink boxes? What bones are the located? Also, which if any cranial nerves pass through there?

Black:

Foramina rotundum on the sphenoid / maxillary nerve (V2) goes through

Pink:

Foramina ovale on the sphenoid / mandibular nerve (V3)

3
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<p>What foramina is labeled by the yellow pipe? What bones are they located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the yellow pipe? What bones are they located? Also, which if any cranial nerves pass through there?

Internal acoustic meatus located on the temporal bone / vestibulocochlear (VIII) and facial nerve (VII)

4
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<p>What foramina is labeled by the yellow pipe? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the yellow pipe? What bones are the located? Also, which if any cranial nerves pass through there?

hypoglossal canal on the occipital and temporal bones / hypoglossal nerve (XII)

5
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<p>What foramina is labeled by the yellow highlight? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the yellow highlight? What bones are the located? Also, which if any cranial nerves pass through there?

External acoustic meatus on the temporal bone (no nerves pass through)

6
New cards
<p>What foramina is labeled by the yellow highlight? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the yellow highlight? What bones are the located? Also, which if any cranial nerves pass through there?

nasolacrimal canal on the lacrimal bone with the maxilla / no nerves pass through here

7
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<p>What foramina is labeled by my finger? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by my finger? What bones are the located? Also, which if any cranial nerves pass through there?

Supraorbital Foramen is on the frontal bone / supraorbital nerve (V) and the sensory branch of ophthalmic nerve

8
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<p>What foramina is labeled by the yellow highlight? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the yellow highlight? What bones are the located? Also, which if any cranial nerves pass through there?

Infraorbital Foramen on the maxilla / infraorbital (V) passes through

9
New cards
<p>What foramina is labeled by the yellow? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the yellow? What bones are the located? Also, which if any cranial nerves pass through there?

Optic canal on the sphenoid, optic nerve (II) passes here

10
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<p>What foramina is labeled by the blue pipe? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the blue pipe? What bones are the located? Also, which if any cranial nerves pass through there?

Optic canal on the sphenoid/ optic nerve II passes here

<p>Optic canal on the sphenoid/ optic nerve II passes here</p>
11
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<p>What foramina is labeled by the blue and yellow pipes? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the blue and yellow pipes? What bones are the located? Also, which if any cranial nerves pass through there?

Blue:

Superior orbital fissure on the sphenoid / oculomotor (III), trochlear (IV), and ophthalmic (V1), abducens (VI)

Yellow:

Inferior orbital fissure on the sphenoid and maxillae / maxillary nerve (V2)

12
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<p>What foramina is labeled by the blue pipe? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the blue pipe? What bones are the located? Also, which if any cranial nerves pass through there?

Cribriform (olfactory) foramina on the ethmoid bone / olfactory (I)

13
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<p>What foramina is labeled by the blue pipe and yellow highlight? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the blue pipe and yellow highlight? What bones are the located? Also, which if any cranial nerves pass through there?

Blue:

jugular foramen on the occipital and temporal bone / glossopharyngeal (IX), vagus (X), accessory nerve (XI)

Yellow:

foramen magnum on the occipital bone / accessory nerve (XI)

14
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<p>What foramina is labeled by the blue, yellow, and orange spots? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the blue, yellow, and orange spots? What bones are the located? Also, which if any cranial nerves pass through there?

Yellow:

Carotid canal on the temporal bone / no nerves

Blue:

Jugular Foramen on the occipital and temporal bone / glossopharyngeal (IX), vagus (X), accessory nerve (XI)

Orange:

Stylomastoid Foramen on the temporal bone / facial nerve (VII)

15
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<p>What foramina is labeled by my finger? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by my finger? What bones are the located? Also, which if any cranial nerves pass through there?

Mental Foramen on the mandible / mental nerve (V)

16
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<p>What foramina is labeled by the orange spot? What bones are the located? Also, which if any cranial nerves pass through there?</p>

What foramina is labeled by the orange spot? What bones are the located? Also, which if any cranial nerves pass through there?

Mandibular Foramen on the mandible / inferior articular nerve passes here