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Anatomy Year 2 - Head + Neck > Week 3 - DRY > Flashcards

Week 3 - DRY Flashcards

(38 cards)

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1
Q

Which bone forms the posterior boundary of the anterior cranial fossa?

A

Sphenoid

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2
Q

Which bone forms the anterior boundary of the middle cranial fossa?

A

Sphenoid

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3
Q

Which 2 bones form the floor of the middle cranial fossa?

A

Temporal bone (squamous and petrous parts)

Spenoid

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4
Q

Which four bones come together at the pterion shaped suture?

A

Frontal

Spenoid

Temporal

Parietal

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5
Q

Which bone forms the anterior and which the posterior border of the posterior cranial fossa?

A

Anterior = temporal (corrected)

Posterior = occipital

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6
Q

What structures pass through the small foramina of the skull?

A

Cranial nerves

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7
Q

What structure(s) passes through:

Foramina of the cribriform plate

A

Olfactory nerve (CN I)

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8
Q

What structure(s) passes through:

Optic foramen

A

Optic nerve (CN II)

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9
Q

What structure(s) passes through:

Superior orbital fissure

A
  • Oculomotor n
  • Trochlear n
  • Abducen
  • V1 (opthalmic division)
  • Opthalmic vein
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10
Q

What structure(s) passes through:

Foramen rotundum

A

V2 (maxillary division)

Note: Branches of it also passes through inferior orbital fissue

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11
Q

What structure(s) passes through:

Foramen spinosum

A

Middle meningeal artery & vein

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12
Q

What structure(s) passes through:

Foramen lacerum

A
  • Filled with connective tissue.

2 vessels:

  • Small meningeal divisions of the ascending pharyngeal artery.
  • Emissary veins travels via the cavernous sinus towards the pterygoid venous plexus.
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13
Q

What structure(s) passes through:

Carotid canal

A

Internal carotid artery

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14
Q

What structure(s) passes through:

Internal acoustic foramen

A

Facial nerve n

Vestibulocochlear n

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15
Q

What structure(s) passes through:

Jugular foramen

A

Vagus n

Glossopharyngeal n

Accessory n

IJV

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16
Q

What structure(s) passes through:

Hypoglossal foramen

Study These Flashcards
A

Hypoglossal nerve

17
Q

What structure(s) passes through:

Foramen magnum

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A

Medulla

Vertebral arteries

18
Q
  1. What groove begins just lateral to the foramen spinosum.
  2. What artery and its branches makes this groove?
Study These Flashcards
A

Middle Meningeal Artery grove

MMA (Sayed)

19
Q

Into which foramen does the groove for the sigmoid sinus lead?.

Study These Flashcards
A

Jugular foramen

20
Q

Which major vein emerges into the neck from the jugular foramen?

21
Q

In the body of which cranial bone is the sella turcica found?

22
Q

Which foramen lies immediately anterior to the groove for the cavernous sinus?

Study These Flashcards
A

Superior orbital fissure

23
Q

Which bone are the pterygoid plates and the pterygoid hamulus part of

24
Q

Name the muscle(s) that attach to:
1. the medial pterygoid plate

Study These Flashcards
A

Superior pharyngeal constrictor

25
Name the muscle(s) that attach to: 2. the lateral pterygoid plate
Medial & lateral pterygoids
26
What are the advantages for a neonate of having a comparatively flexible skull? 1 During childbirth it allows for 2 During infancy it 3 In the event of accidents such as falls
* Bones can slide over/ overlap, making it easier for the baby's head to pass through without brain damage * Allows brain to grow rapidly * Less likely to fracture
27
What type of ossification occurs in: flat bones of the vault of the skull?
Intermembranous
28
What type of ossification occurs in: irregular bones of the base of the skull?
Endochondrial
29
At what age do the following fontanelles fuse? Anterior Posterior
Anterior = 18 months after birth (1.5 Y/O) Posterior = 2-3 months after birth
30
What type of epithelium lines the dorsal surface of the tongue?
**_Keratinised_** stratified sqaumous
31
What type of muscle fibres underlies the epithelium of the tongue?
Striated (skeletal)
32
What is the acinus
The **rounded secretory** component of a gland
33
What do serous acini secrete, and do they strain strongly or poorly?
Proteins Stains strongly
34
What do mucous acini secrete, and do they strain strongly or poorly?
Glycoprotein Stains poorly
35
What is the function of myoepithelial cells
Contract and expel secretions of exocrine glands
36
What gland is this and what type of secretions?
Parotid Serous
37
What gland is this and what type of secretions?
Sublingual Mucous
38
What gland is this and what type of secretions?
Submandibular Mixed

Anatomy Year 2 - Head + Neck (7 decks)

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