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Head and Neck Anatomy > The Head and Its External Features > Flashcards

The Head and Its External Features Flashcards

1
Q

What are the bones of the skull?

A

Skull, mandible, hyoid apparatus, ossicles of middle ear, cartilages of external ear, nose, and larynx

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2
Q

What are the bones of the skull separated by?

A

Sutures

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3
Q

What bones form the dorsal wall of the brain case?

A

Parietal and frontal bones

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4
Q

What is the caudal extremity of the cranium?

A

External occipital protuberance

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5
Q

Which species has an incomplete orbital ring connected by an orbital ligament?

A

Cat, Pig, Dog

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6
Q

Which species have a complete orbital ring?

A

Ox, Horse

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7
Q

What bones/processes make up the zygomatic arch?

A

Temporal process of the zygomatic bone and zygomatic process of the temporal bone

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8
Q

What is the function of the external acoustic meatus?

A

Entrance to the middle ear

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9
Q

What passes through the stylomastoid foramen?

A

Facial nerve

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10
Q

What passes through the optic canal?

A

Optic nerve (CN II)

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11
Q

What passes through the orbital fissure?

A

Opthalmic nerve (CN V1), Oculomotor nerve (CN III), Trochlear nerve (CN IV), Abducens nerve (CN VI), and external opthalmic vein

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12
Q

What passes through the rostral alar foramen

A

Maxillary nerve (CN V2), and maxillary artery

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13
Q

What passes through the infraorbital foramen?

A

Infraorbital nerve (branch of maxillary nerve - CN V2)

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14
Q

What is the region where the nasal cavities open into the pharynx?

A

The choanal region

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15
Q

What passes through the jugular foramen (aka tympano-occipital)

A

Glossopharygeal nerve (CN IX), Vagus nerve (CN X), Accessory nerve (CN XI), and a vein draining the cranium

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16
Q

What foramen is on the rostral side of the tympanic bulla (rostral to jugular foramen)

A

Foramen lacerum

17
Q

What passes through the hypoglossal canal and what structures is it between?

A 
Hypoglossal nerve (CN XII)
Between the jugular foramen and the occipital condyle
18
Q

What are the horizontal and vertical parts of the mandible called?

A

body and ramus

19
Q

What are the foramena in the mandible called?

A

Mental foramina

20
Q

What mandibular process attaches to the temporal muscle?

A

coronoid process

21
Q

What mandibular process articulates with the skull?

A

condylar process

22
Q

What muscles attach to the angular process of the mandible?

A

Masseter and medial pterygoid muscles

23
Q

What is the order of the bones of the hyoid? (starting with attachment to skull)

A

Stylohyoid, Epihyoid, Ceratohyoid, Basihyoid, Thyrohyoid

24
Q

What are the three types of dog head conformations from elongated to short muzzle)

A

Dolichocephalic, Mesaticephalic, Brachycephalic

Head and Neck Anatomy (2 decks)

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