Axial Bone of the Skull Flashcards

1
Q

consist of the cranial part (braincase), which surrounds the brain, and the facial part.

A

Skull

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2
Q

the most caudal bone of the skull

A

occipital bone

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3
Q

together with the frontal bone, it forms the roof of the cranial cavity

A

Parietal Bone

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4
Q

forms the rostral part of the roof of the cranial cavity

A

Frontal bone

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5
Q

lies below the parietal bone on the caudolateral surface of the skull

A

temporal bone

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6
Q

lThe most ventral part of the temporal bone forms a rounded prominence
called the _______________

A

tympanic bulla

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7
Q

houses the structures of the middle ear.

A

tympanic bulla

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8
Q

forms the rostral wall of the cranial cavity.

A

Ethmoid Bone

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9
Q

unpaired bone, lying on the ventral aspect of the skull, forming the floor of the cranial cavity.

A

Sphenoid Bone

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10
Q

Sphenoid bone houses the pituitary gland via a depression called __________.

A

sella turcica

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11
Q

forms part of the lateral wall of the air passageway dorsal to the soft palate

A

Pterygoid Bone

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12
Q
  • gutter-shaped bone that longitudinally
    separates the right and left nasal passages.
A

Vomer (Plowshare Bone)

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13
Q

supports the upper incisors and contributes to the formation of palatine fissure. Most rostral bone of the skull

A

Incisive Bone (Premaxilla)

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14
Q

longitudinal bone forming the roof of nasal cavity.

A

Nasal Bone

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15
Q

forms the osseous lateral walls of the
face and major part of the hard palate

A

MAXILLA BONE (upper jawbone)

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16
Q

lies at the medial surface of the orbit,
which houses the eye.

A

LACRIMAL BONE (prefrontal bone)

17
Q

the zygomatic arch is an arch of bone
that projects laterally from the skull, forming the cheekbone.

A

ZYGOMATIC BONE (Jugal, malar)

18
Q

forms part of the hard palate, along with the maxilla and
incisive bone.

A

PALATINE BONE

19
Q

the bony arch forming the lateral wall of the orbit.

A

Zygomatic Arch

20
Q

carries the sockets or alveoli for the teeth of the lower jaw.

A

Mandible

21
Q

horizontal part bearing the lower incisor, canine, premolar and molar teeth

A

body

22
Q

vertical part bearing no teeth

A

Ramus

23
Q

the physiologic gap between the incisors and cheek teeth

A

Diastema

24
Q

the mandible is composed of two halves or dentaries, joined at the chin by a
cartilaginous joint called the _________________

A

mandibular symphysis

25
Q

Lies in the intermandibular space and consists of a number of fine bones and
cartilages.

A

HYOID APPARATUS

26
Q

drilling of holes (trephine holes) into the
paranasal sinuses. May used to drain
infections in sinuses.

A

Trephination

27
Q
  • articulates rostrally with the
    epihyoid and with the styloid process of the
    temporal bone caudally
A

stylohyoid

28
Q

small, rounded bones situated
between the stylohyoid and ceratohyoid;
also known as the middle cornua.

A

Epihyoid

29
Q

located in between the epihyoid and basihyoid; small cornua

A

Ceratohyoid

30
Q

the only unpaired bone and is
considered as the base; it is short and
flattened and lies in a transverse plane.

A

Basihyoid

31
Q

articulate caudally with the
rostral cornua of the thyroid cartilage of the Larynx

A

Thyrohyoid

32
Q

3 types of skull based on their shape and structure

A
  1. Brachycephalic
  2. Mesocephalic
  3. Dolichocephalic
33
Q

Give example of breeds for the brachycephalic, mesocephalic, and dolichocephalic.

A

B. - pugs, bulldogs, shih tzu
M. - golden retriever, beagle
D. - Greyhounds, collie