Axial Skeleton: Skull Flashcards

1
Q

Lines that separate bones of the skull

A

Suture lines

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2
Q

2 major parts of skull

A

Cranium (surrounds cranial cavity) and facial bones

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3
Q

Caudal bone of skull that articulates w atlas (C1)

A

Occipital bone

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4
Q

Opening in occipital that allows spinal cord to leave brain

A

Foramen magnum (aka magna)

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5
Q

Rostral to the occipital bone

A

Parietal bone

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6
Q

Rostral to parietal bone

A

Frontal bone

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7
Q

Eye socket

A

Orbit

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8
Q

What bone the horns or antlers grow from

A

Frontal

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9
Q

Bones that make up sides of head

A

Temporal

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10
Q

Bulb like cavity that contains the middle ear

A

Tympanic or temporal bulla

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11
Q

Bone contains inner ear

A

Petrous temporal bone

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12
Q

Caudal portion of zygomatic arch

Cranial

A

Caudal: temporal
Cranial: frontal

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13
Q

Cheek bone is called the

A

Zygomatic arch

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14
Q

The mandible articulates with the temporal bone to form

A

TMJ (temporo-mandibular joint)

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15
Q

A fractured mandible symphasis can be fixed by

A

Wrapping wire around it, leaving it like that for 4-6 weeks

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16
Q

3 bones that make up the hard palate

A

Incisive bone, maxilla, and palatine bones

17
Q

Most rostral of upper jaw bones

A

Incisive bone

18
Q

Most caudal portion of hard palate

A

Palatine bones

19
Q

Curled sheets of bone (scrolls) in nose covered w mucous membrane

A

Ethmoid turbinates

20
Q

Nerve endings from what nerve are located in the ethmoid turbinates

A

Cranial nerve I, aka the olfactory nerve

21
Q

Cranial nerve I is used for

A

Smell

22
Q

The openings in the cribriform plate that let the olfactory nerve pass are called

A

Ethmoid foramina

23
Q

The ethmoid turbinates in each nasal passage divide them into 4 channels called

A

Meatuses

24
Q

When passing a tube through the nose you want the keep it near the

A

Ventral meatus

25
Q

The largest meatus is the

A

Ventral one

26
Q

Purpose of the turbinates

A

Warm air, filter air, location for nerve endings for sense of smell

27
Q

Hornless gene is dom or recessive

A

Dominant

28
Q

Red color trait is dom or recessive

A

Recessive

29
Q

A female goat with two hornless genes may have

A

Pseudohermaphrotitism (an intersex condition)

30
Q

Male goats with two hornless genes often have

A

Low fertility

31
Q

Medical term for lumpy jaw in cattle

A

Actinomyces bovis

32
Q

Small bones in neck that support trachea

A

Hyoid bones

33
Q

A larger cranial cavity, the larger cerebral hemisphere, means higher

A

Thinking