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WUCO H&N Anatomy > Fetal Osteology > Flashcards

Fetal Osteology Flashcards

1. Identify the names of the joints between fetal cranial bones 2. Identify the process the skull undergoes while engaged in the birth canal and during vaginal delivery 3. Identify the clinical significance of either a sunken or a raised fetal fontanelle

1
Q

The fetal skull begins to develop at ____ weeks

A

4

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2
Q

Fontanelles and connective tissue allow for the passage of skull through

A

Vagina by sliding over another to decrease surface area

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3
Q

Overlapping of adjacent bones of the fetal skill during passage through the birth canal

A

Molding

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4
Q

Soft spot of the fetal skull

A

Fontanelle

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5
Q

____ allows for molding to occur

A

Fontanelle

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6
Q

This allows for the connection of fontanelles and is attached to growing cranial bones

A

Connective tissue membrane

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7
Q

Overlies venous and CSF (cerebrospinal fluid) drainage routes

A

Connective tissue of Fontanelle

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8
Q

The Fetal Skull has _ fontanelles

A

6

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9
Q

Out of the 6 fontanelles, _ are paired and _ are unpaired

A

4, 2

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10
Q

The 2 unpaired fontanelles are

A

Frontal/Anterior

Occipital/Posterior

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11
Q

Most prominent fontanelle, diamond shaped, located in coronal suture

A

Frontal/Anterior fontanelle

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12
Q

This fontanelle is located in the lambdoid suture

A

Occipital/Posterior fontanelle

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13
Q

Occipital bone is located within what suture

A

Lambdoid suture

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14
Q

The Frontal/Anterior Fontanelle is located within what suture?

A

Coronal suture

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15
Q

Paired Fontanelles

A

Sphenoidal/Anterolateral Fontanelle

Mastoid/Posterolateral Fontanelle

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16
Q

This fontanelle is located on either side of the skull (left and right sides)

A

Sphenoidal/Anterolateral Fontanelle

17
Q

This fontanelle is located between temporal, parietal, and occipital bones

A

Mastoid/Posterolateral Fontanelle

18
Q

Sphenoidal fontanelle is located around the

A

Ear

19
Q

Mastoidal Fontanelle is lovated near the

A

Base of the skull by occipital bone

20
Q

Anterior fontanelle is located at

A

The anteriocentral portion of the skull, creating a crown looking shape across.

21
Q

Occipital fontanelle is located

A

Just superior to the occipital bone

22
Q

Sunken Fontanelle is a sign of

A

Dehydrated baby or suffering failure to thrive

23
Q

Sunken Fontanelle may indicate

A

Lack of appropriate venous blood volume or low intracranial pressure

24
Q

Raised/pulsating fontanelle may indicate

A

Increased intracranial pressure or poor drainage of venous blood or swelling of the brain

WUCO H&N Anatomy (28 decks)

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