The neurocranium, embryology. Flashcards by Inés Arroyo Castelló | Brainscape

Q

**

How do flat bones articulate?

A

Via synfibroses/sutures.

By connective tissue.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

When do fontanelles close?

A

By the 18 month.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What suture involves…

Scaphocefally

A

The sagittal suture.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What suture involves…

Plagiocephally

A

The unilateral closure of the coronal suture.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What suture involves…

Brachycephally

A

The bilateral closure of the coronal suture.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Type of ossification of flat bones

Frontal, parietal and occipital

A

Intramembranous

From mesenchyme to bone.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Type of ossification of base of the skull

Sphenoid, ethmoid, temporal, occipital

A

Endochondrial ossification

Mesenchyme to cartilage to bone.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

From where does the mesenchyme come from?

A

Ectoderm and Mesoderm

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

The anterior bone derives from…

A

The ectoderm (neural crest cells)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

The posterior bone derives from…

A

The paraaxial mesoderm (occipital somites and somitomeres)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly