Dental Embryology, Histology and Anatomy - Chapter 4

dental-embryology-histology-and-anatomy-chapter-4

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What are the five major facial processes (or prominences) that form during the fourth week and surround the primitive mouth of the embryo.

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Most of the facial structures develop by fusion of swellings or tissue on the same surface of the embryo.

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A cleft, or furrow, is initially located between the adjacent facial structure swellings due to:

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The furrows(cleft) are usually eliminated as the underlying mesenchyme migrates into the furrow making the embryonic facial surface smooth.

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Initially appeared as a shallow depression in the embryonic surface ectoderm at the cephalic end before the fourth week.

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What structure is the future digestive tract called? Also known as the cranial part of the foregut.

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The first event in the development of the face during the latter part of the fourth week of prenatal development is

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If you view the head and neck of an embryo at fourth week through a scanning electron micrograph, you should be able to see: Choose all that apply.

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When the frontonasal process enlarges, it helps to form the nasal region.

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Mandibular processes give rise to the maxillary processes and then fuse together at the mandibular symphysis, forming the mandibular arch inferior to the enlarged stomodeum.

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After formation of the stomodeum but still within the fourth week, two bulges of tissue appear inferior to the primitive mouth is called:

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consist of a core of mesenchyme formed in part by neural crest cells that migrated to the facial region

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The mandibular processes are covered externally by and internally by __.

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The paired mandibular processes fuse at the midline to form the ________.

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Dental Embryology, Histology and Anatomy - Chapter 4

Question 1 of 1

Time Left

What are the five major facial processes (or prominences) that form during the fourth week and surround the primitive mouth of the embryo.

Select the correct answer(s).

(0/0)

Most of the facial structures develop by fusion of swellings or tissue on the same surface of the embryo.

Select the correct answer(s).

(0/0)

A cleft, or furrow, is initially located between the adjacent facial structure swellings due to:

Select the correct answer(s).

(0/0)

The furrows(cleft) are usually eliminated as the underlying mesenchyme migrates into the furrow making the embryonic facial surface smooth.

Select the correct answer(s).

(0/0)

Initially appeared as a shallow depression in the embryonic surface ectoderm at the cephalic end before the fourth week.

Select the correct answer(s).

(0/0)

What structure is the future digestive tract called? Also known as the cranial part of the foregut.

Select the correct answer(s).

(0/0)

The first event in the development of the face during the latter part of the fourth week of prenatal development is

Select the correct answer(s).

(0/0)

If you view the head and neck of an embryo at fourth week through a scanning electron micrograph, you should be able to see: Choose all that apply.

Select the correct answer(s).

(0/0)

When the frontonasal process enlarges, it helps to form the nasal region.

Select the correct answer(s).

(0/0)

Mandibular processes give rise to the maxillary processes and then fuse together at the mandibular symphysis, forming the mandibular arch inferior to the enlarged stomodeum.

Select the correct answer(s).

(0/0)

After formation of the stomodeum but still within the fourth week, two bulges of tissue appear inferior to the primitive mouth is called:

Select the correct answer(s).

(0/0)

consist of a core of mesenchyme formed in part by neural crest cells that migrated to the facial region

Select the correct answer(s).

(0/0)

The mandibular processes are covered externally by______ and internally by ________.

Select the correct answer(s).

(0/0)

The paired mandibular processes fuse at the midline to form the ________.

Select the correct answer(s).

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During the growth of the mandibular arch, _______ forms within each side of the arch.

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The mandibular processes are covered externally by and internally by __.