Embryology: Muscles and Cranial Nerves Development

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Which structure develops from the first pharyngeal arch?

Face

Thyroid gland

Stapedial artery (correct)

Common carotid artery

What contributes to the development of the face in embryology?

Adrenal medulla

Truncus arteriosus

Meninges

Cranial mesenchyme (correct)

Which artery is associated with the second pharyngeal arch?

Common carotid artery

Stapedial artery (correct)

External carotid artery

Maxillary artery

During embryonic development, what gives rise to the tongue?

Cranial mesoderm Signup and view all the answers

Which structure originates from the third pharyngeal arch?

Mandibular component Signup and view all the answers

What are the primary structures that develop during the 4th week in pharyngeal arches?

Nerve and artery Signup and view all the answers

Where does the thyroid gland originate during embryonic development?

Near the base of the tongue, between the first and second pharyngeal pouches Signup and view all the answers

Which structure forms as a remnant from the developmental process of the pharyngeal arches?

Eustachian tube Signup and view all the answers

What is the eventual fate of the cervical sinus in embryonic development?

Remnants present in the neck region Signup and view all the answers

Which muscle is derived from the occipital somites during development?

Stylopharyngeus muscle Signup and view all the answers

During which week of development does the tongue begin to form?

4th week Signup and view all the answers

Which pharyngeal arch is responsible for the development of facial expression muscles?

Second pharyngeal arch Signup and view all the answers

What is the nerve supply responsible for the sensation in the posterior 1/3rd of the tongue?

IX Signup and view all the answers

Which of the following processes merge to form the nasomedial process during face development?

Nasolateral process Signup and view all the answers

At what stage of development do the maxilla and mandible start fusing across the midline?

33 days Signup and view all the answers

Which part of the palate is formed by the median palatine process from the intermaxillary segment of the maxilla?

Primary palate Signup and view all the answers

What can defects in the development of pharyngeal cleft 1 result in?

Preauricular cysts and/or fistulas Signup and view all the answers

What happens as a developmental anomaly if there are defects in the development of pharyngeal clefts 2-4?

Appearance of cervical cysts or fistulas along sternocleidomastoid border Signup and view all the answers