A. 18 to 23 days post fertilization and is the second stage of craiofacial development
B. 28 to 38 days post fertilization and is the third stage of craniofacial development
C. 42 to 55 days post fertilization and is the fourth stage of craniofacial development
D. 17 the day post fertilization and is the first stage of craniofacial development
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A person showing two cell lines drived from one zygote is__________________?
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Which of the following is not a neuroectodermal derivative ?
A. Chimerism
B. Mosaicism
C. Segregation
D. Pseudo – dominance
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Which of the following is a derivative of the second brachial cleft________________?
A. Paneth cells
B. Neurons
C. Schwann cells
D. Odontoblasts
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Which part of the body is underdeveloped at birth_____________?
A. Tympanic cavity
B. Meckel’s cartilage
C. Palatine tonsil
D. Tongue base
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The fusion of two bony structures with a ligament is known as_______________?
A. Eyes
B. Ears
C. Face
D. Brain
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A non synovial joint with connective tissue in between is_____________?
A. Synostosis
B. Synchondrosis
C. Diarthrosis
D. syndesmosis
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Early fusion of the coronal suture results in________________?
A. syndesmosis
B. Synchondrosis
C. Saddle
D. Suture
0
First pharyngeal arc derivatives include which of the following structures ?
A. Brachycephaly
B. oxycephaly
C. Trigonocephaly
D. Scaphocephaly
0
Muscles of mastication develops from__________________?
A. Hyoid bone
B. Maxillary process
C. Stapes
D. Styloid process
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