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Questions and Answers
Which somites transform back into the spread form after differentiation?
Which somites transform back into the spread form after differentiation?
What is the correct order of events in retinal development?
What is the correct order of events in retinal development?
Which of the following is the first muscle to develop in the eyeball?
Which of the following is the first muscle to develop in the eyeball?
What structure does the ear placode give rise to?
What structure does the ear placode give rise to?
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What does the first pharyngeal pouch develop into?
What does the first pharyngeal pouch develop into?
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Which of the following events occurs first in the development of the external acoustic meatus?
Which of the following events occurs first in the development of the external acoustic meatus?
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Which of the following are components of auricular structures?
Which of the following are components of auricular structures?
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What does the membrane pupillaris represent?
What does the membrane pupillaris represent?
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What is the amount of rotation for the intestinal loop in the clockwise direction?
What is the amount of rotation for the intestinal loop in the clockwise direction?
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Which factor is NOT involved in the development of the secondary palate?
Which factor is NOT involved in the development of the secondary palate?
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Which of the following components is NOT typically found in a pharyngeal/branchial arch?
Which of the following components is NOT typically found in a pharyngeal/branchial arch?
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Which two ear bones are formed from the first arch?
Which two ear bones are formed from the first arch?
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From which pharyngeal/branchial arch does the tensor tympani muscle derive?
From which pharyngeal/branchial arch does the tensor tympani muscle derive?
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Which pharyngeal/branchial arch is associated with the common carotid artery?
Which pharyngeal/branchial arch is associated with the common carotid artery?
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Which pharyngeal/branchial arch is associated with the facial nerve?
Which pharyngeal/branchial arch is associated with the facial nerve?
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What type of rotation occurs during herniation?
What type of rotation occurs during herniation?
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What develops from the dorsal primordium of the pancreas?
What develops from the dorsal primordium of the pancreas?
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Which stage of lung development comes immediately after the saccular stage?
Which stage of lung development comes immediately after the saccular stage?
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At what point during embryogenesis does the definitive oral cavity develop?
At what point during embryogenesis does the definitive oral cavity develop?
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Until which week of embryogenesis does the development of the reproductive system typically continue?
Until which week of embryogenesis does the development of the reproductive system typically continue?
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Which of the following structures contributes to the placental barrier?
Which of the following structures contributes to the placental barrier?
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Which branchial arch is the tongue primarily derived from?
Which branchial arch is the tongue primarily derived from?
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Which zone is primarily responsible for the development of white matter in the brain?
Which zone is primarily responsible for the development of white matter in the brain?
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Which type of nerve is considered exclusively motor?
Which type of nerve is considered exclusively motor?
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What is the primary source of the musculature of the tongue?
What is the primary source of the musculature of the tongue?
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When do the papillae of the tongue begin to appear?
When do the papillae of the tongue begin to appear?
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From which structures does the thyroid gland develop?
From which structures does the thyroid gland develop?
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Which statement about the development of the thymus is correct?
Which statement about the development of the thymus is correct?
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Which branchial arch is most closely associated with the glossopharyngeal nerve?
Which branchial arch is most closely associated with the glossopharyngeal nerve?
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What does hyperdontia refer to?
What does hyperdontia refer to?
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What is the most frequent malformation in the world?
What is the most frequent malformation in the world?
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During which week does the development of the larynx, trachea, and lungs begin?
During which week does the development of the larynx, trachea, and lungs begin?
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Which of the following is derived from the hindgut?
Which of the following is derived from the hindgut?
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What is gastroschisis?
What is gastroschisis?
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When does the myelination process start?
When does the myelination process start?
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Which structure does NOT contribute to the formation of the nasal cavity?
Which structure does NOT contribute to the formation of the nasal cavity?
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What develops from the endoderm during respiratory system development?
What develops from the endoderm during respiratory system development?
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What is the primary influence on regional specification of the respiratory tract?
What is the primary influence on regional specification of the respiratory tract?
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Which stage of development does the terminal alveolar sac and synthesis of surfactant occur?
Which stage of development does the terminal alveolar sac and synthesis of surfactant occur?
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What role does the dorsal muscle mass play in muscle transformation?
What role does the dorsal muscle mass play in muscle transformation?
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What are the appendix testis and utriculus prostaticus remnants of?
What are the appendix testis and utriculus prostaticus remnants of?
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When do nails cover the fingertips during embryogenesis?
When do nails cover the fingertips during embryogenesis?
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From which structure do follicular cells develop?
From which structure do follicular cells develop?
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What primarily happens during the mesenchymal stage of vertebral column development?
What primarily happens during the mesenchymal stage of vertebral column development?
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Where do secondary ossification centers for vertebrae primarily develop during the first postnatal year?
Where do secondary ossification centers for vertebrae primarily develop during the first postnatal year?
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Desmal ossification is associated with which of the following skull bone types?
Desmal ossification is associated with which of the following skull bone types?
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When do lower limb primordials appear during embryogenesis?
When do lower limb primordials appear during embryogenesis?
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At what stage does the spinal cord of the fetus reach the L1 vertebra?
At what stage does the spinal cord of the fetus reach the L1 vertebra?
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What is the primary mechanism by which the epithelial seam of the palate disappears?
What is the primary mechanism by which the epithelial seam of the palate disappears?
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Which event occurs last in the sequence of palatal development?
Which event occurs last in the sequence of palatal development?
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Gonocytes are primarily characterized as which type of cell?
Gonocytes are primarily characterized as which type of cell?
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What is a key factor in promoting intrauterine growth during development?
What is a key factor in promoting intrauterine growth during development?
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What indicates male infertility regarding the number of spermatozoa in 1 ml of sperm?
What indicates male infertility regarding the number of spermatozoa in 1 ml of sperm?
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From which sources do the dermis and subcutis develop in the trunk?
From which sources do the dermis and subcutis develop in the trunk?
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Which glands are among the first to develop from skin derivatives?
Which glands are among the first to develop from skin derivatives?
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