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What medical condition results from the failure of the cranial neuropore to fuse?
Anencephaly
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What is the total number of definitive somite pairs typically formed in an embryo?
42-44 pairs
12-15 pairs
20-30 pairs
36-38 pairs
What is the total number of definitive somite pairs typically formed in an embryo?
42-44 pairs
12-15 pairs
20-30 pairs
36-38 pairs
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What are the three main components that a somite splits into during development?
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Which structure gives rise to the axial skeleton, specifically the ribs and vertebrae?
Sclerotome
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What are the primary derivatives of the myotome?
Skeletal muscles, specifically: - Epaxial (Epimere): Erector spinae, multifidus - Hypoaxial (Hypomere): Limb, intercostal, and abdominal muscles
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What is the function of the intermediate mesoderm?
It forms the urogenital sinus
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The intraembryonic coelom develops into which cavities?
Urogenital and pelvic cavities
Thoracic and abdominal cavities only
Pleural, pericardial, and peritoneal cavities
Cranial and spinal cavities
The intraembryonic coelom develops into which cavities?
Urogenital and pelvic cavities
Thoracic and abdominal cavities only
Pleural, pericardial, and peritoneal cavities
Cranial and spinal cavities
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What tissues are derived from the somatopleuric lateral plate mesoderm?
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What tissues are derived from the splanchnopleuric lateral plate mesoderm?
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What is the embryological origin of the sphincter and dilator pupillae muscles?
Surface ectoderm
Neuroectoderm
Neural crest cells
Splanchnopleuric LPM
What is the embryological origin of the sphincter and dilator pupillae muscles?
Surface ectoderm
Neuroectoderm
Neural crest cells
Splanchnopleuric LPM
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From which embryonic source do the smooth muscles of the sweat and mammary glands originate?
Splanchnopleuric LPM
Surface ectoderm
Neuroectoderm
Neural crest cells
From which embryonic source do the smooth muscles of the sweat and mammary glands originate?
Splanchnopleuric LPM
Surface ectoderm
Neuroectoderm
Neural crest cells
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What is the Septum Transversum?
It is an undivided lateral plate mesoderm at the cranial end of the embryo and serves as the most cranial structure before embryonic folding.
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What structures are derived from the Septum Transversum?
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What is the origin of the smooth muscles found in the outflow vessels of the heart, such as the ascending aorta?
Splanchnopleuric LPM
Neural crest cells
Surface ectoderm
Neuroectoderm
What is the origin of the smooth muscles found in the outflow vessels of the heart, such as the ascending aorta?
Splanchnopleuric LPM
Neural crest cells
Surface ectoderm
Neuroectoderm
Browse your cards here, or sign up to study with spaced repetition.
What medical condition results from the failure of the cranial neuropore to fuse?
Anencephaly
What is the total number of definitive somite pairs typically formed in an embryo?
42-44 pairs
12-15 pairs
20-30 pairs
36-38 pairs
What are the three main components that a somite splits into during development?
Which structure gives rise to the axial skeleton, specifically the ribs and vertebrae?
Sclerotome
What are the primary derivatives of the myotome?
Skeletal muscles, specifically: - Epaxial (Epimere): Erector spinae, multifidus - Hypoaxial (Hypomere): Limb, intercostal, and abdominal muscles
What is the function of the intermediate mesoderm?
It forms the urogenital sinus
The intraembryonic coelom develops into which cavities?
Urogenital and pelvic cavities
Thoracic and abdominal cavities only
Pleural, pericardial, and peritoneal cavities
Cranial and spinal cavities
What tissues are derived from the somatopleuric lateral plate mesoderm?
What tissues are derived from the splanchnopleuric lateral plate mesoderm?
What is the embryological origin of the sphincter and dilator pupillae muscles?
Surface ectoderm
Neuroectoderm
Neural crest cells
Splanchnopleuric LPM
From which embryonic source do the smooth muscles of the sweat and mammary glands originate?
Splanchnopleuric LPM
Surface ectoderm
Neuroectoderm
Neural crest cells
What is the Septum Transversum?
It is an undivided lateral plate mesoderm at the cranial end of the embryo and serves as the most cranial structure before embryonic folding.
What structures are derived from the Septum Transversum?
What is the origin of the smooth muscles found in the outflow vessels of the heart, such as the ascending aorta?
Splanchnopleuric LPM
Neural crest cells
Surface ectoderm
Neuroectoderm
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