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Questions and Answers
Which of the following is a mesodermal derivative during the embryonic period?
Which of the following is a mesodermal derivative during the embryonic period?
- Notochord (correct)
- Neural tube
- Endoderm
- Ectoderm
What is the primary function of mesodermal derivatives during the embryonic period?
What is the primary function of mesodermal derivatives during the embryonic period?
- Creation of respiratory structures
- Formation of muscles and skeletal system (correct)
- Development of the nervous system
- Production of digestive organs
Which structure is derived from mesoderm and is crucial for blood cell formation during embryonic development?
Which structure is derived from mesoderm and is crucial for blood cell formation during embryonic development?
- Pancreas
- Liver
- Thyroid gland
- Hematopoietic stem cells (correct)
Which of the following is a mesodermal derivative that gives rise to the skeletal muscles and connective tissues of the body?
Which of the following is a mesodermal derivative that gives rise to the skeletal muscles and connective tissues of the body?
What is the mesodermal derivative that forms the urogenital system including the kidneys, gonads, and ducts?
What is the mesodermal derivative that forms the urogenital system including the kidneys, gonads, and ducts?
Which structure, derived from mesoderm, is responsible for the formation of the axial skeleton and associated connective tissues?
Which structure, derived from mesoderm, is responsible for the formation of the axial skeleton and associated connective tissues?
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Study Notes
Mesodermal Derivatives During Embryonic Period
- The kidneys, urinary bladder, ureters, and ducts are mesodermal derivatives during the embryonic period.
- The primary function of mesodermal derivatives during the embryonic period is to form the muscles, skeleton, circulatory system, and excretory system.
Blood Cell Formation
- The bone marrow, derived from mesoderm, is crucial for blood cell formation during embryonic development.
Skeletal Muscles and Connective Tissues
- The paraxial mesoderm is a mesodermal derivative that gives rise to the skeletal muscles and connective tissues of the body.
Urogenital System
- The intermediate mesoderm is the mesodermal derivative that forms the urogenital system, including the kidneys, gonads, and ducts.
Axial Skeleton and Associated Connective Tissues
- The sclerotome, derived from mesoderm, is responsible for the formation of the axial skeleton and associated connective tissues.
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