Podcast
Questions and Answers
What is the embryonic stem cell line that gives rise to all connective tissues?
What is the embryonic stem cell line that gives rise to all connective tissues?
- Neural
- Mesenchyme (correct)
- Epithelial
- Endothelial
Where are clusters of mesenchymal cells found in adults?
Where are clusters of mesenchymal cells found in adults?
- Only in the umbilical cord
- Only in the dermis of the skin
- Exclusively in bone marrow
- Scattered throughout the body (correct)
What is the name of the embryonic connective tissue found in the umbilical cord?
What is the name of the embryonic connective tissue found in the umbilical cord?
- Mucous connective tissue (correct)
- Adipose tissue
- Blood
- Cartilage
Which of these is NOT a connective tissue derived from mesenchyme?
Which of these is NOT a connective tissue derived from mesenchyme?
Which statement about mesenchymal cells is TRUE?
Which statement about mesenchymal cells is TRUE?
Flashcards
Mesoderm
Mesoderm
The embryonic layer from which all connective tissues develop.
Mesenchyme
Mesenchyme
The first connective tissue that develops in the embryo, acting as a stem cell line.
Mucous connective tissue
Mucous connective tissue
A type of embryonic connective tissue found in the umbilical cord, known as Wharton's jelly.
Wharton's jelly
Wharton's jelly
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Scattered mesenchymal cells
Scattered mesenchymal cells
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Study Notes
Embryonic Connective Tissue
- All connective tissues originate from the mesodermal layer of the embryo.
- Mesenchyme is the initial connective tissue in the embryo, a stem cell line that develops into all other connective tissues.
- Clusters of mesenchymal cells are dispersed throughout adult tissue. They are crucial for tissue repair and replacement after injury.
- A second embryonic connective tissue is Wharton's Jelly, found in the umbilical cord.
- Wharton's Jelly is not present in the body after birth; only scattered mesenchymal cells remain.
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