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Embryonic Connective Tissue Overview

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Questions and Answers

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?

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?

Mucous connective tissue (correct)

Adipose tissue

Blood

Cartilage

Which of these is NOT a connective tissue derived from mesenchyme?

<p>Nervous tissue (A)</p> Signup and view all the answers

Which statement about mesenchymal cells is TRUE?

<p>They contribute to the repair and regeneration of connective tissues (D)</p> Signup and view all the answers

Flashcards

Mesoderm

The embryonic layer from which all connective tissues develop.

Mesenchyme

The first connective tissue that develops in the embryo, acting as a stem cell line.

Mucous connective tissue

A type of embryonic connective tissue found in the umbilical cord, known as Wharton's jelly.

Wharton's jelly

A gelatinous substance in the umbilical cord, a form of mucous connective tissue.

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Scattered mesenchymal cells

Cells that supply replacement and repair capabilities in adult connective tissue.

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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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Description

Explore the key concepts of embryonic connective tissue, including the origin of connective tissues from mesoderm and the role of mesenchyme. Learn about the significance of Wharton's Jelly in the umbilical cord and the persistence of mesenchymal cells in adult tissues. This quiz will deepen your understanding of the fundamentals of connective tissues.