Match Each Description with the Item Below

question 78

Multiple Choice

Match each description with the item below.
-Samuel Slater

• A)invented the telegraph
• B)invented the sewing machine
• C)with Boston Associates, formed the Boston Manufacturing Company
• D)earned a medical degree, a first of its kind
• E)was a piano maker and immigrant
• F)helped found schools to train teachers and promoted the idea of free public education
• G)was the first clipper ship
• H)improved the steel plow, thereby making it possible to farm the Great Plains
• I)was the first commercial steamboat, built by Robert R. Livingston and Robert Fulton
• J)was a Jewish tailor who made work pants during the gold rush and would become the origin story of a major brand
• K)was a famous composer whose song "Oh! Susanna" emerged as a national favorite
• L)used his memory to bring industrial technology from Britain to the United States

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Definitions:

Schwann Cells

A type of glial cell in the peripheral nervous system that encircles nerve fibers, providing insulation (myelination) and enhancing signal transmission.

Oligodendroglia

Glial cells in the central nervous system that produce myelin, a substance that insulates axons to increase the speed at which neural impulses propagate.

Myelin

The fatty substance that surrounds the axon of some nerve cells, forming an insulating layer that speeds up signal transmission.

Oligodendroglial Cells

Oligodendroglial cells are a type of glial cell in the central nervous system responsible for producing and maintaining the myelin sheath, which insulates nerve fiber to enhance signal transmission.