Question

41. Choose the odd one out wrt. ectodermal origin.
1.Astrocytes
2.Oligodendrocytes
3.microglial cells
4.Nerve cells​

Answer 1

Answer:

Ectoderm, the outermost of the three germ layers, or masses of cells, which appears early in the development of an animal embryo. In vertebrates, ectoderm subsequently gives rise to hair, skin, nails or hooves, and the lens of the eye; the epithelia (surface, or lining, tissues) of sense organs, the nasal cavity, the sinuses, the mouth (including tooth enamel), and the anal canal; and nervous tissue, including the pituitary body and chromaffin tissue (clumps of endocrine cells). In adult cnidarians and ctenophores, the body-covering tissue, or epidermis, is occasionally called ectoderm. See also endoderm; mesoderm.

Answer 2

The odd one out among the following are the Oligodendrocytes.  

Explanation:  

• These oligodendrocytes are a type of non-neural cells that is the neuroglia that provides support to the axons that are present in the central nervous system.  

• This support is provided by creating a cushion effect, by forming a myelin sheath for about 1 micro meter around the axons of the neural system. These cells were discovered by a scientist called Pío del Río Hortega.  

Learn more about Oligodendrocytes

Difference between neurons, astrocytes and oligodendrocytes

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