A Source for Stem Cells to Be Found in Humans

question 32

Multiple Choice

A source for stem cells to be found in humans is in

• A) adults, in several specialized tissues.
• B) All of the answer choices are correct.
• C) skin cells.
• D) embryos, after division of the original zygote.
• E) the bone marrow.

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Definitions:

Peripheral Portions

The outer regions or edges of an area or structure, often contrasted with the central or core areas.

Cones

Photoreceptor cells in the retina of the eye responsible for color vision and visual acuity under bright light conditions.

Suspensory Ligaments

Fibrous tissues that support an organ or structure, such as the lens of the eye, keeping it in place.

Ciliary Body

A part of the eye that includes the ciliary muscle, which controls the shape of the lens for focusing, and the ciliary processes that produce aqueous humor.