Define keratin

What will be an ideal response?


Specialized protein deposited in cells giving a typical hardness and durability.

Anatomy & Physiology

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Why does the risk of cancer increase in AIDS patients?

A) Suppressor T cell activity resets the normal immune response. B) Immune surveillance is depressed. C) Cell-mediated immunity is enhanced. D) There is an increase in the circulating antibody levels. E) The virus enters human leukocytes by receptor-mediated endocytosis.

Anatomy & Physiology

What is found in the posterior root ganglion of a spinal nerve?

A. A cluster of sensory neuron cell bodies B. A mass of axons of interneurons C. A mass of axons of motor neurons D. A cluster of cell bodies of interneurons E. A cluster of motor neuron cell bodies

Anatomy & Physiology

Hassall's corpuscles are always found in the lighter-colored ________ regions of the thymus.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

The glial cell that provides structural support and organization to the CNS is the

A.  astrocyte. B.  ependymal cell. C.  neurolemmocyte. D.  microglial cell. E.  oligodendrocyte.

Anatomy & Physiology