The large number of myelinated and unmyelinated axons in the white matter of the spinal cord are organized into tracts and ________.

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


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Anatomy & Physiology

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The hormone aldosterone promotes the

A. reabsorption of potassium ions. B. reabsorption of sodium ions. C. secretion of calcium ions. D. secretion of sodium ions.

Anatomy & Physiology

Retrograde axonal transport may be responsible for movement of herpes virus, rabies virus, and tetanus toxin from nerve terminals to the cell body.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

The lateral superficial vein of the arm and forearm is the ___ vein.

a) median cubital b) radial c) basilic d) cephalic

Anatomy & Physiology

The iron of the heme unit of hemoglobin is transported in the blood by the protein ________ after the aged erythrocytes are phagocytized.

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

Anatomy & Physiology