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| a nerve fiber bundle that emerges from of the spinal cord and joins with another bundle to form each spinal nerve in the series of spinal nerves |
| a semilunar valve between the pulmonary artery and the right ventricle of the heart that prevents the blood from flowing back into the right ventricle |
follicle fol·li·cle (fŏl'ĭ-kəl)
n.
A small bodily cavity or sac.
A crypt or minute cul-de-sac or lacuna, such as the depression in the skin from which the hair emerges.
An ovarian follicle.
A spherical mass of cells usually containing a cavity.
follicle (fŏl'ĭ-kəl) Pronunciation Key
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