Women ages 30 through 65 can then be screened every 5 years with Pap and HPV cotesting or every 3 years with a Pap test alone. The guidelines also note that women with certain risk factors may need to have more frequent screening or to continue screening beyond age 65.
Petioles support leaf growth. Also called the leaf stalk, the petiole is actually an extension of the leaf in certain plants. It is the structure that connects the leaf to the stem or trunk of most vascular plants.
Definition of stem for Students. 1 : the main stalk of a plant that develops buds and shoots and usually grows above ground. 2 : a thin plant part (as a leafstalk) that supports another part a cherry's stem. 3 : the bow of a ship.