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.
The most conspicuous surface area is the plant's shoot, which is an integrated system of stems and leaves. Stems support leaves (the hat racks upon which plants hang their solar collecting leaves). Stems and their function. A stem is a collection of integrated tissues arranged as nodes and internodes. Nodes - regions where leaves attach to stems. Internodes - parts of the stem between successive nodes. A cross section of a dicot stem would reveal: a.