Types of Catheters. There are three main urologic catheter types to choose from. Intermittent catheters, hydrophilic catheters, and closed system catheters. Intermittent Straight catheters. Straight catheters are a straight tube of flexible plastic or rubber. One end has a rounded tip, and the other end typically has a funnel end.
Female sloths give birth to one baby a year after a gestation period of six months. The baby sticks with the mother for about six months, grasping its momâs belly as she moves through the trees. This is an important bonding period that helps the offspring learn and develop.
Lice survival guide for parents. Baby lice, known as nymphs, are not much bigger than the nits and tend to be light in color. Nine to 12 days later, they become adults and mate, the females lay their eggs, and the cycle continues. An adult louse can live up to 30 days on the human head.