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.
Unless the infestation is heavy, it's more common to see nits in a child's hair than it is to see live lice crawling on the scalp. Lice eggs hatch within 1 to 2 weeks after they're laid. Adult lice and nymphs (baby lice).The adult louse is no bigger than a sesame seed and is grayish-white or tan. Nymphs are smaller and become adult lice about 1 to 2 weeks after they hatch.Most lice feed on blood several times a day, but they can survive up to 2 days off the scalp. Source(s): http://wiki.answers.com/Q/When_do_head_l...nless the infestation is heavy, it's more common to see nits in a child's hair than it is to see live lice crawling on the scalp. Lice eggs hatch within 1 to 2 weeks after they're laid. Adult lice and nymphs (baby lice).