Poison Ivy - Missouri Botanical Garden.
Poison - Poison - Types of poison: In regard to poisoning, chemicals can be divided into three broad groups: agricultural and industrial chemicals, drugs and health care products, and biological poisons—i.e., plant and animal sources. These three groups, along with a fourth category, radiation, are discussed below. The majority of agricultural chemicals are pesticides, which include.
Poison ivy grows vigorously throughout much of North America. It can grow as a shrub up to about 1.2 m (4 ft) tall, as a groundcover 10-25 cm (4-10 in) high, or as a climbing vine on various supports.
Overview Information Poison ivy is a plant. Most people remember poison ivy as a plant that can cause a serious, long-lasting rash, if touched.The leaves are used to make medicine. Homeopathic.
Poison Ivy (1992) Plot. Showing all 3 items Jump to: Summaries (2) Synopsis (1). They walk to Sylvie's house together, on the way Sylvie tells Ivy that Darryl is her adoptive father and that her biological father was black. She also says that she once tried to kill herself. Sylvie invites Ivy into her parent's mansion. They walk into the living room overlooking the San Fernando Valley. Ivy.
FreeBookSummary.com. Poison Ivy The poison ivy rash is caused by the plant poison ivy which contains an oily resin called urushiol, which is found on the stem, leaves and root of the plant. Poison ivy is very sticky and can stick to your skin, clothes and tools that come into contact with the plant. You can get the poison ivy rash from direct contact, touching something that is contaminated.
Poison Ivy is a supervillain and eco-terrorist with the ability to control plants, usually an antagonist to Batman.Originally, she was botanist Pamela Isley working underneath professor Jason Woodrue until an accident gave her powers and turned her insane.Protecting the sanctity and supremacy of nature at all costs, she sadistically lashes out against humanity as a blight upon the planet.
In the case of poison ivy rash, when the urushiol molecules (antigens) penetrate the epidermis and enter the dermis of the skin, they are picked by Langerhan cells (which is the antigen presenting cell in the skin). These Langerhan cells present the antigen to the T helper cells via MHC class II molecule which is present on its surface and produce IL-12 to sensitize and activate the T helper.