BIOL 1550 Lecture Notes - Lecture 11: Aids, Viral Meningitis, Sexually Transmitted Infection
Document Summary
Week 11- common diseases by route of exposure. Notes submitted by gabrielle uy, michelle downing, kaleigh mccarthy, kelsey drake. Symptoms: may cause infertility; fetal and neonatal death; premature births, miscarriages, low birth weight. Symptoms: soft chancres on genitals or genital area. Symptoms: irregular, painless ulcers on or near genitals. Sti (sexually transmitted diseases) caused by viruses. Antiviral drugs help to manage the disease, but they are incurable. 2 types that is responsible for causing aids = hiv-1 and hiv-2. Destroys the immune system: body is open to infections; can lead to death. Virus targets: helper t cells, macrophages, dendritic cells, and langerhans cells. They battle the virus in early stages of infection, however over time the body"s ability to replace them will diminish, and will be unable to keep up with the mutating virus. Without helper tcells and macrophages, b cells cannot form plasma cells = responsible for making antibodies to fight infection.
