BIOL 1011 Lecture : Lecture 23 Specific Defenses Of The Host
Document Summary
Respiratory systems: b. dermotropic viral diseases [ skin , c. viscerotropic viral diseases, d. neurotropic viral diseases. Spread by contact: entering through abrasions in the skin. Treatment burning - acids, liquid nitrogen, desiccation, lasers. Human papalloma virus (hpv: family of papallomaviruses . One group is the same that causes warts on skin: causes a benign infection. Another group is "high risk" type of genital. Hpv: it is the primary cause of 95% of all cervical cancers. Human papalloma virus (hpv: incubation period: between one month and a year, symptoms: Can grow so big block urethra, vagina, anus or throat. Can be so small can"t see them. Most women have no idea they have hpv until a doctor diagnoses it during a routine exam: estimate 25% of people in this country carry the virus. Virus caries three oncogenes, which together and separately cause infected cells to grow rapidly, creating the warts.
