Friday, September 21, 2007

Lecture 10, 9/21 - Systemic diseases, classification

NOTE: Test Monday LHA 7:30. Study Handouts and Notes

Audio for today's lecture is available here.
  • Zoonoses – diseases of animals transmitted to humans
    • Ex. Anthrax, rabies, avian flu
  • Trichophyton rubrum (red mold)– ringworm of the foot, athletes foot. Get it from shower floors.
  • Sporothrix schenkii – causes rose gardner’s disease. Soil organism. Get it by being pricked by a thorn. Looks like a red train track from original puncture towards the center of your body.
  • Systemic diseases
    • Coccidiodes immitis – causes valley fever. Breath it in and it spreads. Primarily in southwest US (California, Arizona).
    • Treated with Amphotericin B.
    • Histoplasma capsulatum – causes histoplasmosis. Grows well in soil in which bird feces are present.
      • Found right down the middle of the United States. Sometimes called Mississippi valley fever
      • Breath it in through the lung and then it spreads.
      • Also treated with Amphotericin B.
    • Aspergillus fumigatus – Fungal ball disease.
      • AIDS patients will breath this in and get a fungal ball in their lungs that shows up on x-rays.
    • Pneumocystis jiroveci – causes Pneumocystis Pneumonea – PCP.
  • Amphotericin B (p 466) – used to treat systemic fungal infections
  • Ringworm called derma(skin)tophytes(fungus) – goes after skin, hair and even nails – p498
  • Coccidiodomycosis – valley fever – p 547
  • Dimorphic (two forms) – ex. Histo and cocci. Grow some in blood agar it will become yeast. Grow the same stuff in sab-dex you will get a white mold.
  • Mycotoxins
    • Aflotoxin – caused by aspergillus flavus. Cause by rotting grains. We can come in contact with it by rotting peanut butter.
      • It is a primary carcinogen – causes cancer
  • PROTOZOANS – much of this information is directly from the handout he gave us today (Sep-21). I wrote down the things that stuck out to me.
    • PAM - Primary amoebic meningio insephilitis
    • Cryptosporidium – causes diarrhea in cows, causes cryptosporidiosis in AIDS patients. Sometimes called slims disease
End test 1
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Begin test 2

  • CLASSIFICATION – much of this information is also directly from the handout (sep 21)
  • o Genus always capitalized species lower case.

4 comments:

Anonymous said...

Hey...Does anyone know if the Protazoa paper he talked about on Monday is the same as the paper from lab? Do we have 2 papers due then? I'm confused!!! :) If someone knows let me know!

Dan King said...

As far as I know we have two papers due. The one that he talked about on Monday is due in about a month and the one he talked about in lab is due next week.

Anonymous said...

thanks Dan!

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