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Dickson Despommier’s Parasitic Diseases lectures

3 May 2011 by Vincent Racaniello

dickson despommierProfessor Dickson Despommier, co-host of TWiV and TWiP, and well known for his ideas about vertical farming, taught parasitology to medical, dental, and nursing students at Columbia University’s College of Physicians & Surgeons for 38 years. Below are videocasts of the six lectures from the final version of his course, Parasitic Diseases, which he taught in the fall of 2009. These are excellent companions to the first 27 episodes of TWiP, which explore the basics of eukaryotic parasites including protozoa, nematodes, cestodes, and trematodes.

Parasitic Diseases Fall 2009 – videocasts
To download the files, right-click on the link and save-as.

Lecture 1: Nematodes I – Enterobius, Trichuris, Ascaris, Toxocara (19 MB .mov)
Lecture 2: Nematodes II – Hookworm, Strongyloides (18 MB .mov)
Lecture 3: Cestodes – Taenia, Echinococcus (Joshua Stillman, MD) (19 MB .mov)
Lecture 4: Trematodes – Schistosoma (17 MB .mov)
Lecture 5: The Malarias (19 MB .mov)
Lecture 6: Protozoa – Giardia, Entamoeba, Cryptosporidium, Cyclospora (16 MB .mov)

Filed Under: Information Tagged With: cestode, dickson despommier, malaria, nematode, parasite, parasitism, protozoa, trematode

TWiP 25: Wuchereria bancrofti

27 April 2011 by Vincent Racaniello

wuchereria microfilariaHosts: Vincent Racaniello and Dickson Despommier

On episode #25 of the podcast This Week in Parasitism, Vincent and Dickson review Wuchereria bancrofti, the nematode that causes lymphatic filariasis, also known as elephantiasis.

[powerpress url=”http://traffic.libsyn.com/twip/TWiP025.mp3″]

Click the arrow above to play, or right-click to download TWiP #25 (32 MB .mp3, 67 minutes).

Links for this episode:

  • Adults of Wuchereria bancrofti in lymphatic vessels (jpg)
  • Microfilaria of W. bancrofti (jpg)
  • Calcified adults of W. bancrofti in blocked lymphatic vessel (jpg)
  • Patient with long-term W. bancrofti infection (jpg)
  • W. bancrofti life cycle (jpg)
  • Letters read on TWiP 25

Contact

Send your questions and comments (email or mp3 file) to twip@microbe.tv.

Subscribe (free)

Click here to receive an email notification when a new episode of TWiP is published.

Filed Under: This Week in Parasitism Tagged With: elephantiasis, filaria, lymphatic filariasis, nematode, parasite, parasitism, podcast, tip, Wuchereria bancrofti

TWiP 24: Onchocerca volvulus, a vector-borne, filarial nematode

2 April 2011 by Vincent Racaniello

onchocerca microfilariaHosts: Vincent Racaniello and Dickson Despommier

On episode #24 of the podcast This Week in Parasitism, Vincent and Dickson discuss the life cycle and pathogenesis of Onchocerca volvulus, the vector-borne filarial nematode parasite that causes onchocerciasis, or river blindness.

[powerpress url=”http://traffic.libsyn.com/twip/TWiP024.mp3″]

Click the arrow above to play, or right-click to download TWiP #24 (59 MB .mp3, 82 minutes).

Links for this episode:

  • Cross-section of nodule induced by Onchocerca volvulus (jpg)
  • Section of skin with O. volvulus microfilariae (jpg)
  • O. volvulus microfilaria in skin (jpg)
  • Skin snip with O. volvulus microfilariae (jpg)
  • O. volvulus life cycle (jpg)
  • Betsy’s malaria life cycle in mosquito (jpg)
  • Letters read on TWiP 24

Contact

Send your questions and comments (email or mp3 file) to twip@microbe.tv.

Subscribe (free)

Click here to receive an email notification when a new episode of TWiP is published.

Filed Under: This Week in Parasitism Tagged With: filaria, ivermectin, nematode, onchocerca volvulus, parasite, parasitism, podcast, river blindness, twip

TWiP 23: Strongyloides stercoralis, a most unusual parasite

3 March 2011 by Vincent Racaniello

strongyloides stercoralis freelivingHosts: Vincent Racaniello and Dickson Despommier

On episode 23 of the podcast This Week in Parasitism, Vincent and Dickson review the life cycle and pathogenesis of the world’s most unusual parasite, Strongyloides stercoralis.

[powerpress url=”http://traffic.libsyn.com/twip/TWiP023.mp3″]

Click the arrow above to play, or right-click to download TWiP #23 (74 MB .mp3, 103 minutes)

TWiP is brought to you by the American Society for Microbiology at Microbeworld.org.

Links for this episode:

  • Free-living Strongyloides stercoralis adult (jpg)
  • Small intestine with numerous sections of female S. stercoralis (jpg)
  • Rhabditiform larva of S. sterocoralis (jpg)
  • Filariform larva of S. stercoralis in skin (jpg)
  • S. stercoralis buccal cavity (jpg)
  • S. stercoralis life cycle (jpg)
  • Letters read on TWiP 23

Subscribe to TWiP (free) in iTunes, at the Zune Marketplace, by the RSS feed or by email

Send your questions and comments to twip@microbe.tv

Filed Under: This Week in Parasitism Tagged With: filaria, nematode, parasite, parasitism, strongyloides stercoralis

TWiP 22: Hookworm

9 February 2011 by Vincent Racaniello

hookworm

Photo Credit: David Scharf

Hosts: Vincent Racaniello and Dickson Despommier

On episode 22 of the podcast This Week in Parasitism, Vincent and Dickson discuss possibly the most socially and politically important nematode of humans, the hookworm Ancylostoma duodenale and Necator americanus.

Click the arrow above to play, or right-click to download

TWiP is brought to you by the American Society for Microbiology at Microbeworld.org.

Links for this episode:

  • Diagrams of adult hookworm (jpg)
  • Ancylostoma duodenale adults (jpg)
  • Hookworm mouth (jpg)
  • Hookworm eggs (jpg)
  • Hookworm life cycle (jpg)
  • Letters read on TWiP 22

Download TWiP #22 (70 MB .mp3, 97 minutes)

Subscribe to TWiP (free) in iTunes, at the Zune Marketplace, by the RSS feed or by email

Send your questions and comments to twip@microbe.tv

Filed Under: This Week in Parasitism Tagged With: ancylostoma duodenale, hookworm, necator americanus, parasite, parasitism

TWiP 21: The giant intestinal worm, Ascaris lumbricoides

19 January 2011 by Vincent Racaniello

ascaris adultsHosts: Vincent Racaniello and Dickson Despommier

On episode 21 of the podcast This Week in Parasitism, Vincent and Dickson review the biology and pathogenesis of Ascaris lumbricoides, one of the largest nematodes to infect humans.

[powerpress url=”http://traffic.libsyn.com/twip/TWiP021.mp3″]

Click the arrow above to play, or right-click to download

TWiP is brought to you by the American Society for Microbiology at Microbeworld.org.

Links for this episode:

  • Ascaris lumbricoides adult female (top) and male (jpg)
  • Ascaris lumbricoides life cycle (jpg)
  • Child with distended abdomen due to Ascaris (jpg)
  • Adult Ascaris removed from child in previous figure (jpg)
  • Toxocara canis and Toxocara cati life cycle (jpg)
  • Letters read on TWiP 21

Download TWiP #21 (66 MB .mp3, 92 minutes)

Subscribe to TWiP (free) in iTunes, at the Zune Marketplace, by the RSS feed or by email

Send your questions and comments to twip@microbe.tv

Filed Under: This Week in Parasitism Tagged With: ascaris, nematode, parasite, parasitism, podcast, roundworm, twip

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