taenia_saginata_adultHosts: Vincent Racaniello and Dickson Despommier

Vincent and Dick talk about the anatomy and life cycle of beef and pork tapeworms, and why House was wrong about neurocysticercosis.

Download TWiP #6 (73 MB .mp3, 101 minutes)

Links for this episode:

  • Taenia saginata life cycle (jpg)
  • Taenia saginata adult (jpg)
  • Taenia saginata scolex (jpg)
  • Taenia saginata gravid proglottid (jpg)
  • Taenia solium life cycle (jpg)
  • Taenia solium adult (jpg)
  • Taenia solium scolex (jpg)
  • Facial cancer in Tasmanian devils (thanks PhogDog!)

Science Picks

Dickson Peace through vaccine diplomacy by Peter Hotez
Vincent Parasite Rex by Carl Zimmer

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ncparacomp1Hosts: Vincent Racaniello and Dickson Despommier

Vincent and Dick discuss the nurse cell, a unique structure formed in the host muscle by Trichinella species.

Download TWiP #5 (57 MB .mp3, 79 minutes)

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Dickson Every Living Thing by Rob Dunn

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lifecycleHosts: Vincent Racaniello and Dickson Despommier

Vincent and Dickson trace the life cycle of Trichinella spiralis in an infected host.

Download TWiP #4 (59 MB .mp3, 82 minutes)

Links for this episode:

  • Trichinella life cycle (jpg)
  • Newborn larva entering muscle cell (jpg)
  • Adult T. spiralis in columnar epithelial cell (jpg)
  • Adult female T. spiralis (jpg)
  • Infective first stage T. spiralis larva in Nurse cell in muscle tissue (jpg)
  • Adult female T. spiralis with fully formed larvae in uterus (jpg)
  • Adult male T. spiralis with claspers on tail (jpg)
  • Clinical correlations in trichinosis (jpg)
  • Letters read on TWiP #4

Weekly Science Picks

Dickson David Scharf’s pictures of microbial life
Vincent
The Nobel Laureate Meetings at Lindau

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trichinella spiralisHosts: Vincent Racaniello and Dickson Despommier

Vincent and Dick distinguish among intracellular and extracellular parasites, then discuss the history and general characteristics of Trichinella spiralis.

Download TWiP #3 (46 MB .mp3, 63 minutes)

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Dickson The Doctor and the Devils

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Purchase Parasitic DiseasesHosts: Vincent Racaniello and Dickson Despommier

Vincent and Dickson provide an overview of parasites and parasitism.

Download TWiP #1 (41 MB .mp3, 57 minutes)

Weekly Science Picks

Dick The Black Cloud by Fred Hoyle
Vincent Parasitic Diseases by Despommier et al.

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