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Table 1 Details of animal studies

From: Evidence of connections between cerebrospinal fluid and nasal lymphatic vessels in humans, non-human primates and other mammalian species

Species Number of animals used Number of successful preparations Hours after death Injected Microfil volume (ml)
mice 21 7 0–1 1–1.5
rats 6 4 0–1 2.5–3
rabbits 2 2 0–1 10
sheep 29 26 0–1 20–25
pigs 5 2* 2–72 20–25
monkeys 6 5 0–1 20
humans 3 1** 5–7 60–180
  1. * Successful filling was achieved 2 and 5 hours after death
  2. ** In the one successful human preparation, 180 ml of Microfil was infused