› Forums › Forum › why is the blood brain barrier not present in the hypothlamus, pitutary gland, pineal gland and choroid plexus This topic has 4 replies, 1 voice, and was last updated 11 years ago by . Creator Topic July 21, 2010 at 8:16 pm #12707 AnonymousInactive Up0Down:: plz help Creator Topic You must be logged in to reply to this topic.