Trypticase soy agar

false

Blood Agar, and trypticase soy agar grows semi fastidious

Well, the majority of the bacteria in the Cornyebacterium family grows best on Brain Hear infusion agar, however it can grow on trypricase soy agar. We hope so, or else our experiment fails xD

It's complex because the constituent elements of the medium (enzymatic digests of casein and soybean) are present in an undefined amount, and an amount which will vary from batch to batch. Contrast this to a chemically defined medium which will always contain the exact amount of constituent.