1 In a bowl, sift together the cocoa, baking soda, flour and salt. 2  Take a large mixing bowl and stir together the margarine and sugar, until you have a fluffy mixture. 3  Add the eggs one by one, mixing well in between. 4  Add the vanilla extract and continue mixing.  Take the flour mixture and add a little of it. Beat well.
(brÄn'stÄm') The part of the vertebrate brain located at the base of the brain and made up of the medulla oblongata, pons, and midbrain. The brainstem controls and regulates vital body functions, including respiration, heart rate, and blood pressure. See also reticular formation.
Practice Essentials. Brainstem gliomas are tumors that occur in the region of the brain between the aqueduct of Sylvius and the fourth ventricle. Brainstem gliomas account for approximately 10-20% of all childhood brain tumors. The incidence in adults is lower than that in children younger than 16 years.