She died of sepsis from a ruptured intestine. ( 1 CNN)Actress Patty Duke died Tuesday as a result of sepsis from a ruptured intestine, according to Mitchell K. Stubbs & Associates, the agency that represented her. She was 69.
How Your Brain Works. The basic lower brain consists of the spinal cord, brain stem and diencephalon (the cerebellum and cortex are also present, but will be discussed in later sections). In turn, the brain stem comprises the medulla, pons, midbrain, hypothalamus and thalamus [source: Health Pages].
This article is about the descending tracts of the central nervous system. The descending tracts are the pathways by which motor signals are sent from the brain to lower motor neurones. The lower motor neurones then directly innervate muscles to produce movement.