Classically, destruction of the major portion of the cerebellar hemispheres in humans is associated with pendular deep-tendon reflexes. The reflexes are poorly checked so that when testing the patellar reflex, for example, the leg may swing to-and-fro (like a pendulum).
Medical Definition of splanchnopleure. : a layer of tissue that consists of the inner of the two layers into which the unsegmented sheet of mesoderm splits in the embryo of a craniate vertebrate together with the endoderm internal to it and that forms most of the walls and substance of the visceral organsâcompare somatopleure.
Phytoplankton are photosynthesizing microscopic organisms that inhabit the upper sunlit layer of almost all oceans and bodies of fresh water. They are agents for  primary production , the creation of organic compounds from carbon dioxide dissolved in the water, a process that sustains the aquatic food web.