One issue is to which President or Congress a particular year's deficit should be attributed. U.S. Congressional terms start on Jan. 1, Presidential terms later in January, and the fiscal year on Oct. 1, so none of them exactly match up.
These nephridia, which are called protonephridia, are branched tubules of ectodermal origin. They are closed at the internal ends by terminal cells, or solenocytes, and open to the exterior by means of excretory pores, or nephridiopores.
Clostridium. a genus of anaerobic spore-forming bacteria of the family Bacillaceae. Most are gram-positive rods. Clostridium bifermentans, Clostridium sordelli. see malignant edema. Clostridium botulinum. causes botulism from neurotoxin produced during vegetative growth.