Rhinelander public schools spend $12,836 per student. The average school expenditure in the U.S. is $12,383. There are about 14.9 students per teacher in Rhinelander.
Ductus Deferens. The ductus deferens, also known as the vas deferens, is a tiny muscular tube in the male reproductive system that carries sperm from the epididymis to the ejaculatory duct.he ductus deferens serves dual functions in the male reproductive system: 1  Transporting sperm from the testes to the ejaculatory duct and urethra. 2  Storing sperm until it is ready to be ejaculated.
Medical Definition of DUCTUS VENOSUS. : a vein passing through the liver and connecting the left umbilical vein with the inferior vena cava of the fetus, losing its circulatory function after birth, and persisting as the ligamentum venosum of the liver.