Founded in 1993, Sightline Institute is committed to making the Northwest a global model of sustainability, with strong communities, a green economy, and a healthy environment. We work to promote smart policy ideas and monitor the region's progress towards sustainability. Accomplishments.
Legal Definition Gravamen (from Lat. gravare, to weigh down; gravis, heavy), (plural graÂ·vaÂ·mens or graÂ·vamÂ·iÂ·na), a complaint or grievance, the ground of a legal action, and particularly the more serious part of a charge against an accused person. In legal terms, the essential element of a lawsuit. In English the term is used chiefly in legal submissions and judicial opinions. The word is commonly misspelled gravaman. Apart from the normal usage of the word, the gravamen test is used in contract law to distinguish between the sale of goods and services in hybrid transactions.
By Dr Ananya Mandal, MD. Sperm is the male reproductive cell in vertebrates. The term is derived from the Greek word sperma meaning seed. Sperm were first observed under a microscope in 1677 by Antonie van Leeuwenhoek who described them as little animals or animalcules.here is little cytoplasm in sperm and the head is densely packed with DNA. Sperm is released from the male in a fluid called semen. Semen is alkaline and does not allow the sperm to be completely motile until they reach the female reproductive tract or the vagina which is acidic in pH.