Definition [edit]. Hypoxemia refers to low oxygen in the blood, and the more general term hypoxia is an abnormally low oxygen content in any tissue or organ, or the body as a whole.Hypoxemia can cause hypoxia (hypoxemic hypoxia), but hypoxia can also occur via other mechanisms, such as anemia.ypoxemia (or hypoxaemia in British English) is an abnormally low level of oxygen in the blood.
At first glance, the most obvious difference between bilateral and unilateral contracts is the number of people or parties promising an action. Bilateral contracts need at least two, while unilateral contracts only obligate action on one part. The other differences might be a bit more subtle.
DEFINITION of 'Unilateral Contract'. A legally enforceable promise-between legally competent parties-to do or refrain from doing a specified, legal act or acts. In a unilateral contract, one party pays the other party to perform a certain duty.If the duty is fulfilled, the party on the other side of the contract is obligated to transfer the specified funds.n a unilateral contract, one party pays the other party to perform a certain duty. If the duty is fulfilled, the party on the other side of the contract is obligated to transfer the specified funds.