For the writer (seller) of a call option, it represents an obligation to sell the underlying security at the strike price if the option is exercised. The call option writer is paid a premium for taking on the risk associated with the obligation.
Definition of gonad. : a reproductive gland (as an ovary or testis) that produces gametes.
The blood is collected from the walls of the gill-sacs by a series of efferent vessels which open into the dorsal aorta. They all have to use the efferent, especially the motor, nerves of the body. The gonads, as in other Arthropoda, are hollow saccular organs, the cavity communicating with the efferent ducts. There's apparently a small blood clot in the brain, Mr. President, interfering with the functioning of the efferent nerves.