The crossword solution for the term 'Anatomy Adjective' is 'Neural', which is a six-letter word. Neural refers to the nervous system, which is a complex network of cells that transmits signals between different parts of the body. It is composed of neurons, which are specialized cells that transmit electrical and chemical signals. The adjective 'neural' is used to describe anything related to the nervous system, such as neural pathways, neural networks, and neural activity.