Ground substance is the background material within which all other connective tissue elements are embedded. In ordinary connective tissue, the ground substance consists mainly of water whose major role is to provide a route for communication and transport (by diffusion) between tissues.
Definitions for tiredness. Here are all the possible meanings and translations of the word tiredness. Princeton's WordNet(0.00 / 0 votes)Rate this definition: fatigue, weariness, tiredness(noun) temporary loss of strength and energy resulting from hard physical or mental work. he was hospitalized for extreme fatigue; growing fatigue was apparent from the decline in the execution of their athletic skills; weariness overcame her after twelve hours and she fell asleep.
Well, there can be many reasons for feeling tired. In fact, tiredness can be so debilitating it can be called chronic and it is generally due to a combination of factors. First, fatigue is a feeling of tiredness, weariness, exhaustion, or the lack of energy tiredness.s for vitamins for the lack of energy tiredness, the first place to start is to take a high quality multivitamin and mineral supplement along with eating a daily healthy and well balanced diet. Of course, regular exercise is also needed.