Blood deficiency: var., 7 letters
Fatigue may be a symptom of it: Var., 7 letters
Haemoglobin deficiency, 7 letters
Lack of vigor, in med school, 7 letters
A deficiency of red blood cells, 7 letters
Bacterium that doesn't need oxygen, 8 letters
Bacterium that needs no oxygen, 8 letters
Biology lab organism, 8 letters
Fermentation facilitator, 8 letters
It doesn't need oxygen, 8 letters
Organism that doesn't require oxygen, 8 letters
Oxygen-shunning organism, 8 letters
Septic tank organism, e.g., 8 letters
Septic tank resident, 8 letters
Septic tank worker?, 8 letters
An organism (especially a bacterium) that does not require air or free oxygen to live, 8 letters
Many gastrointestinal tract residents, 9 letters
Microorganisms that don't need oxygen, 9 letters
Organisms that don't need oxygen, 9 letters
Causing an oxygen debt, as exercise, 9 letters
Lacking free oxygen, 9 letters
Like primordial life, 9 letters
Like the bacteria in a septic tank, 9 letters
Living in the absence of air, 9 letters
Living without oxygen, 9 letters
Type of adhesive not requiring the presence of air for its curing process, 9 letters
Literally without sensation, 11 letters
Loss of bodily sensation with or without loss of consciousness, 11 letters
A drug that causes temporary loss of bodily sensations, 11 letters
A specialist who administers an anesthetic to a patient before he is treated, 12 letters