Construction of efficient substitutes of human blood vessels is strongly dependent on the use of viable and fully functional cultured endothelial cells (ECs).
Nowadays digital substitutes of human beings (digital humans), capable of interacting with digital mock-ups in Virtual Reality, are widely used in many fields of engineering (e.g. ergonomics, product design, maintenance, and training).
This study evaluated the physicochemical characteristics of the eight commercially available bone substitutes of human, bovine, and synthetic origins.
But there is no real substitute for human analysis of all that "take".
While algorithms can decide a lot of things, they cannot substitute for human intelligence, which can factor in the wisdom of experience, context, circumstance, psychology and a whole lot of other factors too, all at once.
While the BRC5 repeat itself is not conserved in chicken BRCA2, it is possible that analogous mechanisms exist, or that other BRC repeats of chicken BRCA2 substitute for human BRC5 in what regards the interaction with factors implicated in cell division.
We can do a lot of things technologically, but there is no substitute, no substitute, for human intelligence and that has been one of the failures of the agency, I think, especially since the demise of the Soviet Union.... Q.
One elderly visitor at the convention is so brittle her colleagues, upon greeting her, will not actually touch her, but give air kisses and pretend pats around her shoulders, offering an "airy substitute for human contact: the idea of an embrace".
Fantasy is a way of coping with problems and situations that evoke great impotence through an excessive use of daydreaming as a substitute for human relationships, more direct and effective action, or problem solving.
