Answer: topology

AnswerCrossword Clue
TOPOLOGYAnatomical configuration
topologyA family of open subsets of an abstract space such that the union and the intersection of any two of them are members of the family, and that includes the space itself and the empty set
topologyThe way in which constituent parts are interrelated or arranged
topologya branch of mathematics
topologyThe study of geometric properties and spatial relations unaffected by the continuous change of shape or size of figures