What does the medical terminology combining form histo- mean?

Answer 1

It means "tissue", as in a part of an organ. Histology is used to study biopsy samples or a large number of cells.
Hist- means tissue. An example is histology, which is the study of tissues on a microscopic scale.

Answer 2

The medical terminology combining form histo- pertains to issues related to tissue. It is commonly used in medical terms such as histology (the study of tissue structure) and histopathology (the study of changes in tissue due to disease).