The word histology is related with

Option A: Hepatology
Hepatology is the branch of medicine that deals with the study of the liver, its functions, diseases, and disorders. It is not related to histology.

Option B: Hematology
Hematology is the branch of medicine and biology that focuses on the study of blood, blood-forming tissues, and blood-related disorders. It is not related to histology.

Option C: Histology
Histology is the correct answer. It is the study of tissues, involving the microscopic examination of biological tissues to understand their structure, organization, and function.

Option D: None of these
This option suggests that none of the provided options are correct. However, the correct answer is Option C: Histology.

So, the correct answer is Option C: Histology, as it directly pertains to the field of histology, which is the study of tissues. Options A and B are not related to histology, and Option D signifies that none of the given options are correct.