Understanding Word Relationships: Hematology and Blood Analogy

The question asks us to find a pair of words that shares a similar relationship to the original pair, "Hematology : Blood". Let's first understand the relationship between Hematology and Blood.

Hematology is the branch of medicine and biology concerned with the study of blood, the blood-forming organs, and blood diseases. So, the relationship is "Field of Study : Subject of Study".

Analyzing the Options

Now, let's examine each option to see which one represents a similar "Field of Study : Subject of Study" relationship.

• Option 1: Osteology : Ears

  Osteology is the scientific study of bones. The ears are organs involved in hearing and balance, containing bones (ossicles) but also cartilage and other tissues. Osteology is the study of bones in general, not specifically ears. Therefore, this pair does not fit the "study of" relationship in the same way.

• Option 2: Immunology : Immune system

  Immunology is the branch of medical and biological science concerned with immunity. It is the study of the immune system, including its structure, function, dysfunctions, and disorders. This relationship perfectly matches the pattern of "Field of Study : Subject of Study" seen in Hematology : Blood.

• Option 3: Neurology : Eye

  Neurology is the branch of medicine that deals with disorders of the nervous system. While the eye is connected to the nervous system via the optic nerve, Neurology focuses on the brain, spinal cord, and nerves themselves. The study of the eye specifically is called Ophthalmology. This pair does not represent Neurology being the study of the Eye in the primary sense.

• Option 4: Cytology : Tissues

  Cytology is the branch of biology that studies cells. A tissue is a group of similar cells that perform a specific function. The study of tissues is called Histology. Therefore, Cytology is the study of cells, not tissues. This pair does not fit the "study of" relationship in the same way.

Conclusion

Comparing the relationships, only "Immunology : Immune system" follows the same pattern as "Hematology : Blood," where the first word is the field of study and the second word is the primary subject of that study.