Disease
English Language: KS3, topic 4.3.2
Osis - Disease
Words ending in 'osis' generally refer to states or conditions, particularly diseases or abnormal states.

Tuberculosis
- Tuberculosis is a bacterial infection spread through coughing and sneezing.
- Example: Tuberculosis is a bacterial infection that can be treated.

Diagnosis
- A diagnosis is a judgement or conclusion about what a disease is based on the symptoms.
- Example: The doctor very quickly diagnosed the patient with conjunctivitis.
- Alternative: The doctor very quickly determined that the patient had conjunctivitis.

Prognosis
- A prognosis is an opinion about the likely causes of a disease.
- A prognosis is also a statement about what's likely to happen in the future - a statement about the 'state' of something in the future.
- Example: Her prognosis was completely incorrect!
- Alternative: Her prediction was completely incorrect!

Hypnosis
- Hypnosis is a mental state that resembles being asleep. People can often be made to do things in this state.
- Example: While under hypnosis, Gregory discussed the car accident.
- Alternative: While in the sleeping state, Gregory discussed the car accident.
Itis - Inflammation
Words ending in 'itis' generally mean inflammation or infection of something.

Tonsillitis
- Tonsillitis is inflammation of the tonsils.

Bronchitis
- Bronchitis is an infection of the bronchial tubes.

Conjunctivitis
- Conjunctivitis is inflammation of the conjunctiva in the eye.

Hepatitis
- Hepatitis is inflammation of the liver.

Appendicitis
- Appendicitis is inflammation of the appendix.

Meningitis
- Meningitis is inflammation of the meninges (membranes that cover the brain and spinal cord).
Test yourself on Disease
Which of these does the suffix 'osis' particularly relate to?
What do words ending in 'itis' generally mean?