(Greek: a suffix; inflammation, burning sensation; by extension, disease associated with inflammation)

This suffix has come to mean "inflammation of" but originally it meant "pertaining to" or "of the". The Greek word nosos ["disease"] was either expressed or understood, although it might not be included with the basic element. For example, bursitis nosos would mean "disease of the bursa".

gastroenteritis (noun)
1. Inflammation of the stomach and the intestines that can cause nausea and vomiting and/or diarrhea.

Gastroenteritis has numerous causes: including infectious organisms (viruses, bacteria, etc.), food poisoning, and stress.

2. Inflammation of the lining of the stomach and small and large intestines.

It is usually caused by infection with a microorganism but can also be caused by ingestion of certain chemical toxins or drugs.

Usually, people have diarrhea, nausea, vomiting, and abdominal pain.

glossitis (glah SIGHT is) (s) (noun), glossites (pl)
An inflammation or or burning of the tongue.
Inflammation of the glottic portion ( vocal cords and tongue) of the larynx.
Inflammation, or a burning sensation, of the iris of the eye.
1. Inflammation of the laminated tissue that attaches the hoof to the foot of a horse.
2. Inflammation of the laminae or fleshy plates along the coffin bone; especially, in the hoof of a horse.
Inflammation of the mucous membrane of the larynx.
lymphadenitis (s) (noun), lymphadenitides; lymphadenitises; lymphadenites (pl)
Inflammation of a lymph node or lymph nodes: Lymphadenitis is a swelling of the lymph nodes and is frequently an indication of an infection, sometimes its origin is not known and is benign.
Inflammation of lymph vessels.
Inflammation of one or more mammary glands witin the breast, usually in a lactating woman.

Mastitis can be felt as a hard, sore spot within the breast and it can be caused by an infection in the breast or by a plugged milk duct.

Treatment includes resting and applying warm compresses to the affected area, and for those who are lactating, it helps to nurse a baby and to express (squeeze out) milk frequently.

"Expressing milk" refers to using the fingers to rhythmically compress a breast so milk comes out, which is collected in a sterile container. It is an alternative to a manual or electric pump.

Mastitis is most common in women during breastfeeding in the second or third postpartum week; however, it may occur at any age.

The importance of personal hygiene and general care of the breasts is emphasized for breast-feeding mothers.

Mothers are encouraged to get adequate rest and drink copious fluids.

Inflammation of the mastoid antrum (air space in the mastoid portion (air cells of various sizes and shapes in the mastoid process of the temporal bone communicating with the middle ear and the mastoid cells); usually the result of an infection of the middle ear, with which the mastoid cells communicate.

Mastoiditis more often follows a sore throat and a respiratory infection, but it can also be caused by diseases such as diphtheria, measles, and scarlet fever. Symptoms include earache and a ringing in the ears.