serosa
serosa — noun
1. The thin layer of tissue that lines the inside of certain body cavities, such as
The thin layer of tissue that lines the inside of certain body cavities, such as the chest and abdomen, producing a watery fluid that helps organs slide against each other without friction.
The serosa keeps Obi's lungs from rubbing directly against the inner wall of his chest.
serosa prevents friction between organs and body wall
During abdominal surgery, Dr. Lakshmi carefully cut through the serosa to reach the stomach.
surgical context: cut through the serosa
Isabela's sharp chest pain was caused by swelling of the serosa around her left lung.
Without the watery fluid from the serosa, a person's organs would rub together painfully.
The students learned that the peritoneum is a type of serosa in the abdomen.
- serous membrane
The more common full name in textbooks and medical writing; 'serosa' is an abbreviation of this term.
- tunica serosa
The formal Latin anatomical term used in professional dissection guides and Nomina Anatomica.
- mucosa
The inner, mucus-producing lining of an organ, as opposed to the outer serous lining.
- adventitia
A fibrous connective-tissue layer that replaces the serosa in certain organs such as the esophagus.
用法筆記
This term is mainly used in medical and biology contexts. In everyday clinical language, medical professionals usually refer to the specific serous membrane by its own name — such as pleura (chest), peritoneum (abdomen), or pericardium (heart) — rather than using the general term serosa.