serous membrane
A serous membrane lines internal body cavities and covers the organs within them, secreting fluid that reduces friction during movement.
Read definitionSearch the glossary
What would you like to understand?
Results for “urin”
492 matchesSIDS
A conclusion reached only by ruling everything else out, which is why the investigation is so thorough and so painful.
Read definitionsigmoidoscope
A sigmoidoscope is a lighted, tube shaped instrument used to view and sometimes sample tissue from the rectum and lower colon.
Read definitionsimulation
In radiation therapy, simulation is the planning session that uses imaging to map a patient's anatomy and precisely target the treatment area.
Read definitionskeleton
Beyond structural support, the skeleton stores minerals, produces blood cells within its marrow, and protects vital organs from injury.
Read definitionskin conduction
A change in the heat and electricity passed through the skin by nerves and sweat.
Read definitionsleep apnea
A sleep disorder that is marked by pauses in breathing of 10 seconds or more during sleep, and causes unrestful sleep.
Read definitionsleep stage
One of 5 parts or stages of the sleep cycle based on the type of brain activity that occurs during the stage.
Read definitionsmoldering myeloma
Myeloma already present in the marrow and visible in the blood, but not yet doing the organ damage that defines the disease needing treatment.
Read definitionSnET2
An anticancer drug that is also used in cancer prevention.
Read definitionsodium
Sodium is an essential electrolyte that regulates fluid balance, nerve signaling, and blood pressure, distinct from table salt itself.
Read definitionsomatic mutation
A DNA change acquired during life in one ordinary body cell, passed to its descendants but never to a child.
Read definitionsomatostatin receptor scintigraphy
A type of radionuclide scan used to find carcinoid and other types of tumors.
Read definitionSOP
Written so that the same task produces the same result whoever performs it, and so that anyone can later check that it did.
Read definitionspectroscopy
Reading what a substance is made of by seeing which wavelengths it absorbs, emits or bends, since every material has a signature.
Read definitionspinal anesthesia
A temporary loss of feeling in the abdomen and/or the lower part of the body.
Read definitionspinal block
A temporary loss of feeling in the abdomen and/or the lower part of the body.
Read definitionspinal tap
A spinal tap withdraws cerebrospinal fluid from the lower back using a thin needle, either to test the fluid or to deliver medication.
Read definitionsquamous cell
Squamous cells are flat, scale like cells that form the surface layer of skin and the lining of many internal passages.
Read definitionstage A prostate cancer
A prostate cancer stage defined by the Jewett staging system.
Read definition