• Home
  • Knowledge
  • Glossary
a b c d e f g h i j k l m n o p q r s t u v w x y z #

Tumor Marker

Substances found in blood or other fluids that identify the presence of a tumor, and/or the tumor type.

Often measured in blood.

Turbinate

(Superior, middle, or inferior.) Bony prominences in the nasal passageway.

A bone in the nose that is situated along the side wall of the nose and is covered by mucous membrane.

Ultrasound

Visualization of structures in the body by recording the reflections of sound waves directed into tissues. May be used during surgery.

Also called ultrasound scanning or sonography, uses high-frequency sound waves to obtain images inside the body. Neurosonography (ultrasound of the brain and spinal column) analyzes blood flow in the brain and can diagnose stroke, brain tumors, hydrocephalus (build-up of cerebrospinal fluid in the brain), and vascular problems. It can also identify or rule out inflammatory processes causing pain. It is more effective than an x-ray in displaying soft tissue masses and can show tears in ligaments, muscles, tendons, and other soft tissue masses in the back. Transcranial Doppler ultrasound is used to view arteries and blood vessels in the neck and determine blood flow and risk of stroke.
During ultrasound, the patient lies on an imaging table and removes clothing around the area of the body to be scanned. A jelly-like lubricant is applied and a transducer, which both sends and receives high-frequency sound waves, is passed over the body. The sound wave echoes are recorded and displayed as a computer-generated real-time visual image of the structure or tissue being examined. Ultrasound is painless, noninvasive, and risk-free.

Undifferentiated

An immature, embryonic, or primitive cell. It has a nonspecific appearance with multiple nonspecific activities and functions poorly. See differentiate, dedifferentiate.

In cancer, refers to how mature (developed) the cancer cells are in a tumor. Differentiated tumor cells resemble normal cells and tend to grow and spread at a slower rate than undifferentiated or poorly differentiated tumor cells, which lack the structure and function of normal cells and grow uncontrollably.

Uterus

The hollow muscular organ in which the impregnated ovum (egg) is developed into an infant.

The uterus is about 7.5 cm in length in the nonpregnant woman, and consists of a main portion (body) with an elongated lower part (neck), at the extremity of which is the opening (os). The upper rounded portion of the uterus, opposite the os, is the fundus, at each extremity of which is the horn marking the part where the uterine tube joins the uterus and through which the ovum reaches the uterine cavity after leaving the ovary. The organ is supported in the pelvic cavity by the broad ligaments, round ligaments, cardinal ligaments, and rectouterine (relating to rectum and uterus) and vesicouterine (relating to bladder and uterus) folds or ligaments.

Vascular

Relating to or containing blood vessels.

The vascular system is the body's network of blood vessels; the arteries, veins and capillaries that carry blood to and from the heart.

Vascularity

The blood supply of a tumor.

The blood supply of a tumor.

WHR

Waist:Hip Ratio

A measure of truncal obesity, a particular feature of GH deficient patients.

X-Ray

A radiograph or radiation used in diagnostics or treatment.

1) The ionizing electromagnetic radiation emitted from a highly evacuated tube, resulting from the excitation of the inner orbital electrons by the bombardment of the target anode with a stream of electrons from a heated cathode.
2) Ionizing electromagnetic radiation produced by the excitation of the inner orbital electrons of an atom by other processes, such as nuclear delay and its sequelae.

<<  20 21 22 23 24 [25

Available Now!

PPRG6-500 Cover
The Pituitary Patient Resource Guide Sixth Edition is now available! Be one of the first to have the most up-to-date information. The Pituitary Patient Resource Guide a one of a kind publication intended as an invaluable source of information not only for patients but also their families, physicians, and all health care providers. It contains information on symptoms, proper testing, how to get a diagnosis, and the treatment options that are available. It also includes Pituitary Network Association's patient resource listings for expert medical care.

Buy Now