Glossary L

 

Glossary of Terms

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


L

LDL (Low-density lipoprotein)

Lipoproteins are combinations of lipids (fats) and proteins and are the form in which lipids are transported in the blood.

LH (Lutenizing hormone)

One of several hormones produced in the anterior pituitary; in females associated with follicular maturation, onset of heat (or estrus) and egg release from the follicle. In males, it stimulates testosterone release from the testes.

Laboratory

A place for doing tests and research procedures and preparing chemicals.

Laparoscopy

A procedure that uses a fiberoptic device, called a laparoscope, to examine the inside of the pelvic cavity. The laparoscope is inserted through a small incision in the abdomen.

Laparotomy

Traditional abdominal surgery.

Leiomyomas

Medical term for fibroids.

Lesion

A small area of damaged tissue.

Libido

Sex drive.

Lichen sclerosus

This chronic skin disease begins when hard white spots appear on the skin. Over time these patches can become larger and crinkled, causing inflammation and thinning of the skin. In women, the condition affects mainly the vulva.

Lipid Profile

A group of tests often ordered to determine risk of coronary heart disease that includes total cholesterol, HDL and LDL cholesterol, triglyceride levels, and lipid ratios.

Lupron (leuprolide acetate)

A pharmaceutical treatment that initially stimulates gonadotropin releasing hormone (GnRH produced in the hypothalamus) and with continuous therapeutic use acts to suppress sex steroid production in both the ovary and testes. Used in the treatment of precocious puberty in children.

Lupus erythematosus

An autoimmune disease where the body’s own immune system attacks its tissue. This disease can cause a skin rash, arthritis, or damage to the kidneys and cardiovascular system.

Luteal phase

The second half of the menstrual cycle; the time between ovulation and onset of the next menses during which the corpus luteum develops and begins to secrete progesterone and estrogen and degenerates after two weeks in the absence of fertilization.


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

 

 

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