Medications

Locoregional anesthesia: Anesthesia that produces loss of pain only in the region of the surgery. This may be done by a "spinal" in which an anesthetic agent is administered by lumbar injection. Locoregional anesthesia is in contrast to general anest...

Locoregional - Medical

Locoregional: Limited to a local region. See also: Locoregional anesthesia; Locoregional metastasis.Last Editorial Review: 11/26/2003 Locoregional anesthesia: Anesthesia that produces loss of pain only in the region of the surgery. This may be done ...

Locomotive system - Medical

Locomotive system: The system that permits locomotion, movement from one place to another. The key components of this system are: the bones that are the framework of the skeleton, the joints that hold the bones together and make movement po...

Locomotion - Medical

Locomotion: Movement from one place to another. And the ability to locomote, to get from one place to the next. The locomotive system permits locomotion and consists of bones that are the framework of the skeleton, joints that hold the bones ...

Lockjaw - Medical

Lockjaw: See Tetanus.Last Editorial Review: 4/27/2011 5:27:15 PM Medical Author: David Perlstein, MD, MBA, FAAP David Perlstein, MD, MBA, FAAP Dr. Da...

Locked-in syndrome - Medical

Locked-in syndrome: A neurological disorder characterized by complete paralysis of voluntary muscles in all parts of the body except for those that control eye movement. The locked-in syndrome is usually a complication of a cerebrovascular accident (...

Lochia - Medical

Lochia: The fluid that weeps from the vagina for a week or so after delivery of a baby. At first the lochia is primarily blood, followed by a more mucousy fluid containing dried blood, and finally a clear-to-yellow discharge.Last Editorial Rev...

Local treatment - Medical

Local treatment: Treatment that affects the tumor and the area close to it. Last Editorial Review: 4/27/2011 5:27:15 PM...

Local therapy - Medical

Local therapy: Treatment that affects only a tumor and the area close to it. Last Editorial Review: 4/27/2011 5:27:15 PM...

Local seizure - Medical

Local seizure: See: Partial seizure. Last Editorial Review: 6/2/2004Partial seizure: A seizure that affects only one part of the brain. Symptoms depend on which part is affected. One part of the body, or multiple body parts confined to one sid...

Lobule - Medical

Lobule: A little lobe. Last Editorial Review: 4/27/2011 5:27:15 PM...

Lobular carcinoma of the breast, infiltrating - Medical

Lobular carcinoma of the breast, infiltrating: Infiltrating lobular carcinoma is the second most common type of invasive breast cancer next to infiltrating ductal carcinoma, accounting for 5 to 10% of breast cancer. Infiltrating lobular carcinoma s...

Lobstein's disease - Medical

Lobstein's disease: Osteogenesis imperfecta type I. An inherited, generalized connective tissue disorder featuring bone fragility and blue sclerae (blue whites of the eyes). The classic mild form of "brittle bone disease." It is a dominant ...

Lobotomy - Medical

Lobotomy: A neurosurgical procedure performed in the past that involved severing the nerve fibers that connect the prefrontal cortex (the anterior and frontal lobes of the brain) to other parts of the brain. The procedure was developed in the late 19...

Lobectomy - Medical

Lobectomy: An operation done to remove a lobe of an organ such as the lobe of a lung or a lobe of the thyroid gland. The lung has 5 lobes -- 3 on the right and 2 on the left. A lobectomy may be performed for a disease such as lung cancer. Last Edit...

Lobe - Medical

Lobe: Part of an organ that appears to be separate in some way from the rest. A lobe may be demarcated from the rest of the organ by a fissure (crack), sulcus (groove), connective tissue or simply by its shape. For example, there are the frontal, par...

Lobar - Medical

Lobar: Having to do with a lobe. For example, lobar pneumonia. Last Editorial Review: 4/27/2011 5:27:15 PM Medical Author: George Schiffman, MD, FCCP ...

Loa loa - Medical

Loa loa: The eye worm, a parasite that lives in humans and other primates. People contract the parasite when bitten by infected deer flies. The larvae of the worm enter the bloodstream and later develop into adult worms. Symptoms may not appear for m...

LN2 - Medical

LN2: Liquid nitrogen. Last Editorial Review: 5/27/2004 Liquid nitrogen: Nitrogen in a liquid state. Liquid nitrogen is supercool -- about 200 degrees Celsius (320 degrees Fahrenheit) below zero -- and is used for cryopreservation, cryosurgery, and ...

LMP - Medical

LMP: Abbreviation for "last menstrual period." By convention, pregnancies are dated in weeks starting from the first day of a woman's last menstrual period (LMP). If her menstrual periods are regular and ovulation occurs on day 14 of her cycle, conc...

LLQ - Medical

LLQ: Abbreviation for the left lower quadrant (quarter). The LLQ of the abdomen contains the descending portion of the colon. (By contrast, RUQ stands for the right upper quadrant, LUQ stands for the left upper quadrant, and RLQ stands for th...

LLL - Medical

LLL: Acronym for the left lower lobe (of the lung). The left lung has but two lobes. The other lobe is the left upper lobe (LUL). The right lung has three lobes: the right lower lobe (RLL), the right middle lobe (RML), and the right upper lobe (RUL...

LL - Medical

LL: 1. Lower lid (of the eye). 2. Lower limit. The recommended LL for potassium intake is 4.7 grams per day for adults. Last Editorial Review: 6/27/2004 Eye: The organ of sight. The eye has a number of components. These components include b...

LKS - Medical

LKS: Landau-Kleffner syndrome. Last Editorial Review: 12/2/2002 Landau-Kleffner syndrome: A disorder with seizures starting in childhood in which the patient loses skills, such as speech, and develops behavior characteristic of autism. A maj...

Lizard bite - Medical

Lizard bite: Only two types of lizards are poisonous: the Gila monster that lives in Arizona and Mexico and the beaded lizard of Mexico. Symptoms from their bites of these include pain, swelling, and discoloration in the area around the bite and swol...

Living will - Medical

Living will: A living will is one form of advance medical directive. Advance medical directives pertain to treatment preferences and the designation of a surrogate decision-maker in the event that a person should become unable to make medical...

Living donor liver transplantation - Medical

Living donor liver transplantation: An option for patients who need a liver transplant. In this procedure, a healthy person (usually a family member, friend or co-worker) donates a portion of their liver to the transplant patient. One of the two lobe...

Livid - Medical

Livid: Black and blue. Last Editorial Review: 4/27/2011 5:27:15 PM...

Liver transplantation, living donor - Medical

Liver transplantation, living donor: See: Living donor liver transplantation.Last Editorial Review: 8/2/2003Living donor liver transplantation: An option for patients who need a liver transplant. In this procedure, a healthy person (usually a family ...

Liver transplant - Medical

Liver transplant: Surgery to remove a diseased liver and replace it with a healthy liver (or part of one) from a donor. The most common reasons for liver transplantation in children is biliary atresia (a disease in which the ducts that carry bile out...