topdoctors logo
SpecialtiesConditionsClinicsDentists
Area for professionals

Book online now

Medical dictionary

The most comprehensive medical information
coming from the best doctors.

Type in the name of the specialty, condition, treatment or medical test you are searching for

  • Home
  • Medical dictionary
  • L

How can the Medical Dictionary help you?

dictionaryResolve your doubts with detailed medical information
doctorFind the best doctors related to your health insurance
articleDiscover high-quality medical articles related to your health.
symptomIf you're not sure of the name of your condition, you can assess your symptoms
  • ALL
  • 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

Labial adhesions

Conditions

Paediatric Urology

What are labial adhesions? Labial adhesions (also called labial fusion) are when the labia stick together. This usually occurs in the labia minora (the inner labia). In some cases, this condition can seal the opening of the vagina, leaving only a small gap for urine to pass through. Labial adhesions are fairly common in girls under the age of seven and usually resolve on their own.

View more Search doctor

Labiaplasty

Treatment

Aesthetic Medicine

What is labiaplasty?Labiaplasty is a surgery that involves remodelling and resizing the labia minora which are the flaps of skin on each side of the vaginal opening. This can either be performed for cosmetic purposes, but sometimes it is for functional reasons. In most cases, local anaesthesia is used for a labiaplasty procedure. Labiaplasty should not be performed on girls aged less than 18

View more Search doctor

Lack of appetite

Conditions

Internal Medicine

What is a lack of appetite?A lack of appetite can be persistent or temporary. It can be caused by several factors, some of them originating from an underlying condition which could, in some cases, be serious. A lack of appetite can often lead to sudden weight loss.  What are the consequences of a lack of appetite?The most common consequences of decreased appetite are:A failure

View more Search doctor

Lactate

Medical tests

Internal Medicine

What is being analysed? Lactate, also known as lactic acid, is a substance produced in the body during intense physical activity or when oxygen levels are low. Lactate levels can be measured in the blood to assess various medical conditions. What does the result mean? Elevated lactate levels may indicate tissue hypoxia, shock, sepsis, heart failure, liver disease, or certain metabolic

View more Search doctor

Lactate dehydrogenase

Medical tests

Internal Medicine

What is being analysed? Lactate dehydrogenase (LDH) is an enzyme found in almost all body tissues, with higher concentrations in the heart, liver, kidneys, skeletal muscle, brain, blood cells, and lungs. This analysis measures the level of LDH present in the blood. What does the result mean? The result indicates the amount of LDH in the blood. Elevated levels may indicate tissue dam

View more Search doctor

Lactoferrin

Medical tests

Internal Medicine

What is analysed?Lactoferrin is a multifunctional glycoprotein released in the body’s biological fluids (tears, breast milk, faeces) that plays an important role in immune system response, enzyme activity, and gut health. Lactoferrin serves as a marker for various inflammatory diseases of the gastrointestinal tract.What does the result mean?The result indicates the concentration of lactoferri

View more Search doctor

Lactose intolerance

Conditions

Paediatrics

What is lactose intolerance?Lactose intolerance is a food intolerance that occurs after the ingestion of lactose. Lactose is a sugar that’s found in milk and milk products. If you are lactose intolerant, your body is unable to break down this sugar.   What causes lactose intolerance?  To digest lactose, the body needs an enzyme called lactase. Lactose intolerance occurs wh

View more Search doctor

Lactose intolerance test

Medical tests

Gastroenterology

What is a lactose intolerance test?A lactose intolerance test measures the ability of the intestines to break down a type of sugar, known as lactose, found in milk and other dairy products, when it is suspected that the substance is not well digested and causes discomfort.  What does it consist of?There are two types of lactose intolerance tests: a blood test to detect the presence of bl

View more Search doctor

Lactose tolerance tests

Treatment

Internal Medicine

What is analysed in a test for lactose tolerance? The tests evaluate the intestines’ ability to break down lactose. How are these tests used? There are two types of lactose tolerance tests. A hydrogen breath test measures the amount of hydrogen gas in the breath before and after drinking a liquid containing lactose. This is the most common test. Then there is a blood glucos

View more Search doctor
PreviousNext
  • 1
  • 2
  • 3
  • … 12
  • About us
  • About Top Doctors
  • Why choose us?
  • Quality commitment
  • Selection process
  • Medical Specialist Advisory Panel
  • Privacy policy
  • Terms of Use
  • Cookies policy
  • Policy on the use of third party applications
  • Collaborate with us
  • Doctors
  • Our Clinics
  • Strategic alliances
  • Join us
  • Top Doctors Awards
  • Nominate doctors
  • Customer services
  • Doctors by medical insurance
  • Contact us
  • FAQs
  • All medical procedures
  • Press and media
  • Press
  • Medical articles

Contact
  • Doctors
  • Member
  • Patients
Social networks
CertificatesComodo Secure
Privacy policy and Terms of Use

Top Doctors | 20-22 Wenlock Road, London, England, N1 7GU