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THE MERCK MANUAL MEDICAL LIBRARY: The Merck Manual of Medical Information--Home Edition
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Pl

Placebos

Placebos
Placebo: I Shall PleaseSidebar
The Science of Medicine: Cause and Effect

Placenta

Placenta and Embryo at 8 WeeksFigures
Problems With the PlacentaFigures

  • delivery of

  • Stages of LaborFigures
    Delivery

  • detachment of (placental abruption)

  • Risk Factors That Develop During Pregnancy: Pregnancy Complications
    Risk Factors That Develop During Pregnancy: Placental Abruption (Abruptio Placentae)
    Problems With the PlacentaFigures
    Anemia

  • development of

  • Stages of Development: Development of the Fetus and Placenta

  • drug transport across

  • How Drugs Cross the PlacentaFigures

  • mislocation of (placenta previa)

  • Risk Factors That Develop During Pregnancy: Pregnancy Complications
    Risk Factors That Develop During Pregnancy: Placenta Previa
    Problems With the PlacentaFigures

  • of postmature fetus

  • Postmaturity

    Placenta previa

    Risk Factors That Develop During Pregnancy: Pregnancy Complications
    Risk Factors That Develop During Pregnancy: Placenta Previa
    Problems With the PlacentaFigures

    Plague

    Plague

  • immunization for

  • Protecting Against DiseaseTables

    Plane travel

    see Air travel

    Plantar fasciitis

    Plantar Fasciitis

    Plantar reflex

    Physical Examination: Reflexes

    Plantar warts

    Warts: Classification

    Plants

  • dermatitis from

  • Common Causes of Allergic Contact DermatitisSidebar
    Poison Ivy DermatitisSidebar

  • poisoning from

  • Chemical Food Poisoning: Plant and Shrub Poisoning
    Moderately Poisonous PlantsTables
    Chemical Food Poisoning: Plant and Shrub Poisoning

    Plaque (dental)

    Tooth Disorders

  • in gingivitis

  • Gingivitis: Plaque-Induced Gingivitis

  • in periodontitis

  • Periodontitis: Causes
    Periodontitis: From Plaque to Tooth LossFigures

    Plaque (atherosclerotic)

    Atherosclerosis: Causes
    How Atherosclerosis DevelopsFigures

    Plaque (skin)

    Medical Names for Marks and Growths on the SkinSidebar

    Plasma

    Components of Blood: Plasma

  • exchange of (plasmapheresis)

  • see also Plasmapheresis
    Controlling Diseases by Purifying the BloodSidebar

  • low levels of, in relative polycythemia

  • What Are Secondary and Relative Polycythemia?Sidebar

  • transfusion of

  • Types of Transfusions: Plasma

    Plasma cell

    Specific Immunity: B Lymphocytes

  • disorders of

  • Plasma Cell Disorders
    What Is Cryoglobulinemia?Sidebar

    Plasmapheresis

    Controlling Diseases by Purifying the BloodSidebar

  • in autoimmune disorders

  • Autoimmune Disorders: Treatment

  • in autoimmune hemolytic anemia

  • Autoimmune Hemolytic Anemia: Treatment

  • in Goodpasture's syndrome

  • Goodpasture's Syndrome: Treatment

  • in macroglobulinemia

  • Macroglobulinemia: Treatment and Prognosis

  • in multiple sclerosis

  • Multiple Sclerosis (MS): Treatment

  • in thrombocythemia

  • Thrombocythemia: Treatment

  • in thrombotic thrombocytopenic purpura

  • Thrombocytopenia (ITP, TTP): Treatment

    Plasmodium infections (malaria)

    Malaria
    Problems at the Destination: Malaria

  • during pregnancy

  • Specific Medical Conditions and Travel: Pregnancy

    Platelet(s)

    Components of Blood: Platelets

  • aspirin and

  • Treatment: Aspirin

  • in clot formation

  • Bleeding and Clotting Disorders
    Blood Clots: Plugging the BreaksFigures

  • count of

  • Diagnosis: Complete Blood Count
    Complete Blood Count (CBC) Tables
    Blood Tests Tables

  • donation of

  • Special Donation Procedures: Plateletpheresis

  • formation of

  • Formation of Blood Cells

  • high levels of (thrombocythemia)

  • Components of Blood: Platelets
    Major Myeloproliferative Disorders Tables
    Thrombocythemia
    Other Causes of a High Platelet CountSidebar

  • low levels of (thrombocytopenia)

  • Components of Blood: Platelets
    Symptoms
    Thrombocytopenia (ITP, TTP)
    Causes of ThrombocytopeniaSidebar

  • with cancer treatment

  • Chemotherapy: Low Blood Cell Counts

  • in Wiskott-Aldrich syndrome

  • Wiskott-Aldrich Syndrome

  • mean volume of

  • Complete Blood Count (CBC) Tables

  • in polycythemia

  • Polycythemia Vera: Symptoms and Complications

  • radiation effects on

  • Radiation Injury: Acute Radiation Illness

  • splenic entrapment of (hypersplenism)

  • Enlarged Spleen

  • transfusion of

  • Types of Transfusions: Platelets
    Special Donation Procedures: Plateletpheresis

  • for pregnant women

  • Risk Factors Present Before Pregnancy: Autoimmune Disorders

    Plateletpheresis

    Special Donation Procedures: Plateletpheresis

    Platinum derivatives, in cancer

    Chemotherapy DrugsTables

    Play

    Social and Emotional Development

    Plesiomonas shigelloides infection

    Gastroenteritis: Bacteria

    Pleura

    Respiratory System

  • anatomy of

  • Pleural Disorders
    Two Views of the PleuraFigures

  • biopsy of

  • Diagnosis: Needle Biopsy of the Pleura or Lung
    Asbestosis: Diagnosis

  • disorders of

  • Pleural Disorders

  • inflammation of (pleurisy)

  • Symptoms: Causes
    Symptoms: Causes
    Major Causes of PleurisySidebar

  • mesothelioma of

  • Asbestosis
    Asbestosis: Prevention and Treatment

  • pain from

  • Viral Pleuritis

  • pain in

  • Symptoms: Causes

    Pleural

  • viral infection of

  • Viral Pleuritis

    Pleural effusion

    Pleural Effusion
    Common Causes of Pleural Effusion*Sidebar

  • aspiration of

  • Diagnosis: Thoracentesis

  • in cancer

  • Cancer of the Lungs: Symptoms and Complications
    Some Complications of Cancer Tables

  • in non-Hodgkin's lymphoma

  • Symptoms of Non-Hodgkin's Lymphoma Tables

  • in tuberculosis

  • Tuberculosis (TB): Symptoms and Complications

    Pleurisy

    Symptoms: Causes
    Pleural Effusion: Symptoms
    Major Causes of PleurisySidebar

    Pleuritis

    Viral Pleuritis

    Pleurodesis

    Pleural Effusion: Effusions Caused by Cancers

    Pleurodynia

  • epidemic

  • Viral Pleuritis

    Pleurodynia, epidemic

    Enteroviral Infections: Common in ChildhoodSidebar

    Plexus

    Nerves: Cranial and Spinal Nerves
    Plexus Disorders
    Nerve Junction Boxes: The PlexusesFigures

  • disorders of

  • Plexus Disorders

    Plummer's disease

    Hyperthyroidism: Causes

    Plummer-Vinson syndrome

    Obstruction: Esophageal Webs
    Deformities and Discoloration: Deformities Associated With Disease

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