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1.

Factor VIII

antihemophilic factor that is part of the factor VIII/von Willebrand factor complex; produced in the liver and acts in the intrinsic pathway of blood coagulation; serves as a cofactor in factor X activation and this action is markedly enhanced by small amounts of thrombin. [from CRISP]

MedGen UID:
41952
Concept ID:
C0015506
Amino Acid, Peptide, or Protein; Biologically Active Substance; Pharmacologic Substance
2.

Immunologic tolerance

The failure of the immune system to respond to an antigen that previously caused an immune response. [from NCI_NCI-GLOSS]

MedGen UID:
9425
Concept ID:
C0020963
Pathologic Function
3.

Hereditary factor VIII deficiency disease

Hemophilia A is characterized by deficiency in factor VIII clotting activity that results in prolonged oozing after injuries, tooth extractions, or surgery, and delayed or recurrent bleeding prior to complete wound healing. The age of diagnosis and frequency of bleeding episodes are related to the level of factor VIII clotting activity. Individuals with severe hemophilia A are usually diagnosed during the first two years of life following bleeding from minor mouth injuries and large "goose eggs" from minor head bumps. Without prophylactic treatment, they may average up to two to five spontaneous bleeding episodes each month including spontaneous joint bleeds or deep-muscle hematomas, and prolonged bleeding or excessive pain and swelling from minor injuries, surgery, and tooth extractions. Individuals with moderate hemophilia A seldom have spontaneous bleeding; however, they do have prolonged or delayed oozing after relatively minor trauma and are usually diagnosed before age five to six years; the frequency of bleeding episodes varies, usually from once a month to once a year. Individuals with mild hemophilia A do not have spontaneous bleeding episodes; however, without pre- and postoperative treatment, abnormal bleeding occurs with surgery or tooth extractions; the frequency of bleeding episodes varies widely, typically from once a year to once every ten years. Individuals with mild hemophilia A are often not diagnosed until later in life. Approximately 30% of heterozygous females have clotting activity below 40% and are at risk for bleeding (even if the affected family member is mildly affected). After major trauma or invasive procedures, prolonged or excessive bleeding usually occurs, regardless of severity. [from GeneReviews]

MedGen UID:
5501
Concept ID:
C0019069
Disease or Syndrome
4.

hemophilia

MedGen UID:
879943
Concept ID:
CN235333
Finding
5.

Hemophilia

Hemophilia is a bleeding disorder that slows the blood clotting process. People with this condition experience prolonged bleeding or oozing following an injury, surgery, or having a tooth pulled. In severe cases of hemophilia, continuous bleeding occurs after minor trauma or even in the absence of injury (spontaneous bleeding). Serious complications can result from bleeding into the joints, muscles, brain, or other internal organs. Milder forms of hemophilia do not necessarily involve spontaneous bleeding, and the condition may not become apparent until abnormal bleeding occurs following surgery or a serious injury.The major types of this condition are hemophilia A (also known as classic hemophilia or factor VIII deficiency) and hemophilia B (also known as Christmas disease or factor IX deficiency). Although the two types have very similar signs and symptoms, they are caused by mutations in different genes. People with an unusual form of hemophilia B, known as hemophilia B Leyden, experience episodes of excessive bleeding in childhood but have few bleeding problems after puberty.
[from GHR]

MedGen UID:
146334
Concept ID:
C0684275
Disease or Syndrome
6.

High risk of

The potential future harm that may arise from some present action or attribute or condition is almost certain. [from NCI]

MedGen UID:
568174
Concept ID:
C0332167
Finding
7.

Severe hereditary factor VIII deficiency disease

Severe disease manifests factor VIII activity of less than 1%, except in the U.K. and Italy, where severe disease includes factor VIII activity levels of less than 2% [from SNOMEDCT_US]

MedGen UID:
543973
Concept ID:
C0272322
Disease or Syndrome
8.

Inversion

a turning inside-out positioning of a body part [from CHV]

MedGen UID:
507880
Concept ID:
C0021945
Anatomical Abnormality
9.

Severe

Having a high degree of severity. For quantitative traits, a deviation of between four and five standard deviations from the appropriate population mean. [from HPO]

MedGen UID:
104640
Concept ID:
C0205082
Qualitative Concept
10.

Abnormal

Deviating in any way from the state, position, structure, condition, behavior, or rule which is considered a norm. (NCI) [from NCI_CDISC]

MedGen UID:
59964
Concept ID:
C0205161
Finding
11.

Inborn genetic diseases

Diseases that are caused by genetic mutations present during embryo or fetal development, although they may be observed later in life. The mutations may be inherited from a parent's genome or they may be acquired in utero. [from MeSH]

MedGen UID:
181981
Concept ID:
C0950123
Disease or Syndrome
12.

Blood Coagulation Disorders, Inherited

Hemorrhagic and thrombotic disorders that occur as a consequence of inherited abnormalities in blood coagulation. [from MeSH]

MedGen UID:
163105
Concept ID:
C0852077
Disease or Syndrome
13.

Coagulation Protein Disorders

Hemorrhagic and thrombotic disorders resulting from abnormalities or deficiencies of coagulation proteins. [from MeSH]

MedGen UID:
108723
Concept ID:
C0600503
Disease or Syndrome
14.

Congenital, Hereditary, and Neonatal Diseases and Abnormalities

Diseases existing at birth and often before birth, or that develop during the first month of life (INFANT, NEWBORN, DISEASES), regardless of causation. Of these diseases, those characterized by structural deformities are termed CONGENITAL ABNORMALITIES. [from MeSH]

MedGen UID:
14319
Concept ID:
C0027612
Congenital Abnormality; Disease or Syndrome
15.

Haemorrhagic disorders

spontaneous or near spontaneous bleeding caused by a defect in clotting mechanisms (blood coagulation disorders) or another abnormality causing a structural flaw in the blood vessels (vascular hemostatic disorders). [from CRISP]

MedGen UID:
6799
Concept ID:
C0019087
Disease or Syndrome
16.

Hemic and Lymphatic Diseases

Hematologic diseases and diseases of the lymphatic system collectively. Hemic diseases include disorders involving the formed elements (e.g., ERYTHROCYTE AGGREGATION, INTRAVASCULAR) and chemical components (e.g., BLOOD PROTEIN DISORDERS); lymphatic diseases include disorders relating to lymph, lymph nodes, and lymphocytes. [from MeSH]

MedGen UID:
6780
Concept ID:
C0018981
Disease or Syndrome
17.

Hyatt-C

MedGen UID:
5657
Concept ID:
C0020199
Amino Acid, Peptide, or Protein; Pharmacologic Substance
18.

Hematologic disease

Your blood is living tissue made up of liquid and solids. The liquid part, called plasma, is made of water, salts and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells and platelets. Blood disorders affect one or more parts of the blood and prevent your blood from doing its job. They can be acute or chronic. Many blood disorders are inherited. Other causes include other diseases, side effects of medicines, and a lack of certain nutrients in your diet. Types of blood disorders include. -Platelet disorders, excessive clotting, and bleeding problems, which affect how your blood clots. -Anemia, which happens when your blood does not carry enough oxygen to the rest of your body. -Cancers of the blood, such as leukemia and myeloma. -Eosinophilic disorders, which are problems with one type of white blood cell.  [from MedlinePlus]

MedGen UID:
5483
Concept ID:
C0018939
Disease or Syndrome
19.

Blood clotting factor

Endogenous substances, usually proteins, that are involved in the blood coagulation process. [from MeSH]

MedGen UID:
605
Concept ID:
C0005789
Amino Acid, Peptide, or Protein; Biologically Active Substance; Pharmacologic Substance
20.

Abnormality of the coagulation cascade

Disorders involving the elements of blood coagulation, including platelets, coagulation factors and inhibitors, and the fibrinolytic system [from SNOMEDCT_US]

MedGen UID:
604
Concept ID:
C0005779
Disease or Syndrome
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