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DISEASES INDEX [X]

Common Diseases List (X): Find medical advices, information and definitions about common diseases, illnesses, disorders, syndroms and deficincies. What are the signs, symptoms, causes, diagnosis, management, and treatments information. Click the disease link to view details.

Xanthelasma palpebrarum definition: Palpebrarum is a small plaque which is ofte yellowish in color that presents on the eyelids. Palpebrarum usually occurs in diabetes patients & to people having high cholesterol levels or lipid in their blood. The plaques usually contain high fat deposits. This condition is also called xanthelasma pa...
Xanthine oxydase deficiency otherwise known as the Xanthinuria, is a genetic disorder which causes deficiency of xanthine oxidase which is an enzyme that is needed for converting the xanthine to uric acid....
Xanthinuria otherwise known as the Xanthine oxydase deficiency , is a genetic disorder which causes deficiency of xanthine oxidase which is an enzyme that is needed for converting the xanthine to uric acid....
Xanthoma, otherwise known as the xanthomata or the xanthomatosis is a medical condition that is characterized by the deposition of yellowish cholesterol-rich material in the tendons of the body....
Xanthomatosis cerebrotendinous definition: Cerebrotendineous xanthomatosis otherwise known as the cerebrotendinous xanthomatosis, or Van Bogaert-Scherer-Epstein syndrome, or the cerebrotendinous cholesterosis, is a kind of xanthomatosis that isassociated with the CYP27A1 geneon the 2nd Chromosome....
Xeroderma pigmentosum or XP for brevity, is said to be an autosomal recessive genetic disorder of DNA repair where it is characterized by the inability to repair Ultraviolet or UV damages. More often it usually leads to the multiple basaliomas & skin malignancies....
Xeroderma pigmentosum, type 1 definition: Type 1 Xeroderma pigmentosum other wise known as the Xeroderma pigmentosum group A is the most classical form of Xeroderma pigmentosum whereby the gene variation involves the XPA located at the 9q22.3. Its symptoms are the same as those of the Xeroderma Pigmentosum itself & the only difference is th...
Xeroderma pigmentosum, type 2 definition: Type 2 Xeroderma pigmentosum or the Xeroderma pigmentosum group B is a complementation subgroup of the main disorder Xeroderma pigmentosum. The gene variation involved in this subtype of the Xeroderma pigmentosum is the XPB gene located at the 2q21. Symptoms are the same as that of the Xeroderma Pig...
Xeroderma pigmentosum, type 3 definition: Type 3 Xeroderma pigmentosum or the Xeroderma pigmentosum group C is a subtype of Xeroderma pigmentosum whereby the variation in the gene involved is the XPC located at the 3p25. Symptoms & treatment usually is the same as that of the Xeroderma Pigmentosum....
Xeroderma pigmentosum, type 5 definition: Type 5 Xeroderma pigmentosum or the Xeroderma pigmentosum group E is a subtype of the Xeroderma pigmentosum where the variation in the gene involved is the DDB2 located at the 11p12-p11. This type only difference to the rest of the types of the disorder as well as to the Xeroderma pigmentosum itself...
Xeroderma pigmentosum, type 6 definition: Type 6 Xeroderma pigmentosum or the Xeroderma pigmentosum group F is a complementary group of the Xeroderma pigmentosum characterized by the variation in the gene ERCC4 located at the 16p13.3-p13.13. Symptoms as well as the treatments are similar to that of the Xeroderma pigmentosum itself....
Xeroderma pigmentosum, type 7 definition: Type 7 Xeroderma pigmentosum otherwise known as the Xeroderma pigmentosum group G is a complementary group of the disorder Xeroderma pigmentosum characterized by the involvement of the gene RAD2 ERCC5 located at 13q33. Its symptoms as well as treatment & diagnosis are similar to that of the Xeroderm...
Xeroderma pigmentosum, variant type definition: Variant type Xeroderma pigmentosum or XPV for brevity, is a complementary group of the disorder Xeroderma pigmentosum whereby the gene involved is the POLH located at the 6p21.1-p12. Usually person who has Xeroderma pigmentosum Variant type suffer from mutation of the gene that codes particular DNA ...
Xerophthalmia, a Greek term used to refer to Dry Eyes, is a condition whereby there is an unusal failure of the eye to produce tears....
X-linked adrenal hypoplasia congenita genetic disorder where it involves the endocrine tissues particularly the adrenal glands. It is usually manifests by adrenal insufficiency where there is reduction of the adrenal gland function which causes incomplete development of the adrenal cortex or the out...
X-linked agammaglobulinemia otherwise known as X-linked hypogammaglobulinemia, or the XLA, Bruton type agammaglobulinemia is a medical condition that is characterized by the disorder in the X-link genes that results into the body's ability to fight infection....
X-linked alpha thalassemia mental retardation syndrome (atr-x) definition: 6.X-linked alpha thalassemia mental retardation syndrome or ATR-X for brevity is a disorder that is caused by the mutation of the ATR X gene which affects the 3D structure of the chromatin located in the cell nucleus. It is manifest through severe learning difficulties, an unusual facial appearance,...
X-linked dominant is a mode of inheritance where a gene on the X-chromosome is dominant. It is a mode that is less common to the X-linked recessive & unlike males, females are said to be more affected than males inasmuch as females have two x Chromosomes which may be a potential carrier of the abnor...
X-linked ichthyosis is a heriditary skin condition which is due to the deficiency of the steroid sulfatase. During prenatal, the X-linked ichthyosis is a condition that affects the placental oestrogen production inasmuch as the steroids from the male fetus are not fully utilize because of the diffic...
X-linked mental retardation and macroorchidism definition: X-linked mental retardation & macroorchidism otherwise known as the Fragile X syndrome,Fragile Site, Folic Acid Type, Rare, Fra(X)(Q27.3), the Marker Syndrome or the Martin Bell Syndrome, a mental retardation associated with the to x-link retardation. Its incidence includes 1 in 3600 males & 1 in 4,...
X-linked severe combined immunodeficiency otherwise known as the common gamma chain is a sub type of the Severe combined immunodeficiency which is said to be a result of the mutation in the gene encoding the common gamma chain (?c) which is a protein that is said to be used by the receptors for inte...
XX Male Syndrome otherwise known as the de la Chapelle Syndrome is an unusual sex chromosomal disorder especially observed in men. It is said to be caused by the unequal crossing over of the X & Y chromosome during the meiosis. Thus, normally men have only one chromosome & while the women are the on...
XY Female otherwise known as the Swyer syndrome or the XY gonadal dysgenesis is a form of female hypogonadism where there is no functional gonads in a woman to start off her puberty as compare to a normal woman where her karyotype is an XY. The gonads of the woman who suffer this syndrome has no fun...
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