WebSymmetric Matrix. In linear algebra, a symmetric matrix is defined as the square matrix that is equal to its transpose matrix. The transpose matrix of any given matrix A can be given as A T.A symmetric matrix A therefore satisfies the condition, A = A T.Among all the different kinds of matrices, symmetric matrices are one of the most important ones that are used … WebDec 9, 2012 · It appears as a symmetric acquired hypermelanosis, with stains in shades of brown to bluish gray, ... These plant extracts can be part of the composition of some perfumes and colognes, inducing the so called "Berloque dermatitis" or "au-de-cologne dermatitis" because the pigmentation stimulated by sunlight mimics embellishments, ...
Dermatitis - Symptoms and causes - Mayo Clinic
WebLichen amyloidosis (LA) classically presents as a pruritic and papular eruption localized to the pretibial surface of the legs. This report represents a pruritic and nongeneralized case located on the arms; LA should be considered for any … WebSymmetrical drug-related intertriginous and flexural exanthema appears hours to days after exposure to the medication. The rash presents as a well-defined redness of the buttocks, … military issue folding knives
What are the causes of symmetrical rash? - JustAnswer
WebExamples of Symmetric Relations. 'Is equal to' is a symmetric relation defined on a set A as if an element a = b, then b = a. aRb ⇒ a = b ⇒ b = a ⇒ bRa, for all a ∈ A. 'Is comparable to' is a symmetric relation on a set of numbers as a is comparable to b if and only if b is comparable to a. 'Is a biological sibling' is a symmetric ... WebSymptoms: Dermatitis (eczema) - is an inflammation of the skin. There are several causes of eczema, including bacteria, fungi, parasites or foreign substances (allergens), but it is most commonly thought to be related to allergies. Chronic forms of dermatitis tend to cause thickening, pigmentation, and scaling of the skin, whereas acute forms ... WebSeborrheic dermatitis is a skin condition which causes an itching scalp and facial dryness. It is a fairly common complaint affecting an estimated 6 million people in the U.S. Its symptoms are fairly similar to other conditions like psoriasis and other types of eczema meaning it is not always easily diagnosed. military issue knife