• biochemical
  • The principal biochemical features of the illness are reduced hair cystine levels, increased copper/zinc ratio, and presence of arginosuccinic acid in the blood and urine. (wikipedia.org)
  • nails
  • Many conditions affect the human integumentary system-the organ system covering the entire surface of the body and composed of skin, hair, nails, and related muscle and glands. (wikipedia.org)
  • Platelets
  • Studies have demonstrated that many TTD patients are born prematurely or are small for gestational age and are born from mothers whose pregnancies were complicated by preeclampsia or even HELLP (hemolysis, elevated liver enzymes and low platelets) syndrome. (clinicalpainadvisor.com)
  • disorder
  • Thus, when a patient presents in the clinic with a chief complaint of "hair loss," the possible causes may be vast, but a thoughtful and stepwise approach will quickly uncover clues that will lead the clinician to suspect a hair shaft disorder. (cancertherapyadvisor.com)
  • causes
  • Causes of Brittle Hair - Valerie Monroe Beauty Advice - Oprah.com (http://www.oprah.com/style/Causes-of-Brittle-Hair-V alerie-Monroe-Beauty-Advice) 3 Aug 2009 O's beauty director explains why hair becomes more fizzy with age. (herbalyzer.com)
  • patients
  • Amino acid analyses of control hair when compared with those of patients with the Sabinas syndrome showed very striking differences with regard to content of sulphur amino acids. (wikipedia.org)
  • The finding of a 'tiger-tail banding' pattern of hair shafts (representing a pattern of light, alternating with dark bands), seen with polarized light microscopy is observed in greater than 90% of affected patients with TTD. (clinicalpainadvisor.com)
  • pili
  • Within the latter type, the hairs occur in structures called pilosebaceous units, each with hair follicle, sebaceous gland, and associated arrector pili muscle. (wikipedia.org)
  • occur
  • In horses TTD is associated with curly hair, and hair loss (although it does not occur in all curly horses) usually occurs in the summer. (uky.edu)
  • widely
  • Progeroid syndromes have been widely studied in the fields of aging, regeneration , stem cells , and cancer . (wikipedia.org)
  • The most widely studied of the progeroid syndromes are Werner syndrome and Hutchinson-Gilford progeria, as they are seen to most resemble natural aging. (wikipedia.org)
  • skin
  • The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. (wikipedia.org)