منابع مشابه
Hair apparent: Rapunzel syndrome.
Emily (all names and identifiers have been changed to protect confidentiality) was a 7-year-old girl seen by her pediatrician for a routine annual examination. Although Emily had voiced no complaints, her mother had noted that she had appeared paler than usual. Upon physical examination, her pediatrician noted a nontender palpable mass in the child’s stomach, leading him to order an abdominal u...
متن کاملAbnormal Hair Development and Apparent Follicular Transformation to Mammary Gland in the Absence of Hedgehog Signaling
We show that removing the Shh signal tranducer Smoothened from skin epithelium secondarily results in excess Shh levels in the mesenchyme. Moreover, the phenotypes we observe reflect decreased epithelial Shh signaling, yet increased mesenchymal Shh signaling. For example, the latter contributes to exuberant hair follicle (HF) induction, while the former depletes the resulting follicular stem ce...
متن کاملFrequency of Sodium Valproate-Induced Hair Loss and Curly Hair
Sodium valproate has been widely used by man as an antiepileptic drug. Hair loss and curly hair is a rare side effect of sodium valproate. We have conducted a prospective clinical study in the Department of Neurology in Shafa Hospital, Kerman, Iran for ten years (1994-2004). All 211 epileptic patients in our study were given sodium valproate as a single drug treatment. During the course of ther...
متن کاملApparent actions and apparent goal-directedness
Apparent actions We assume that a passive observer perceives a sequence S of sensor values (s1, ..., sT ) with T ∈ N. At each instance t of the sequence, the observer has a memory or knowledge state mt which gives us a second sequence M = (m1, ...,mT ). The memory state of the agent might contain models of the observations or not. In the course of a sequence S there is an apparent action for ob...
متن کاملTUFTED HAIR FOLLICULITIS
A 28 year old albino man presented with a cicatricial alopecic plaque on the vertex. The patient had multiple hairs emerging from a single dilated follicular opening. Following inflammatory changes, new tufted hair appeared in spite of several periods of antibiotic treatment, and the disorder followed a relapsing and destructive course. Tufted hair folliculitis (THF) is a relapsing localiz...
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ژورنال
عنوان ژورنال: Nature
سال: 1998
ISSN: 0028-0836,1476-4687
DOI: 10.1038/35264