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  • Electronic Resource  (2)
  • 2000-2004  (1)
  • 1990-1994  (1)
  • 1960-1964
  • Anosmia  (1)
  • Arrector pili muscle  (1)
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  • Electronic Resource  (2)
Years
  • 2000-2004  (1)
  • 1990-1994  (1)
  • 1960-1964
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  • 1
    Electronic Resource
    Electronic Resource
    A high concentration of Merkel cells in the bulge prior to the attachment of the arrector pili muscle and the formation of the perifollicular nerve plexus in human fetal skin (1993)
    Springer
    Archives of dermatological research 285 (1993), S. 261-268 
    Details
    ISSN: 1432-069X
    Keywords: Merkel cell ; Bulge ; Arrector pili muscle ; Nerve plexus ; Skin development
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The distribution of Merkel cells in human fetal hair follicles was studied using whole mounts of separated epidermis with attached hair follicles. The technique had the advantage of enabling the elucidation of the spatial relationships of Merkel cells with other cells in the skin. In a 16-week-old fetus the hair anlagen had formed one or two epithelial swellings of variable size. In a 17-week-old fetus sebaceous glands and the bulge of the hair follicle were recognizable and immunoreactive Merkel cells were present in the bulge and surrounding the acrotrichium (intraepidermal follicular canal). In a 20-week-old fetus the sebaceous gland and bulge were well formed and immunoreactive Merkel cells were concentrated in the bulge and infundibulum. In vertical sections of a 20-week-old fetus immunoreactive Merkel cells were also situated in the vicinity of the bulge. Arrector pili muscles were first observable in a 24-week-old fetus being weakly stained with anti-desmin antibody. In a 24-week-old fetus, nerves were also stained within the arrector pili muscles with S-100 protein antibody. In the presumptive arrector pili muscle immunoreactivity for S-100 protein developed before or at the same time as immunoreactivity for desmin. Merkel cells or their products in the bulge may serve as attractants for the growing arrector pili muscle which contain peripheral nerves. Following our report that dermal Merkel cells influence the formation of the dermal nerve plexus, perifollicular Merkel cells near the bulge may also play an inductive and growth-stimulative role for the perifollicular nerve plexus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00371594
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A novel interstitial deletion of KAL1 in a Japanese family with Kallmann syndrome (2000)
    Springer
    Journal of human genetics 45 (2000), S. 237-240 
    Details
    ISSN: 1435-232X
    Keywords: Key words Kallmann syndrome ; KAL1 ; Mutation ; Anosmia ; Hypogonadism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract We identified a novel interstitial deletion that spanned from exons 5 to 10 of KAL1 in two Japanese brothers with X-linked Kallmann syndrome (KS; MIM no. 308700). Both brothers had hypogonadism, unilateral renal agenesis, and disturbance of the sense of smell, but they had no other neurological manifestations, including mental disturbance. Their mother was confirmed to be an asymptomatic carrier, by use of a comparative multiplex polymerase chain reaction (PCR) analysis. The present patients are further examples of patients with KS without mental disturbance caused by a mutation confined to KAL1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100380070033
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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