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Results 201 - 250 of 485
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Melis Paris - - 2002
A controlled, quantitative histochemical study was performed in five piglets to establish changes in undermined and not undermined stretched skin. The skin was stretched with a stretching device for 30 minutes to close a large skin defect. On each flank of the piglet, at a standard position, 9 x 9-cm ...
Selten Jean-Paul - - 2002
It remains often uncertain whether the use of illicit substances has contributed to the aetiology of psychosis. Gas chromatography-mass spectrometry can be used to detect them in hair of the head. Given a monthly growth rate between 1.0 and 1.5 cm, one can examine hair segments that originated during the ...
Gangnuss, Samantha.
"June 2002" Bibliography: leaves 144-170. Fetal skin has a unique ability to re-epithelialize a wound in the absence of dermal substrata, although this capacity is lost between embryonic day 17 (E17) and day 19 of gestation (E19) in the rat. This study seeks to identify the molecular signalling events induced ...
Whyte J R - - 2002
OBJECTIVES: To obtain further knowledge on the morphogenesis of the articulations in the tympanic ossicular chain in humans. MATERIAL AND METHODS: In 25 temporal bones of human fetuses the structural development of incudomallear, incudostapedial and stapediovestibular articulations was studied. The chronological ages were between the 7th week (21 mm) and ...
Zaima Hiroyuki - - 2002
Vitiligo is often classified into three types, generalized, segmental, and localized, on the basis of their distribution pattern. It is also classified into type A (non-dermatomal or non-segmental) and type B (dermatomal or segmental) vitiligo on the basis of both the distribution pattern and physiological function. The natural courses of ...
Mendhekar D N - - 2002
A case of recurrent pre and postpartum psychosis is described. Pre-partum psychosis was more severe in intensity when compared with postpartum psychosis and, if untreated, it may have continued as postpartum psychosis. Presence of bipolar affective illness in the family, ongoing stressor and unplanned pregnancy may be the risk factors ...
Sills E S - - 2001
Conjoined twins represent the most uncommon twinning mechanism in humans, with an incidence approaching 1:100,000 deliveries. Although several conjoined male twins have occasionally been reported, for unexplained reasons most cases of conjoined twins are female. Of all the female conjoined twin sets either documented by medical authorities or referenced in ...
Hjelm A - - 2001
BACKGROUND: During pregnancy and parturition a remodeling within the extracellular matrix of the cervix and the corpus uteri occurs, which is of fundamental importance to a normal labor. The aim of this study is to identify the major proteoglycans in corpus uteri of non-pregnant subjects. METHODS: From human uterine tissue ...
Sodhi G S - - 2001
The powder technique for detecting latent fingerprints involves the application of a finely divided formulation to the fingermark impression, generally with a glass-fibre or a camel hair brush. The powder gets mechanically adhered to the sweat residue defining the ridge pattern. The furrows which are devoid of the fingerprint residue, ...
Singh I - - 2001
A 32-year-old perineal hypospadiac man presented with recurrent urethral hair growth, stone, and stricture with a history of multiple urethroplasties. He was treated by urethrolithotomy, internal urethrotomy, laser epilation of the hair-bearing urethral graft, closure of the fistula, and chemical depilation of the neourethral hair. A dilute solution of thioglycolate ...
Saarela T - - 2001
To assess the effects of antenatal corticoid administration on foetal collagen metabolism, cord serum concentrations of the aminoterminal propeptide and carboxyterminal telopeptide of type I procollagen (PINP and ICTP), which reflect rates of type I collagen synthesis and degradation, respectively, were measured in 67 consecutive preterm infants with gestational ages ...
Sbernardori M C - - 2001
The distribution of collagen type IV, fibronectin and elastin in the flexor digitorum tendons and in the perichondrium of staged human embryos and fetal hand (from 6 to 12 weeks of gestation) has been studied to analyse the immunohistochemical features of the human hand during the first trimester of pregnancy. ...
Zhong R - - 2001
The INTERFASCICULAR FIBERLESS/REVOLUTA (IFL1/REV) gene is essential for the normal differentiation of interfascicular fibers and secondary xylem in the inflorescence stems of Arabidopsis. It has been proposed that IFL1/REV influences auxin polar flow or the transduction of auxin signal, which is required for fiber and vascular differentiation. Assay of auxin ...
Raffetto J D - - 2001
Fibroblasts (fb) play an important role in wound healing involving motility, contraction, fibrosis, and expression of the cytoskeletal protein alpha-smooth muscle actin (alpha-sma). Patients with chronic venous insufficiency (CVI) are known to have dermal changes and impaired venous ulcer healing. To investigate whether these dermal-fb have an altered ability to ...
Fujiwara A - - 2001
Several studies have shown an association between sagittal orientation of the facet joint and degenerative spondylolisthesis. There is currently no information available on the association between orientation of the facet joint and osteoarthritis. This study examined the association between orientation and osteoarthritis of the lumbar facet joints. One hundred eleven ...
Kestin S C - - 2001
This paper reviews recent data relating to the efficiency and humaneness of the methods used to kill minke whales in commercial and special permit whaling operations. In the 1980s a grenade-headed harpoon was developed for minke whaling. Most recent results indicate that in the Norwegian industry approximately 60 per cent ...
Chin G S - - 2001
The biochemical regulation of collagen deposition during adult cutaneous wound repair is poorly understood. Likewise, how collagen is perceived and modulated in fetal scarless healing remains unknown. Recently, discoidin domain receptors-1 and 2 (DDR1 and DDR2) with tyrosine kinase activity have been identified as novel receptors for collagen. In light ...
Shibata S - - 2001
We investigated the histochemical localisation of versican, aggrecan and hyaluronan in the developing condylar cartilage of the fetal rat mandible at d 15-17 of gestation. At d 15 of gestation, immunostaining for versican was detected in the anlage of the future condylar process (condylar anlage), although the staining intensity showed ...
Reep R L - - 2001
Sirenians, including Florida manatees, possess an array of hairs and bristles on the face. These are distributed in a pattern involving nine distinct regions of the face, unlike that of any other mammalian order. Some of these bristles and hairs are known to be used in tactile exploration and in ...
Kojima T - - 2001
OBJECTIVE: To determine whether following the onset of intraarticular inflammation, there is early damage to articular cartilage, specifically to types II and IX collagen, and the proteoglycan (PG) aggrecan, and whether measurement of the degradation products of these molecules in synovial fluid (SF) and serum may permit the detection of ...
Maffulli N - - 2000
We studied biopsies from the Achilles tendons of patients undergoing open repair for a subcutaneous rupture of their Achilles tendons (27 men, 11 women; mean age, 45.3 +/- 13.8 years) and specimens of Achilles tendons from persons with no known tendon ailments (43 men, 3 women; mean age, 64.2 +/- ...
Tchetgen M B - - 2000
This article provides a comprehensive and updated overview of the current role of collagen injections in the management of genuine stress incontinence. The clinical indications for collagen injection are described, and relevant technical advances are discussed. Finally, we review the latest outcome data on the use of collagen injection, as ...
Noah J W - - 2000
Sixteen long-range crosslinks are induced in Escherichia coli 16S rRNA by far-UV irradiation. Crosslinking patterns in two other organisms, Bacillus subtilis and Thermus aquaticus, were investigated to determine if the number and location of crosslinks in E.coli occur because of unusually photoreactive nucleotides at particular locations in the rRNA sequence. ...
Görgü M - - 2000
Cartilage grafts have been widely used for reconstruction of congenital or acquired deformities. Reshaping and preserving the new shape of the cartilage grafts have been a problem. In this in vitro experimental study the authors studied the effect of the Er:YAG laser on cartilage reshaping in comparison with scalpel stripping ...
Matarasso A - - 2000
An imbalance between the alar rim and the columella border can be a disturbing aesthetic deformity. If the cause is a pseudohanging columella, the therapy should be directed to the alar rims. When the deformity is a true hanging columella with unusually wide medial crural cartilages, balance can be restored ...
Montagnani S - - 2000
We collected human fetal and adult normal meninges to relate the age of the tissue with the presence of collagenous and non-collagenous components of Extra Cellular Matrix (ECM). Immunohistochemistry led us to observe some differences in the amount and in the distribution of these proteins between the two sets of ...
Yokoyama Y - - 2000
There are divergent opinions as to whether atrophoderma of Pasini and Pierini (APP) is a nosologic entity or a primary atrophic morphoea. In this study, we used high performance liquid chromatography to analyse the skin disaccharide contents of glycosaminoglycan (GAG) in two patients with APP and compared the results with ...
Camacho F M - - 2000
Pili bifurcati is an uncommon hair shaft dysplasia characterized by bifurcation of the hair shaft. The two characteristics that define the dysplasia are: 1. Each bifurcation produces two separate parallel branches which fuse again to form a single shaft. 2. Each branch of the successive bifurcations is covered with its ...
Goldberg Y - - 2000
A case of conjoined twins in a triplet pregnancy after in-vitro fertilization and intracytoplasmic sperm injection is described. The diagnosis was made by high-resolution vaginal sonography, as early as the eighth week of gestation. The third fetus, of different chorionicity, was normal. Selective termination was successfully done at 12 weeks. ...
Ebe K - - 2000
Static seat characteristics (seat stiffness) and dynamic seat characteristics (vibration magnitude) can both influence judgements of seat comfort. It is proposed that seat comfort can be predicted on the basis of Steven's psychophysical law: psi = kphi(n), where psi is a sensation magnitude, phi is the stimulus magnitude and k ...
Gestrelius S - - 2000
Biomimicry has been introduced as a term for innovations inspired by nature [1]. Such innovations may appear in almost every part of modern society. This review on the effects of enamel matrix proteins on the formation of cementum and the development of emdogain for regeneration of periodontal tissues lost due ...
Neame P J - - 2000
The leucine-rich proteoglycans (also known as "small, leucine-rich proteoglycans," or SLRPs) lumican and decorin are thought to be involved in the regulation of collagen fibril assembly. Preparation of these proteoglycans in chemical amounts without exposure to denaturants has recently been achieved by infecting HT-1080 cells with vaccinia virus that contains ...
Donoghue P C - - 2000
Current information on the conodonts Clydagnathus windsorensis (Globensky) and Promissum pulchrum Kovács-Endrödy, together with the latest interpretations of conodont hard tissues, are reviewed and it is concluded that sufficient evidence exists to justify interpretation of the conodonts on a chordate model. A new phylogenetic analysis is undertaken, consisting of 17 ...
Leppert P C - - 2000
OBJECTIVE: Our purpose was to determine the histologic distribution and expression of decorin in rat cervix throughout the course of rat gestation and to correlate the findings with the known progression of collagen fiber disruption and cellular turnover in this tissue. STUDY DESIGN: Cervices from pregnant animals at 5, 11, ...
Hart D A - - 2000
Hsp47 (also termed "colligin") is a 47 kDa protein that is localized in the ER and cis-Golgi vesicles of fibrocytes, chondrocytes, and other collagen-secreting cells. Under stress conditions, Hsp47 expression is upregulated as part of the heat shock/stress response that mitigates cell damage from noxious stimuli such as elevated temperature, ...
Joshi A - - 1999
A 16-year-old male had brown macules in a geographic pattern with increased terminal hair on the back and dusky red partially blanchable non progressing macules on his left thigh since birth. Clinical diagnoses of Becker's nevus and port-wine-stain were made and confirmed histopathologically. In addition, he had multiple lentigines on ...
McCrory J L - - 1999
A treadmill with vibration isolation and stabilization designed for the International Space Station (ISS) was evaluated during Shuttle mission STS-81. Three crew members ran and walked on the device, which floats freely in zero gravity. For the majority of the more than 2 hours of locomotion studied, the treadmill showed ...
Camacho N P - - 1999
Osteogenesis imperfecta (OI), a heritable disease caused by molecular defects in type I collagen, is characterized by skeletal deformities and brittle bones. The heterozygous and homozygous oim mice (oim/+ and oim/oim) exhibit mild and severe OI phenotypes, respectively, serving as controlled animal models of this disease. In the current study, ...
Sorrell J M - - 1999
The extracellular matrix of human fetal skin differs substantially from that of adult skin. Fetal skin contains sparse amounts of fibrillar collagen enmeshed in a highly hydrated amorphous matrix composed of hyaluronan and sulfated proteoglycans. Both fetal and adult skin contain two major interstitial proteoglycans that are extracted by chaotrophic ...
Fritsch H - - 1999
The ossification of the fetal calcaneus was studied in a series of plastinated sections of 44 normal feet and three clubfeet. The results documented a precise sequence of perichondral and endochondral ossification in the normal calcaneus characterized by ossification grooves and associated cartilage canals. Within the clubfoot calcaneus, the coordination ...
Bago B - - 1999
The present work reports the results obtained from in vivo studies on the distribution and behavior of nuclei of two arbuscular mycorrhizal (AM) fungi growing in symbiosis with tomato root organ cultures (AM monoxenic cultures). Upon staining with 4',6-diamidino-2-phenylindole and two-photon microscopy (2PM) observations, symbiotic thick runner hyphae appeared mostly ...
Mai J K - - 1999
The developmental expression pattern of the carbohydrate epitope CD15 (Lewis X, Le X) (alpha1-->3-fucosyl-N-acetyl-lactosamine) has been immunocytochemically evaluated in paraffin sections within the human basal ganglia from 10 weeks gestation to three years after birth. At 11 weeks of gestation, CD15 (Le X) positive radial glial cells were located in ...
Lovvorn H N HN - - 1999
BACKGROUND/PURPOSE: Collagen deposition in midgestation fetal skin wounds occurs rapidly and in a normal reticular pattern unlike adult scar. Although collagen types I, III, and V are present in both fetal and adult skin wounds, their relative distribution and pattern of crosslinking are unknown. We compared the quantity, distribution, and ...
Samuel C S - - 1998
The aim of this study was to examine the changes in collagen metabolism that occur during pregnancy and parturition and upon relaxin administration to the rat pubic symphysial interpubic tissue. Pubic symphyses were collected from non-pregnant, and intact and ovariectomised pregnant Sprague-Dawley rats at days 15, 18 and 21 of ...
Mast B A - - 1998
Cutaneous wound healing in the fetus can occur in a nonfibrotic, regenerative manner. However, other fetal tissues such as bone and stomach heal with scar formation. In light of potential ramifications for adult hollow visceral scarring (biliary and intestinal strictures), this study was undertaken to determine if tubular visceral tissue ...
Mackool R J - - 1998
Fetal wounds heal without a scar early in gestation, and may hold the key to scarless repair. Several important concepts central to the fetal wound-healing response have been determined. The fetal fibroblast modulates the wound-healing response through collagen deposition, extracellular matrix deposition, and growth factor secretion. Fetal repair is both ...
Grine F E - - 1998
A fragmentary temporal bone and partial atlas from the Middle Stone Age (MSA) at Klasies River Mouth (KRM) are described and analyzed. The atlas (SAM-AP 6268) is comparable to Levantine "Early Modern", Neandertal and recent human vertebrae. The temporal (SAM-AP 6269) is similar to recent African homologues except that the ...
Liechty K W - - 1998
BACKGROUND: Fetal skin wound healing results in scarless repair with minimal cellular inflammatory response. Interleukin-8 (IL-8) stimulates inflammation in postnatal wound healing but little is known about its role in fetal wounds. We hypothesized that fetal tissues have diminished IL-8 during wound repair and in response to platelet-derived growth factor ...
Watson R E - - 1998
Striae distensae (striae: stretch marks) are a common disfiguring condition associated with continuous and progressive stretching of the skin--as occurs during pregnancy. The pathogenesis of striae is unknown but probably relates to changes in those structures that provide skin with its tensile strength and elasticity. Such structures are components of ...
Brown M P - - 1998
OBJECTIVES: To determine effects of aging on sulfation of chondroitin sulfate (CS) in articular cartilage and synovial fluid from normal equine middle carpal joints, and to determine whether CS compositional analysis can be used to assess alterations in proteoglycan turnover in degenerative cartilage obtained from horses with carpal osteochondral fractures. ...
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