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Results 451 - 494 of 494
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Takada U - - 1982
We subcutaneously injected collagen wound dressing (CAS) extracts equivalent to the area covering human body surface by 35 and 70%, respectively, into mouse dams from days 6 to 15 of pregnancy. No toxicity was observed in dams and no external, skeletal and visceral anomalies related to CAS treatment were observed ...
Homma S - - 1982
The effect of acupuncture on the grasp reflex caused by mechanical vibrations of fingers produced by a cylinder-type vibrator (120 Hz) was studied in healthy man. As the hand grasped the vibrator during vibration, the volar surface of all fingers was simultaneously stimulated, resulting in a gradually increased force of ...
Edmonds L D - - 1982
The descriptive epidemiology of conjoined twinning in the United States was investigated using data from the Birth Defects Monitoring Program (BDMP), a nationwide congenital malformations surveillance system that monitors discharge diagnoses associated with a third of the births in the United States. This is the largest recorded series concerning conjoined ...
Wan Y J - - 1982
Spontaneous and experimentally induced twinning and conjoined placentation were studied in Swiss-Webster (SW) mice. Conjoined placentation was noticed at a rate of 0.4% for twins and 0.06% for triplets. Placentally conjoined embryos were either symmetrical or asymmetrical. A single spontaneous monozygotic conjoined twin was observed among 2,000 blastocysts cultured in ...
Butler W F - - 1982
It has been confirmed that glycosaminoglycan is associated with collagen and other constituents of the anulus fibrosus. In cells, it appears to be present on the rough endoplasmic reticulum and is removed by hyaluronidase digestion and thus may consist of chondroitin sulphate. In pericellular material it appears as fibrils and ...
Osman A H - - 1982
In the fetal stage of 9 cm CRL 4 order omasal laminae are present. With increasing age they increase greatly in size and conical papillae are seen projecting from their sides into the lumen. At 27 cm CRL stage sporadic smooth muscle cells in the interlaminar spaces, representing the first ...
Osman A H - - 1982
In the fetus with 9 cm CRL the ventricular groove was made up of two lips and a floor. The mucosa consisted of a Lamina epithelialis and a Lamina propria mucosae. The basal zone of the Lamina epithelialis was uneven in the floor of the groove and showed wedge-shaped evaginations ...
Hogg D A - - 1981
1. The occurrence of mineralised tendons in the wing and pelvic limb of the domestic fowl was studied radiographically in adults and in growing birds from hatching to 182 d. 2. Mineralised tendons were found to occur in all the adults in the dorsal and plantar tarsometatarsus and variably in ...
Walker J M - - 1981
Seventy-four acetabula from a total of 140 normal human fetuses, obtained from abortions and deaths in the prenatal period, were used. The fetuses ranged from 9.1 to 40 cm in crown-rump length and are believed to be between 12 weeks and term. Acetabula were decalcified embedded in paraffin or celloidin, ...
Borg T K - - 1981
Scanning electron microscopy demonstrates an extensive and highly organized network of collagen in the left ventricle of all species examined. This system is arbitrarily divisible into three major components: a collagen weave network that surrounds groups of myocytes; an extensive array of collagen struts measuring 120 to 150 nm in ...
Messmer B J - - 1981
Conjoined twins of the xiphopagus type have been separated 24 hours after spontaneous delivery. Indication for early intervention was impending rupture of a large omphalocele as well as deterioration of one severely malformed twin who did not survive surgery, whereas the other one showed normal development up to 15 months ...
Saner G - - 1981
The effect of parity of maternal hair chromium and the changes during pregnancy were investigated. Hair samples were collected from nulliparous and multiparous women and longitudinally from pregnant women. Chromium was determined by flameless atomic absorption. Mean hair chromium in multiparous women was low when compared with nulliparous women of ...
Amatuzio J C - - 1981
The first known case of conjoined acardiac monsters in a twin pregnancy is reported. The conjoined monsters shared a single abdominal-thoracic artery and a primitive single-chambered heart. The placenta was monoamniotic with two umbilical cords. A classification of acardia as well as a discussion of possible mechanisms leading to the ...
Skinner S J - - 1981
Glycosaminoglycans and collagen were measured in dried samples of human amnion from pregnancies with and without premature rupture of the membranes. The major sulphated glycosaminoglycans were dermatan and chondroitin sulphates. The concentration of sulphated glycosaminoglycans decreased significantly towards term in both groups of patients (with, r=--0.720, and without, r=-0.631, premature ...
Colvée E - - 1981
The developmental changes of collagen and mucopolysaccharides in the semilunar values of the mouse were studied during the embryonic, fetal and postnatal period. The valvular collagen was investigated using Van Gieson and Sirius red-polarization microscopy methods. These procedures showed that the establishment of the fibrosa layer of the cusps does ...
Ashton I K - - 1981
The response of human fetal costal cartilage (gestational age 12--25 weeks) to plasma containing somatomedin activity has been examined in vitro. Uptake of both 3H-thymidine and 35S-sulfate into the cartilage was increased; the increase in 35S-sulfate uptake was relatively constant (mean = 198% of basal, N = 25) throughout the ...
Hagberg L - - 1980
In previous studies, we have shown that female sex hormones given in dosages corresponding to plasma levels in the last trimester of pregnancy retard collagen accumulation in early phases of experimental granulation tissue formation. Results of incorporation experiments using radioactive proline reported in this article indicate that this hormone treatment ...
Stephens T D - - 1980
Little is known at the present time about the molecular basis and mechanisms of morphogenesis. The present study is an attempt to determine what influence the extracellular matrix has on the initial outgrowth of the limb bud. Stage -12 to -18 chick embryo lateral plates were examined in relation to ...
Salisbury R E - - 1980
In 16 patients with thermal injury, no difference in bacterial clearing was noted when wounds were dressed with cadaver homograft skin, porcine skin, either mesh or sheet, and with amnion. Because of cost and ease we prefer fresh porcine skin for second- and third-degree burns.
Vladimirova I G - - 1980
The intensity of respiration of the body fragments of the planarian after its division anteriorly and posteriorly to the pharynx was studied. After division anteriorly to the pharynx regeneration takes place. During regeneration of the anterior fragment respiration increases in the first day after the operation and at the differentiation ...
Harper R G - - 1980
Obstetric, morphopathologic, neonatal, and surgical features of 36 reported cases of xiphopagus conjoined twins were correlated and reveal: (1) a 6% incidence of prenatal diagnosis; (2) a 36% rate of dystocia; (3) a 19% incidence of stillbirths; (4) variation in the extent of fusion; (5) a high rate of occurrence ...
Shapcott D - - 1980
To test the hypothesis that chromium deficiency may be cumulative with age and increasing parity, hair chromium levels were measured in 432 women at delivery. Although the levels in general were lower than those found in nonpregnant women there was no correlation between hair chromium level and age or number ...
Spector G J - - 1980
The later stages of development (16-40 weeks in utero) of the periotic duct and its adjacent areas in the human fetus indicate that the critical stages of development occur in four specific time related stages over a six-week period (20-26 weeks). First, the petrous apex ossifies to separate th inferior ...
Shapiro F - - 1980
Medial meniscectomy and the creation of "bucket-handle" lesions of the medial meniscus induce mild to moderate osteoarthrotic changes in the knee joints of mature rabbits. The osteoarthrotic lesions studied by gross inspection and histological sections, almost exclusively involve the medial tibial articular cartilage. The pathologic changes begin superficially, pass to ...
Cohen I E - - 1980
This is a follow-up study to an experiment on stress and wound healing which suggested a possible relationship between exposure to heat or cold stressors prior to wounding and reduced ability of the skin to retain the outline of an excised square cutout. The apparent gaping of wounds in stressed ...
Franklin J D - - 1979
In wounds in rabbit ears, the application every 12 hours of an ointment containing epidermal growth factor appears to produce faster and better healing. The resulting epithelium is thicker and more cellular than in the untreated ear wounds, and more fibroblasts appeared sooner during the healing process. Less wound contracture ...
Astore I P - - 1979
The parameters of the trichogram of the pubic hair were studied with a previously described technique. Measurements were made on males and on non-pregnant, pregnant and post-partum females. In males and non-pregnant females denisty and rate of growth steadily decrease with age. There was a higher percentage of telogens in ...
Yang T S - - 1978
A case is presented of fetal teratogenic damage from an unusually high maternal dosage of diphenylhydantoin, 600 mg daily, to a 40-kg woman throughout pregnancy. The anomalies included narrowed ends of the fingers and toes; aplasia of the nails on the other fingers and toes; aplasia of the distal phalanges ...
Ibrahim L - - 1978
Mouse vibrissae have been plucked at precise times throughout the hair cycle and the time of appearance of the new hair noted for each individual follicle. It was found that plucking a vibrissa at any time during the cycle resulted in the induction of a new hair and in no ...
Dingle J T - - 1978
Erosion of joint surfaces in arthritic conditions is always associated with the degradation of the two principal matrix macromolecules of cartilage, proteoglycan and collagen. The major enzymes thought to be involved in articular catabolism have not been isolated, purified, and their properties studied, but precise spatial and temporal activities are ...
Album M M - - 1977
Epidermolysis bullosa dystrophica is a rare disease that affects the skin and mucous membranes. Manifest at birth, it is characterized by poor dentition, esophageal strictures, syndactyly, and severe chronic anemia. Our 12-year-old patient required extensive dental treatment which necessitated overcoming problems of anesthesia as well as developing a technique of ...
De Carvalho C A - - 1977
The A. describes a technique for demonstrating collagen, muscular and elastic fibers in dry mesoscopic specimens, treated by the Semper method and submitted to dissection under the stereomicroscope. The technique holds essentially to the reconnaissance of these types of fibers in fragments or pellicles of said specimens, stained by the ...
Putschar W G - - 1976
Review of the structure of the symphysis pubis, based on my extensive study of the pelvic joints ('31) shows changes from age, function, pregnancy hormones and stress of parturition. Primary physiologic shearing clefts and secondary traumatic clefts in cartilage are more frequent in females. Interdigitations in the young osteocartilaginous border ...
Barr M M - - 1976
Histological and anthropometric studies were made of the hands and face of a 17-week-old (postmenstrual) human fetus that was exposed to warfarin throughout gestation. The fetus had marked nasal hypoplasia and the facial cartilages contained discrete foci of abnormal cartilage. When compared with age-matched control fetuses hand pattern profile analysis ...
Mahalko J R - - 1976
Values for hair chromium concentration of nulliparous women and parous women who had just given birth to a child were determined by atomic absorption spectrophotometry. Mean values for hair chromium concentration of nulliparous and parous subjects were 309 +/- 23 and 117 +/- 10 ppb, respectively. The difference was highly ...
Buckland-Nicks J A - - 1976
The fine structure of the spermatogonium, spermatocyte and spermatid of a marine snail, Littorina sitkana is described. The ring centriole (annulus) is formed from the distal centriole and it migrates to the base of the mitochondrial region where it lies in a joint-like structure which is formed by an area ...
Tsuneki K - - 1976
Neurosecretory axons in the neurohypophysis of the hagfish, Eptatretus burgeri, were statistically classified into six types according to the size of secretory granules. Thes types are comparable with those in higher vertebrates. The concentration of each axon type is different in three regions: anterior dorsal wall, posterior dorsal wall, and ...
Endo M - - 1976
The endometrial scrapings obtained from the uteri of estrogen-treated rabbits were incubated with N-acetyl-d[1-3H]glucosamine and [35S]sulfate, and then the incubation medium (M-Fr) was separated from the tissue. The tissue was subsequently homogenized exhaustively in 0.25m sucrose, and the insoluble residue (R-Fr) was separate. The supernatant at 8,500Xg for 10 min ...
Benfer J - - 1976
The influence of rifamycin SV on the healing process of a wound was studied in animal experiments. Measurement of the degree of cicatrization, determination of the free hydroxyproline in serum, and histological findings helped to demonstrate that local application of rifamycin SV leads to an increased fibrinous conglutination of the ...
Clow W M - - 1973
Despite contraceptive advice, a high proportion of patients who have had a pregnancy terminated by hysterotomy became pregnant again within a short space of time. Fifty-three such pregnancies have been studied, and a substantial risk of rupture of the uterus was demonstrated in 14 cases where the scar was thin. ...
Watts Jane - - 2006
Female hirsutism is an embarrassing condition that threatens both a woman's perception of her femininity and her self-esteem. There are various causes of excessive facial hair in women, the most common being polycystic ovary syndrome. Periods of hormonal flux such as pregnancy and the menopause can exacerbate the condition.
Simpson J S - - 1967
Besides complete and careful preoperative investigation of thoracopagus conjoined twins, monitoring of the various parameters, such as arterial blood pressure, central venous pressure, blood pH, and temperature, are most essential for accurate blood replacement, maintenance of normal body chemistry and thermoregulation. Equally important is continued monitoring in the postoperative period ...
MOORE H C - - 1965
A patient with the Marfan syndrome died suddenly from aortic rupture and dissection in the early puerperium of her second pregnancy. Although the association of the Marfan syndrome and pregnancy is extremely rare, the case reported here being only the fifth on record, the concurrence of dissecting aneurysm or aortic ...
MORRIONE T G - - 1962
Quantitative collagen determinations demonstrate an increase of approximately 800 per cent in the collagen content of the human uterus at term as compared with the non-pregnant state. Following parturition, there is a rapid resorption of collagen. The amount of collagen which disappears from the post partum uterus is approximately 53 ...
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