(n.) The end, or other superficial part, of a bone, which ossifies separately from the central portion, or diaphysis.
(n.) The cerebral epiphysis, or pineal gland. See Pineal gland, under Pineal.
Example Sentences:
(1) In the other, the proximal fibula was excised and the epiphysis placed across the saphenous artery and vein in the groin.
(2) Radiographically the bone cyst distinguishes itself by its central localisation in the metaphysis, where as the giant cell tumor has an excentric position in the epiphysis with a tendency of extending into the metaphysis.
(3) In skeletal remains of immature children, the epiphysis is not usually available to estimate age.
(4) The axes of these lines converge in a frontal plane on the epiphysis.
(5) The chief characteristics of stage 18 (approximately 44 postovulatory days) are rapidly growing basal nuclei; appearance of the extraventricular bulge of the cerebellum (flocculus), of the superior cerebellar peduncle, and of follicles in the epiphysis cerebri; and the presence of vomeronasal organ and ganglion, of the bucconasal membrane, and of isolated semicircular ducts.
(6) Importance must also be given to the lowered sensibility of epiphysial growth zones to male sex hormone; this reduced sensibility is especially to be seen in chromatin-positive men.
(7) A single application of fluoride to the epiphysis of the femur induced accelerated bone formation.
(8) The treatment consisted of bolting the capitular epiphysis (head) of the femur with a homologous bone chip.
(9) Under those conditions a decrease in the epiphysis density and calcium and phosphorus content both in the shinbone and in the femur of the left extremity was similar both in pseudo-operated and ovariectomized rats.
(10) A girl with growth hormone deficiency developed a necrosis of the femoral capital epiphysis 6 months after the start of human growth hormone treatment.
(11) In relation to two rare cases of fracture-separation of the os acromiale, 26 other cases of defective epiphysial fusion were studied.
(12) The ability of matrix vesicles isolated from the epiphysial growth plate of 6-week-old chicks to facilitate the precipitation of calcium phosphate was studied in vitro.
(13) A varus pin position resulting in a more inferior pin placement in the proximal femoral epiphysis was found to be associated with the fewest complications.
(14) Twenty children with fracture-separation of the entire distal humeral epiphysis have been reported.
(15) The transfer of vascularized epiphysis with its growth plate has been shown in animal limbs to achieve a rate of growth comparable with the normal site.
(16) Their main drawbacks might be damage of the distal tibial epiphysis and of the functions of the ankle joint and talo-calcaneonavicular joint.
(17) With rapid distraction at rates of 1 mm per day (distractional epiphyseolysis) separation of the epiphysis from the metaphysis occurred by day 7, and by day 70 almost complete ossification of the cartilage and the elongated segment was evident.
(18) Plain radiographs demonstrated a well-defined lytic lesion in the epiphysis.
(19) Osteosarcoma in the metaphysis to epiphysis of the left femur of a 17-year-old male is reported.
(20) The presence of a proximal tibial epiphysis of 1 or 2 mm was associated with a gestational age of greater than 36 weeks in 88% of fetuses, whereas a proximal tibial epiphysis greater than or equal to 3 mm was associated with a gestational age of greater than 38 weeks in 94% of fetuses.
Hypophysis
Definition:
(n.) See Pituitary body, under Pituitary.
(n.) Cataract.
Example Sentences:
(1) Gonadectomy of females was accompanied by changes in the activity of individual HAS links in different direction--some reduction of ACTH in the hypophysis, a sharp and significant fall of the peripheral blood glucocorticoid level and a marked significant elevation of hydrococortisone production in the adrenal cortex in vitro.
(2) Since the discovery of peptides in hypophysis and brain, several classes of these peptides have been tested on their putative antidepressive properties.
(3) Injection of carbachol into the AV3V produced the expected natriuresis, which was accompanied within 20 min by a dramatic rise in the plasma ANP concentration and a rise in ANP content in the medial basal hypothalamus, the neurohypophysis, and particularly the anterior hypophysis but without alterations in the content of ANP in the lungs or the right or left atrium.
(4) The effect of o,p'DDD therapy on the endogenous plasma ACTH concentration was evaluated in 15 dogs with hypophysis-dependent hyperadrenocorticism.
(5) Ten patients had been treated by adrenalectomy, one patient by radiotherapy of the hypophysis, and one patient had refused any treatment.
(6) The results show that DA-receptors located within the pituitary itself are involved in the control of MSH release indicating that the effect of hypothalamic lesions on pituitary MSH content is primarily caused by interruption of dopaminergic neurotransmission in the hypophysis.
(7) For the study of the hypothalamo-hypophysial system of Xenopus laevis tadpoles, hypothalamic lesions were made by means of the electrocoagulation technique.
(8) 1 After the injection of labelled procaine and lidocaine in mice, the location and concentration of radioactivity was demonstrated by autoradiographical methods.2 An accumulation in some endocrine cells such as the pancreatic islets, the hypophysis, the adrenal medulla and certain cells of the thyroid (probably representing the calcitonin-producing parafollicular cells) was shown.3 After the injection of [(14)C]-procaine in chicks, an accumulation of radioactivity was observed in the ultimobranchial gland (which produces calcitonin in birds), but not in the thyroid.4 Radioactivity was also shown to be strongly concentrated in structures containing melanin, such as the pigment of the eye, skin and hair and in some organs involved in the metabolism and excretion of these drugs.
(9) The structure and ultrastructure of the following regions of the hypothalamo-hypophysial neurosecretory system (HHNS) in the population cycle of lemming were studied: supraoptic (SON), paraventricular (PVN) and arcuate nuclei (AN), the median eminence (ME) and posterior pituitary (PP).
(10) There are suitable coordinates for bilaterally stereotactic intervention into the middle female rats hypophysis in conclusions of our work.
(11) Three types of vasopressin receptors have been described: the V1a receptor of liver and blood vessels, the V1b receptor of hypophysis and the V2 receptor of kidney.
(12) In rats with intact hypophysis losses of liver DNA are known to be restored completely.
(13) The concentration of oxytocin was measured by radioimmunoassay in different brain areas, hypophysis, and plasma of male Wistar Kyoto rats during aging.
(14) The thrombosis was complicated by origination of necroses of the adrenal cortex and adrenals, hypophysis, by ulcers in the stomach and intestine.
(15) Haemorrhagic necrosis of the adrenals and damage of the hypophysis represented manifestations of the acute decompensation of the hormonal regulation.
(16) Adenoma of the hypophysis was diagnosed 4 years after bilateral adrenalectomy.
(17) Other primary stimuli are a hypophysial sebotropic factor and other hormones of the gonads and adrenal glands.
(18) The flat, wide meshed vascular net on the ventral side of the pars intermedia, demonstrated in this study, fits into the concept that the pars intermedia of the anuran hypophysis is under the control of nerve fibers coming from the hypothalamus.
(19) These results demonstrate that transport and racing are different kinds of stressors, suggesting that the sympathetic system and hypophysis-suprarenal cortex axis have a dissimilar contribution to the physiological response.
(20) Localization of the molluscan cardioexcitatory tetrapeptide FMRFamide (Phe-Met-Arg-Phe-NH2) in the brain and hypophysis of the brown hagfish, Paramyxine atami, was examined by immunohistochemistry specially regarding a possible relationship with neuropeptide Y (NPY).