(n.) The first rudiments of an organism, whether animal or plant
(n.) The young of an animal in the womb, or more specifically, before its parts are developed and it becomes a fetus (see Fetus).
(n.) The germ of the plant, which is inclosed in the seed and which is developed by germination.
(a.) Pertaining to an embryo; rudimentary; undeveloped; as, an embryo bud.
Example Sentences:
(1) It was found that the skeletal muscle enzyme of the chick embryo is independent of the presence of creatine and consequently is another constitutive enzyme like the creatine kinase of the early embryonic chick heart.
(2) Since 1987, it has become possible to obtain immature ova from the living animal and to let them mature, fertilize and develop into embryos capable of transplantation outside the body.
(3) In X-irradiated litters, almost invariably, the incidence of anophthalmia was higher in exencephalic than in nonexencephalic embryos and the ratio of these incidences (relative risk) decreased toward 1 with increasing dose.
(4) The effects of hormonal promotion of T24-ras oncogene-transfected rat embryo fibroblasts (REF) were compared to cotransformation of these cells with adenovirus E1A and ras.
(5) Scatchard analyses of binding data obtained with synaptosomal preparations from 17-day-old embryos revealed two T3 binding sites.
(6) In the stage 24 chick embryo, a paced increase in heart rate reduces stroke volume, presumably by rate-dependent decrease in passive filling.
(7) From the biochemical markers in follicular fluid, cyclic adenosine monophosphate has a distinct predictive value in regard to pregnancy in in vitro fertilization-embryo transfer cycles.
(8) Implantation of the mouse embryo involves the invasion of the secondary trophoblast giant cells of the ectoplacental cone (EPC) into the uterine decidua.
(9) They suggest that an endogenous retinoid could contribute to positional information in the early Xenopus embryo.
(10) A cytogenetic and anatomopathologic study of an embryo of 24 mm crown-rump length showing pure triploidy (69,XXY) is reported.
(11) The in vivo approach consisted of interspecies grafting between quail and chick embryos.
(12) Here we report direct measurements of protein kinase C (PKC) activity in uninduced ectoderm, and in neuroectoderm shortly after induction by the involuting mesoderm, in Xenopus laevis embryos.
(13) Results obtained from cumulative labeling and pulse-labeling and chase experiments with cells from late gastrulae, yolk plug-stage embryos, and neurulae showed that the 30S RNA is an intermediate in rRNA processing and is derived from 40S pre-rRNA and processed to 28S rRNA.
(14) During that time they have repeatedly demonstrated the likely existence of signalling molecules or morphogens that control the pattern of development in the embryo.
(15) Ernst Reissner studied the formation of the inner ear initially using the embryos of fowls, then the embryos of mammals, mainly cows and pigs, and to a less extent the embryos of man.
(16) The objective of this study was to examine the effects of different culture media used for maturation of bovine oocytes on in vitro embryo development following in vitro fertilization.
(17) By 3 d in the chick embryo, the first neurons detected by antibodies to Ng-CAM are located in the ventral neural tube; these precursors of motor neurons emit well-stained fibers to the periphery.
(18) None of the factors tested was found to have a statistically significant effect on embryo yield.
(19) The embryo stages were assessed visually and some were investigated histologically.
(20) Ninety semen specimens were analysed for use in an IVF-embryo transfer (ET) programme.
Radicle
Definition:
(n.) The rudimentary stem of a plant which supports the cotyledons in the seed, and from which the root is developed downward; the stem of the embryo; the caulicle.
(n.) A rootlet; a radicel.
Example Sentences:
(1) Although its etiology is still undetermined, the liver pathology is characterized by occlusive changes of the intrahepatic portal radicles, portal and periportal fibrosis, irregularly distributed parenchyma atrophies and absent of regeneration nodules.
(2) The common hepatic duct opened directly into the mass, and the intrahepatic radicles were dilated.
(3) In order to provide drainage, the catheter should be advanced under fluoroscopic control into one of the major radicles ore preferably into the distal common duct beyond the point of obstruction.
(4) There were numerous retained gallstones in biliary radicles of the right hepatic duct; attempts to dislodge these by saline flushing failed.
(5) Special phenomena related to the small caliber of the needle include duct filling from "invisible" radicles, perivenous or periductal dissection of contrast, and pseudolesions in an incompletely decompressed stagnant bile column.
(6) In the group with Budd-Chiari's syndrome (BCS), in addition to the involvement of the large veins, thrombosis was observed in the small hepatic vein radicles in five out of six cases with myeloproliferative related disorders.
(7) In contrast to previous reports of hepatopathy after irradiation injury, histologic sections of the liver did not demonstrate occlusion of the central veins, but rather a diffuse obliteration of intrahepatic portal venous radicles.
(8) Cholangiographic features were the most characteristic and included irregular narrowing and segmental dilatation of the biliary radicles giving them a beaded appearance.
(9) The changes in hepatic venous radicles are characterized by irregular sclerosis, which seems to contribute significantly toward postsinusoidal block in advanced cases.
(10) This combination is highly radiopaque; it perfuses the small radicles of the vascular tree and sets to a firm rubbery consistency to fascilitate dissection.
(11) The basis of the pathogenesis in pseudocardialgia is the irritation of posterior sensory radicles by osteophytes or disc protrusion.
(12) Angiography showed a hypervascular lesion with shunting of dense contrast material into portal vein radicles.
(13) Pathomorphological studies revealed tissue infiltration of the surrounding intracerebral vessels by tumors cells without proliferation into the dura mater and radicles of the spinal cord.
(14) Our results indicated that the injured type I pneumocytes and endothelia caused by oxygen radicles are the fundamental damages in bleomycin-induced pulmonary fibrosis.
(15) We present a case with extrahepatic portal hypertension and polycythemia vera who complained acute recurrent variceal bleeding in spite of multiple sclerotherapy sessions, with a massive thrombosis of the portal bed and radicles without any possibility to perform a shunt.
(16) At autopsy the radicles of the portal veins were occluded by leukemic infiltrates and fibrosis.
(17) Recording of TSEP and GSEP was found to be of high diagnostic value for the establishment of vascular compression of the nervous radicle in the cerebellopontile angle to determine indications for microvascular decompression.
(18) An extended choledochotomy with further exploration of the intrahepatic radicles also failed to remove the incarcerated stones.
(19) If the tissue scavengers of oxygen radicles are not sufficient to scavenge the increase in oxygen radicles, then lipid peroxidation and tissue damage will occur.
(20) The increased brightness and clear visualization of portal vein radicle walls, previously described in this disease, were detected in only 32.2% of the hepatitis patients but were also seen in 30.9% of the normal controls.