(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.
Rudimentary
Definition:
(a.) Of or pertaining to rudiments; consisting in first principles; elementary; initial; as, rudimental essays.
(a.) Very imperfectly developed; in an early stage of development; embryonic.
Example Sentences:
(1) The coronary arterial anatomy in 26 univentricular hearts, its relation to the morphologic characteristics of the ventricles and rudimentary chambers, and its surgical implications were analyzed.
(2) Mechanisms are suggested whereby rudimentary appetitive programs already encoded along facing dendrite membrane pairs within the specialized intrafascicular milieu, may trigger and control nipple search and suckling in the still blind and only primitively mobile neonate.
(3) Arterial complications are usually associated with cervical ribs or rudimentary first ribs, but 12 per cent have occurred in patients with no osseous abnormality.
(4) The following differential signs were underlined: initial symptoms, such as rudimentary cenesthopathia, stable insomnia, etc., preceding the formation of delusions; appearance of episodic exacerbations in the form of short-time acute paranoiac states; a combination of paranoiac delusion with stable phasic affective disorders; unusual possession of delusional patients expressed in bizarre delusional behaviour, etc.
(5) The occupational health services available to health service staff are often rudimentary.
(6) We report 5 newborns with a contracted lesser pelvis, imperforate anus (severely stenotic and ectopic anus in 1 case), absent or rudimentary urinary tract, and defective or absent external genitalia, vagina, and uterus but normal gonads.
(7) British people’s privacy is being put in danger because organisations are failing to get rudimentary security right, the information commissioner’s office warned on Monday.
(8) The structure of the rudimentary prostates of Ellobius lutescens is maintained intact after 6 days of organotypic culture in the absence of male hormones.
(9) In the 1930s, Piraeus was a rudimentary harbour; it was bombed by German planes in the second world war.
(10) Although he only had a rudimentary education, it is from him that I acquired my passion for language and learning.
(11) For differential diagnosis rudimentary supernumerary digit, cutaneous horn and granuloma pyogenicum are to be considered.
(12) Since gonadogenesis in day-12 rat embryos is rudimentary, with gonadal differentiation of sex not yet apparent, the increased weight suggests that sex-linked genes exist which influence body growth prior to gonadal endocrine activity.
(13) Although all were quadriparetic due to postoperative mechanical deformation of the cervical region, they were able to use the affected limbs to make postural adjustments and for standing and rudimentary ambulation.
(14) All gonads were constituted by rudimentary ovarian stroma with different states of hyalinization.
(15) The oculoauricular reflex is a physiological and bilateral phenomenon, often rudimentary in man.
(16) This rudimentary accessory ray caused a splay foot deformity that made it difficult for the patient to walk comfortably in shoes.
(17) The two rudimentary pouches lying posteriorly were not outlined by delimiting arteries.
(18) eye contact) from unambiguous to ambiguous message conditions, suggesting awareness of the differences in these message types at a rudimentary level.
(19) The degeneration of ovarian follicles and the formation of cell cords (rudimentary seminiferous tubules) were seen in the cortex.
(20) The term "rudimentary meningocele" seems appropriate for these lesions.