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The Terminologia Embryologica (TE) is a standardized list of words used in the description of human embryologic and fetal structures.It was produced by the Federative International Committee on Anatomical Terminology on behalf of the International Federation of Associations of Anatomists and posted on the Internet since 2010. [1]
of or pertaining to the veins, venous blood, and the vascular system: Latin vēna, blood-vessel, vein venule, venospasm: ventr(o)-of or pertaining to the belly, the stomach cavities Latin venter, belly, stomach, womb ventrodorsal: ventricul(o)-of or pertaining to the ventricles; any hollow region inside an organ
An embryo is the term for the developing offspring during the first seven weeks following implantation (i.e. ten weeks' gestational age), after which the term fetus is used until birth. [ 5 ] Signs and symptoms of early pregnancy may include missed periods , tender breasts, morning sickness (nausea and vomiting), hunger, implantation bleeding ...
In humans, the embryonic period ends nine weeks after conception, after which time the term fetus is used instead of embryo. In many other animals, embryogenesis is considered complete only after hatching or birth. embryology embryonate Containing a developing embryo; e.g. an embryonated hen's egg, as opposed to an unfertilized egg. [2] endoderm
1 - morula, 2 - blastula 1 - blastula, 2 - gastrula with blastopore; orange - ectoderm, red - endoderm. Embryology (from Greek ἔμβρυον, embryon, "the unborn, embryo"; and -λογία, -logia) is the branch of animal biology that studies the prenatal development of gametes (sex cells), fertilization, and development of embryos and fetuses.
In biological terms, the development of the human body entails growth from a one-celled zygote to an adult human being. Fertilization occurs when the sperm cell successfully enters and fuses with an egg cell (ovum). The genetic material of the sperm and egg then combine to form the single cell zygote and the germinal stage of development commences.
Conceiving a baby using a frozen embryo may raise the mother’s risk of high blood pressure disorders by up to 74%, new research suggests. The findings, published in the journal Hypertension also ...
Different terms are used to describe prenatal development, meaning development before birth. A term with the same meaning is the "antepartum" (from Latin ante "before" and parere "to give birth") Sometimes "antepartum" is however used to denote the period between the 24th/26th week of gestational age until birth, for example in antepartum ...