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1. a. The collection of cells that has developed from the fertilized egg of a vertebrate animal, before all the major organs have developed. b. A collection of such cells of a human, especially from implantation in the uterine wall through the eighth week of development. 2.
First attested in English in the mid-14c., the word embryon derives from Medieval Latin embryo, itself from Greek ἔμβρυον (embruon), lit. "young one", which is the neuter of ἔμβρυος (embruos), lit. "growing in", from ἐν (en), "in" and βρύω (bruō), "swell, be full"; the proper Latinized form of the Greek term would be ...
Aug 25, 2021 · While you likely hear people talk about the “baby” when someone is pregnant, there are specific terms that describe the different stages of pregnancy. When egg and sperm meet, a zygote is formed and quickly begins dividing to become an embryo. As pregnancy progresses the embryo becomes a fetus. The fetus becomes a neonate or newborn at birth.
Jul 6, 2017 · An embryo refers to the early developmental stage of eukaryotic organisms following the fertilization of an egg (derived from a female) by sperm (derived from a male) as a method of sexual reproduction.
: an animal in the early stages of growth and differentiation that are characterized by cleavage, the laying down of fundamental tissues, and the formation of primitive organs and organ systems. especially : the developing human individual from the time of implantation to the end of the eighth week after conception. b.
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. Additionally, embryology encompasses the study of congenital disorders that occur before birth, known as teratology .
Mar 17, 2022 · What Is an Embryo? An embryo is the early stage of a baby’s development during pregnancy. The first stage is the fertilized egg (zygote). It divides to become a blastocyst and travels down the fallopian tube to the uterus, where it may implant to establish the pregnancy.
Aug 13, 2023 · An embryo refers to the early developmental stage of a multicellular organism that follows fertilization. This stage represents a crucial juncture in the life cycle, transitioning from a single fertilized cell into a complex organism with specialized tissues and structures.
Obstetric and Neonatology Terms Built from Word Parts. amniochorial: pertaining to the amnion and chorion. amniorrhea: flow of amniotic fluid. amniotic: pertaining to the amnion. amniorrhexis: rupture of the amnion. antepartum: before childbirth (referring to the gestational parent) embryogenic: pertaining to producing an embryo. embryoid ...
Jun 16, 2023 · Embryology is the study of development of an embryo from the stage of ovum fertilization through to the fetal stage. The ball of dividing cells that results after fertilization is termed an ...
