Hypernym

noun

a living organism characterized by voluntary movement

Part_meronym

umbilical cord 1

noun

membranous duct connecting the fetus with the placenta

pronephros 1

noun

the most basic of the three excretory organs that develop in vertebrates, corresponding to the first stage of kidney development.

embryo 2

noundomain: animal

Princeton WordNet [ver.3.1]

English

Definition

an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life

Synonyms

conceptus 1
an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life
fertilized egg 1
an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life

Derivationally related form

embryonic 2

adjective

in an early stage of development

embryotic 1

adjective

in an early stage of development

embryonic 1

adjective

of an organism prior to birth or hatching

embryonal 1

adjective

of an organism prior to birth or hatching

Hyponym

blastula 1

noun

early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs

gastrula 1

noun

double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm

morula 1

noun

a solid mass of blastomeres that forms when the zygote splits; develops into the blastula

Part_holonym

umbilical cord 1

noun

membranous duct connecting the fetus with the placenta