Repro Phys Quiz 5 Vocab
Terms in this set (34)
At or towards the head of the body; opposed to posterior.
Fluid-filled cavity within a blastocyst.
Term for an early embryo after formation of a blastocoele and an outer layer of cells known as the trophoblast.
the name of the individual cells that compose an early embryo.
Capacitation of sperm
Physiological process within the female reproductive tract by which spermatozoa gain the capacity to fertilize an oocyte.
the initial mitotic divisions of an embryo in which the cells become progressively smaller.
The process of producing genetically identical animals.
The whole product of conception throughout gestation; includes the embryo (or fetus) and placental fluids and membranes.
The acquisition of individual characteristics by the cells and tissues of an embryo.
Having two sets of chromosomes (2 N). Somatic cells are ordinarily diploid in chromosome constitution in contrast to the haploid gametic cells.
Remote, as opposed to close or proximal.
A young organism in the early stages of development; includes stages from a 2-cell embryo until morphogenesis is completed.
The science of the development of the embryo; the features and phenomena exhibited during the formation and development of an embryo.
the outermost layer of sells in an embryo.
the innermost layer of cells in an embryo.
The young of an animal in the uterus, from time of complete tissue differentiation until birth.
An early stage of embryonic development in which the embryo consists of three distinct germ layers: ectoderm, mesoderm, and endoderm.
Process by which a gastrula is formed.
Having a single set of chromosomes (1 N), as in the mature gametes.
insertion of the penis into the vagina.
That which takes place outside the living body.
In vivo -
That which takes place within the living body.
the middle layer of cells in an embryo.
the embryonic development of an ovum without fertilization by sperm.
Caudal, at or towards the hind end of the body.
close as opposed to remote (distal).
Referring to body tissues; having two sets of chromosomes.
Somatic cell nuclear transfer (SCNT)
A method of cloning in which a diploid cell (somatic cell) donates nucleus to an oocyte from which the chromosomes have been removed (enucleation). The donated nucleus is "reprogrammed" by the cytoplasm of the oocyte and embryonic development is initiated.
Simultaneous development of two sets of fetuses, of different ages, in the uterus.
The union of the male and female pronuclei within the vitellus (cytoplasm) of the fertilized oocyte.
The science concerned with abnormal development and congenital malformations
the ability of a single cell to develop into a complete organism.
The outer cell layer of the blastocyst that will subsequently form the chorion.
The cell produced by the union of sperm and ovum at fertilization.