Yolk
...pment of the fetal membranes and placenta The
branchial region Development of the body cavities The form of the embryo at different stages of its growth ... Full article >>> About 5000 nuclei accumulate in the unseparated cytoplasm of the oocyte before they migrate to the surface and ...
Vessels
... portions of the jaw and middle ear. Also known as
branchial arches, gill arches, or viscera l arches. Full article >>> Saturated fats and cholesterol in the diet can lead to deposits of fatty materials on the linings of the blood vessels . Waxes Waxes are composed of a long -chain fatty ac...
Ontogeny
...ian ear bones, reptilian jaws Pharyngeal pouches,
branchial arches Snake embryo s with legs Embryo nic human tail Marsupial egg shell and caruncle ... Full article >>> Haeckel advanced the "recapitulation theory " which proposed a link between ontogeny (development of form) and phyl...
Notochord
...erve cord post-anal tail, and a series of paired
branchial grooves. Full article >>> notochord In chordates , a cellular rod that runs the length of the body and provides dorsal support. Also, a structure of mesoderm in the embryo that will become the vertebrae of the spinal column. ...
Gills
... portions of the jaw and middle ear. Also known as
branchial arches, gill arches, or viscera l arches. Full article >>>...
Developmental biology
...ian ear bones, reptilian jaws Pharyngeal pouches,
branchial arches Snake embryo s with legs Embryo nic human tail Marsupial egg shell and caruncle ... Full article >>> General concepts that are seen repeatedly in developmental biology . Information to contribute and/or submit correctio...