BLASTOPORE Meaning and
Definition
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The term "blastopore" refers to a structure that appears during embryonic development, particularly in animals. It is a crucial feature of early development and plays a significant role in determining the body plan of an organism.
Specifically, the blastopore is an opening that forms on the surface of the developing embryo. It develops during the gastrulation process, which is a stage in embryonic development where the single-layered blastula transforms into a multi-layered structure known as the gastrula. The blastopore is formed when some cells on the surface of the blastula invaginate or fold inward, creating a depression or crease in the tissue.
The blastopore serves as the site where important developmental processes occur. In most animals, it is the location of either the mouth or the anus formation, ultimately determining if an organism is protostome or deuterostome. In protostomes, the blastopore develops into the mouth, while in deuterostomes, it becomes the anus. This distinction has significant implications for the organization and functioning of different body systems.
Furthermore, the blastopore facilitates the formation of the three primary germ layers during gastrulation: ectoderm, mesoderm, and endoderm. These germ layers differentiate into various tissues and organs of an organism. The ectoderm forms the outermost layer and gives rise to structures like the skin and the nervous system, the mesoderm forms the middle layer and develops into tissues like muscles and bones, and the endoderm forms the innermost layer and gives rise to structures like the digestive system and respiratory system.
In summary, the blastopore is an essential structure in embryonic development that provides critical information about the final body organization of an organism.
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The opening into the archenteron formed by the invagination of the blastula; Rusconi's anus, protostoma.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for BLASTOPORE
- vlastopore
- nlastopore
- hlastopore
- glastopore
- bkastopore
- bpastopore
- boastopore
- blzstopore
- blsstopore
- blwstopore
- blqstopore
- blaatopore
- blaztopore
- blaxtopore
- bladtopore
- blaetopore
- blawtopore
- blasropore
- blasfopore
Etymology of BLASTOPORE
The word "blastopore" is derived from the Greek roots "blastos" meaning "germ" or "embryo" and "poros" meaning "passage" or "opening". In embryology, a blastopore refers to the opening of the archenteron, the primitive gut, during early stages of development in certain animals like amphibians. This term was coined by the German embryologist Ernst Haeckel in the 19th century.
Similar spelling words for BLASTOPORE
- blastomere,
- blastodisc,
- blackston,
- blastoporic,
- blastemal,
- blaster,
- blacktop,
- blastoma,
- blastomycete,
- Blackstone,
- blastomyces,
- blastodiaceae,
- blastospheric,
- blastoderm,
- blastogenesis,
- blastocoelic,
- bluestem,
- blastoff,
- blacktopped,
- blastosphere,
- blastocyst,
- blastemic,
- blasted,
- blastocele,
- blast off,
- blastomycosis,
- blastoporal,
- blastodermic,
- blastogenetic,
- blastomycotic,
- blastular,
- blastocytoma,
- blue stone,
- blystone,
- blastomeric,
- blastocyte,
- blastema,
- blastocoele,
- blastocoel.
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