Blastulas are a type of early-stage embryo that is formed during the process of embryonic development. They are characterized by a hollow ball of cells that forms after the zygote undergoes a series of cell divisions. Blastulas are an important stage in the development of many animals, including humans, and understanding their structure and function is crucial to understanding the process of embryonic development.
Definitions
Blastulas are defined as an early-stage embryo that is characterized by a hollow ball of cells. This stage of development occurs after the zygote undergoes a series of cell divisions, and the cells begin to differentiate into different types of tissue. The blastula is an important stage in the development of many animals, including humans.
Origin
The term “blastula” comes from the Greek word “blastos,” which means “sprout” or “bud.” The term was first used in the early 19th century to describe the early stages of embryonic development in animals.
Meaning in different dictionaries
The meaning of blastulas can vary slightly depending on the dictionary. In the Merriam-Webster dictionary, blastulas are defined as “an early stage of embryonic development characterized by a hollow ball of cells.” The Oxford English Dictionary defines blastulas as “a stage in the development of an embryo, characterized by a hollow ball of cells.”
Associations
Blastulas are associated with the early stages of embryonic development in animals. They are an important stage in the development of many animals, including humans. Blastulas are also associated with the process of cell differentiation, where the cells begin to specialize and form different types of tissue.
Synonyms
Synonyms for blastulas include blastocysts, early embryos, and pre-implantation embryos.
Antonyms
Antonyms for blastulas include later-stage embryos, fetuses, and fully-formed animals.
The same root words
The root word “blast-” is used in many other scientific terms, including blastocyst, blastomere, and blastogenesis. All of these terms refer to different stages or processes in embryonic development.
Example Sentences
- In the blastula stage, the cells begin to differentiate into different types of tissue.
- The blastocyst is a type of blastula that forms during the early stages of embryonic development.
- The blastomere is a single cell that makes up the blastula.
- Blastogenesis is the process by which the blastula forms during embryonic development.