How Do You Spell ARCHIBLAST?

Pronunciation: [ˈɑːkɪblˌast] (IPA)

The word "archiblast" is spelled "ɑːkɪblæst" in IPA phonetic transcription. It is a term used in biology to describe the single cell at the beginning of embryonic development that has the ability to divide into all of the different types of cells in an organism. The word is derived from the Greek words "arche" meaning "beginning" and "blastos" meaning "bud" or "sprout." The spelling of the word follows English spelling conventions, with the emphasis on the second syllable and the "ch" representing the "k" sound in Greek.

ARCHIBLAST Meaning and Definition

1. Archiblast, commonly known as the primitive streak, refers to a crucial structure found during early embryonic development in the process of gastrulation. It is a specialized area of cells that forms along the median line of the embryonic disc. The archiblast serves as a key organizer and plays a significant role in determining the embryonic body plan.

   During gastrulation, the archiblast arises as a result of cell movement and rearrangement. It forms a linear groove in the ectoderm, which extends from the anterior to the posterior end of the embryo. Cells along this streak lose their epithelial characteristics and undergo a process called ingression, during which they migrate inward and differentiate into various germ layers. The migration of cells through the archiblast is critical for the establishment of the three primary germ layers: ectoderm, mesoderm, and endoderm.

   The archiblast acts as a signaling center, releasing important molecular cues that direct cell movements and provide positional information. It guides the subsequent development of the nervous system, axial skeleton, and other vital structures. Disruptions or abnormalities in archiblast formation or migration can lead to severe developmental defects and malformations in the embryo.

   In summary, the archiblast, or primitive streak, is a fundamental structure in embryonic development. It serves as a foundation for the establishment of the body plan and plays a crucial role in directing cell movements during gastrulation.

2. 1. Epiblast of His. 2. The formative part of the yolk distinguished from that which affords nourishment to the embryo.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for ARCHIBLAST

• zrchiblast
• srchiblast
• wrchiblast
• qrchiblast
• aechiblast
• adchiblast
• afchiblast
• atchiblast
• a5chiblast
• a4chiblast
• arxhiblast
• arvhiblast
• arfhiblast
• ardhiblast
• arcgiblast
• arcbiblast
• arcniblast
• arcjiblast
• arcuiblast
• arcyiblast

Plural form of ARCHIBLAST is ARCHIBLASTS