安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Notochord - Wikipedia
The notochord is a long, rod-like midline structure that develops dorsal to the gut tube and ventral to the neural tube The notochord is composed primarily of a glycoproteins core that is encased in a sheath of collagen fibers
- Notochord: Definition, Function and Structure | Biology Dictionary
The notochord is an elastic rod which extends through Chordate organisms, providing rigid support In the more derived Chordates, the Vertebrates, the notochord is replaced by the vertebral column, and becomes the cartilaginous substance between vertebrae
- The notochord: structure and functions - PMC
The notochord is an embryonic midline structure common to all members of the phylum Chordata, providing both mechanical and signaling cues to the developing embryo In vertebrates, the notochord arises from the dorsal organizer and it is critical for proper vertebrate development
- Notochord | Embryonic, Vertebrate, Development | Britannica
notochord, flexible rodlike structure of mesodermal cells that is the principal longitudinal structural element of chordates and of the early embryo of vertebrates, in both of which it plays an organizational role in nervous system development
- Notochord | Radiology Reference Article | Radiopaedia. org
The notochord represents the earliest fetal axial skeleton, extending from the Rathke pouch to the coccyx It is a primitive cell line from which the skull base and vertebral column develop The notochord is cylindrical and is replaced by sclerotomes that produce cartilage, and subsequently bone
- Notochord: Definition, Types, Function I ResearchTweet
What is Notochord? In anatomy, the notochord is a flexible rod formed of a material similar to cartilage If a species has a notochord at any stage of its life cycle, it is, by definition, a chordate
- The notochord: Current Biology - Cell Press
What is the notochord? The notochord is the defining structure of the phylum Chordata, which includes all vertebrates In its ‘mature’ state the notochord is a rod of large cells constrained by a thick extracellular sheath and positioned between the developing spinal cord and gut
- Notochord - Embryology
It is an early forming midline structure in the trilaminar embryo mesoderm layer initially ventral to the ectoderm, then neural plate and finally neural tube This is a transient embryonic anatomy structure, not existing in the adult, required for patterning the surrounding tissues
|
|
|