A flexible rodlike structure that is present in the embryos of all chordates and in the adult forms of certain groups, such as the lancelets and hagfishes. The notochord develops into the spinal column in most vertebrates. [Greeknōton,back+chord.] ...
2.something that has been created, whether animate or inanimate:a creature of the imagination. 3.a human being; person: used as a term of scorn, pity, or endearment 4.a person who is dependent upon another; tool or puppet [C13: from Church Latincrēatūra,from Latincrēareto create] ...
the spaces around the eye provide convenient sites that could serve as drug depots for materials such as silk-derived hydrogels (provided that vision is not impaired and the formulation does not physically obstruct eyeball rotation). The material could be moved under the orbital fascia, such as t...
notochord notochordal Notodontian notodontid Notogaea Notogaean Notomys Notonecta Notonecta undulata notonectal Notonectidae Notophthalmus Notophthalmus viridescens Notopodium Notorhizal notoriety notorious Notorious B.I.G. notoriously notoriousness notornis Notornis mantelli Notoryctidae Notoryctus Notory...
Embryos were stained for the expression of ntl in the notochord (G–K) or six3b and pax2a in the forebrain (asterisk) and MHB (triangle), respectively (L–P). Scale bars, 100 μm. Among the mdn-FGFR genes, mdn-R3 consistently showed the most potent effects on both neural development...
is the spinal column, which is preceded during embryonic development by the notochord. Man has two pairs of extremities, a closed cardiovascular system, and a tubular nervous system. His body is structured on the principle of bilateral symmetry and exhibits metamerism, which is typical of all ...
Zebrafish axial skeleton derives from paraxial mesoderm, as in mammals. Nevertheless, mammals vertebral centrum formation is determined by somites along the spine [47], while in teleosts the notochord plays a key role in the vertebral column segmentation [48]. Particularly, mammalian vertebra is buil...
Alcohol (also known as ethanol and ethyl alcohol) is an organic compound with the molecular formula of C2 H6 O. Alcohol is created through the fermentation of sugars (such corn sugar and fruit sugar) by yeasts, and alcohol is a flammable, clear liquid....
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook rachis (redirected fromrachial) Thesaurus Medical Encyclopedia Related to rachial:Rachel,brachial plexus,brachial artery ra·chis (rā′kĭs) n.pl.ra·chis·esorrach·i·des(răk′ĭ-dēz′, rā′kĭ-...
Twitter Google Share on Facebook Prochordal (redirected fromprechordal) Medical Pro`chor´dal a.1.(Anat.)Situated in front of the notochord; - applied especially to parts of the cartilaginous rudiments in the base of the skull. Webster's Revised Unabridged Dictionary, published 1913 by G. ...