WebJan 17, 2024 · (obsolete, zoology, anatomy) The spinal column, or the vertebrae of the spine. [17th–19th c.]· (zoology) An anatomical shaft or axis in a marine invertebrate. … Webnoun Word forms: plural rachises, rhachises, rachides or rhachides (ˈrækɪˌdiːz , ˈreɪ- ) 1. botany. the main axis or stem of an inflorescence or compound leaf. 2. ornithology. the shaft of a feather, esp the part that carries the barbs. 3. another name for spinal column.
rachis - definition and meaning
In vertebrates, rachis can refer to the series of articulated vertebrae, which encase the spinal cord. In this case the rachis usually forms the supporting axis of the body and is then called the spine or vertebral column. Rachis can also mean the central shaft of pennaceous feathers. In the gonad of the invertebrate nematode Caenorhabditis elegans, a rachis is the central cell-free core or axis of the gonadal arm of both adult males and hermaphrodites where the germ cells hav… WebRachis definition: Spinal column. . Origin of Rachis From New Latin, from Ancient Greek ῥάχις (rhakhis, “spine, ridge" ).. From Wiktionary New Latin from Greek rhakhis spine, ridge. From American Heritage Dictionary of the English Language, 5th Edition 家族対抗殺伐 ネタバレ 44
RACHIS - Translation in English - bab.la
WebTélécharger le fichier pdf d’un mémoire de fin d’études. LES VERTEBRES CERVICALES. Au nombre de sept, elles constituent le rachis cervical qui peut être subdivisé en deux parties anatomiquement et fonctionnellement distinctes : – le rachis cervical supérieur ou encore rachis sous-occipital, comportant les structures articulaires cervicales de l’os … Webrachis - WordReference English dictionary, questions, discussion and forums. All Free. WebShattering (agriculture) Shattering in many crops involves dehiscence of the mature fruit, for example, in Brassica napus. In agriculture, shattering is the dispersal of a crop's seeds upon their becoming ripe. From an agricultural perspective this is generally an undesirable process, and in the history of crop domestication several important ... bu-net通信 ログイン