Webparachordal — 1. adjective Alongside the notochord in the embryonic skull 2. noun Such a bar of cartilage that will form the base of the skull … Wiktionary parachordal — para·chordal … English syllables Webparachordals parachordoma parachroma parachromatic parachromatin parachromatism parachromatopsia Parachromis parachronism parachordalis. Definition in the dictionary …

Chondrification and Character Identification in the Skull ... - PubMed

Webparachordal. Alongside the anterior portion of the notochord in the embryo; designating the bilateral cartilaginous bars that enter into the formation of the base of the skull. [ para - + … Webat their juncture. Parachordals are united posteriorly by a thin parachord- a1 plate, which has an anterior projec- tion under the brain that encloses the anterior end of the notochord. Preoptic, postoptic, and antotic pilae join the tra- beculae and parachordals to the orbital cartilage, which is united posteriorly with the otic capsule. hoffman watchman series

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Weba. 1. (Anat.) Situated on either side of the notochord; - applied especially to the cartilaginous rudiments of the skull on each side of the anterior part of the notochord. WebA quadrate cartilage supporting a lower moveable jaw, formed by the union of two cartilages in the middle line, and bearing dorsally two, possibly three processes; an anterior one, parallel to its fellow, and not united with it, but with the ethmoid plate, so that a moveable upper jaw did not exist; a middle one articulating with the trabeculæ, … WebNov 11, 2013 · The bony and cartilaginous skeleton considered, not the notochord—Nature of the earliest cartilaginous skeleton—The mesosomatic skeleton of Ammocœtes; its topographical arrangement, its structure, its origin in muco-cartilage—The prosomatic skeleton of Ammocœtes; the trabeculæ and parachordals, their structure, their origin in … hoffman water heater