Notochord means

WebThe notochord is a flexible rodlike structure made up of mesodermal cells that serve as the primary longitudinal structural element of chordate. It is found in the early embryos of vertebrates and serves an organizing role in the development of the nervous system. WebApr 8, 2024 · notochord in American English. (ˈnoʊtəˌkɔrd ) noun. 1. an elongated, rod-shaped structure composed of cells, forming the primitive supporting axis of the body in …

Phylum Chordata - Characteristics, Classification And …

Webnotochord / ( ˈnəʊtəˌkɔːd) / noun a fibrous longitudinal rod in all embryo and some adult chordate animals, immediately above the gut, that supports the body. It is replaced in … Webnotochord: [ no´to-kord ] a cylindrical cord of cells on the dorsal aspect of an embryo, marking its longitudinal axis; the common factor of all chordates . It is the center of development of the axial skeleton. cryptforge https://pamroy.com

Notochord - definition of notochord by The Free Dictionary

WebOct 31, 2013 · Limnothrix (strain AC0243) is a cyanobacterium, which has only recently been identified as toxin producing. Under laboratory conditions, Bufo marinus larvae were exposed to 100,000 cells mL−1 of Limnothrix (strain AC0243) live cultures for seven days. Histological examinations were conducted post mortem and revealed damage to the … WebSep 15, 2024 · A notochord is often described as a primitive backbone. The word notochord comes from the Greek words notos (back) and chorde (cord). It is a rigid, cartilaginous rod that is present at some stage of development in all chordates. Some organisms, like African lungfish, tadpoles, and sturgeon, retain a post-embryonic notochord. Webnotochord (n.) notochord. (n.) "the primitive backbone," 1848, coined in English by English anatomist Sir Richard Owen from chord (n.2) + Greek nōton "back," which is perhaps from … dupage medical group central scheduling

Notochord anatomy Britannica

Category:29.1A: Characteristics of Chordata - Biology LibreTexts

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Notochord means

Notochord Definition & Meaning YourDictionary

Webnoun An elongated, rod-shaped structure composed of cells, forming the primitive supporting axis of the body in the lowest chordates and lying between the digestive tract … WebNeurulation refers to the folding process in vertebrate embryos, which includes the transformation of the neural plate into the neural tube. The embryo at this stage is termed the neurula.. The process begins when the notochord induces the formation of the central nervous system (CNS) by signaling the ectoderm germ layer above it to form the thick and …

Notochord means

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WebThe meaning of VERTEBRATE is any of a subphylum (Vertebrata) of chordates that comprises animals (such as mammals, birds, reptiles, amphibians, and fishes) typically having a bony or cartilaginous spinal column which replaces the notochord, a distinct head containing a brain which arises as an enlarged part of the nerve cord, and an internal … WebFrom. Wikipedia. The notochord disappears in the sclerotome (vertebral body) segments, but persists in the region of the intervertebral discs as the nucleus pulposus. From. …

WebA chordate ( / ˈkɔːrdeɪt /) is an animal of the phylum Chordata ( / kɔːrˈdeɪtə / ). All chordates possess, at some point during their larval or adult stages, five synapomorphies, or primary physical characteristics, that distinguish … WebThe notochord is a flexible rodlike structure made up of mesodermal cells that serve as the primary longitudinal structural element of chordate. It is found in the early embryos of …

Webnoun An elongated, rod-shaped structure composed of cells, forming the primitive supporting axis of the body in the lowest chordates and lying between the digestive tract and the central nervous system. Webster's New World WebAug 25, 2024 · The notochord is a flexible rod that runs down the organism’s body’s anteroposterior axis (from top to bottom) and is located dorsal to the stomach and ventral to the body’s central nervous system. In reality, the …

WebThe chordates are named for the notochord, which is a flexible, rod-shaped structure that is found in the embryonic stage of all chordates and in the adult stage of some chordate species. It is located between the digestive tube and the nerve cord, and provides skeletal support through the length of the body. ... Tetrapod literally means ...

WebNotochord noun. an elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which … crypt flowersWebApr 7, 2024 · Notochord This flexible skeletal rod that’s made of cartilage is what gives chordates their name. The notochord runs between an animal’s digestive tube and its nerve cord and provides support for the body. It is the precursor of a backbone, or spine, in vertebrates. Post-Anal Tail crypt flower arrangementsWeb: any of a major group of animals (as vertebrates and tunicates) having at least at some stage of development a notochord, a central nervous system located in the back, and openings for water to pass over the gills chordate adjective More from Merriam-Webster on chordate Britannica English: Translation of chordate for Arabic Speakers Love words? crypt fontWebApr 7, 2024 · The Notochord is a flexible structure that looks like a rod made of mesodermal cells. Notochord comes out from the body during the time of gastrulation. It … dupage medical group fletcher dr elginWebno· to· chord ˈnōt-ə-ˌkȯ (ə)rd : a flexible supporting rod of cells that exists in the embryos of all chordates, remains in the adults of some primitive forms (as lancelets and lampreys), and is replaced by the backbone in most vertebrates Medical Definition notochord noun no· to· chord ˈnōt-ə-ˌkȯ (ə)rd dupage medical group elmhurst pediatricsWebVideo shows what notochord means. A flexible rodlike structure that forms the main support of the body in the lowest chordates; a primitive spine. A similar structure found in the … dupage medical group downers grove lab hoursWebnotochord. (nō′tə-kôrd′) n. 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. … dupage medical group dmg