cord meaning in biology

Start studying Mastering Biology Chapter 17. The incidence is brought by several factors that bring injury to the brain and the spinal cord. chrom-or chromo-or chromat-or chromato-[Greek chromos colored] (1) Color, colored (chromophil, chromatophore). By students. Many reflexes of placental mammals appear to be innate. (Originally it was a quantity that could be tied with a cord.) umbilical cord /əm-BILL-ik-əl/ n. The hoselike structure connecting the placenta to the embryo or fetus; contains the umbilical artery and vein. Coccygeal. Motor Neuron. They are hereditary and are a common feature of It conducts motor output to the periphery and it is a nerve cell forming part of the pathway along which impulses travel from the brain or spinal cord to a gland or muscle. The meninges is a layered unit of membranous connective tissue that covers the brain and spinal cord.These coverings encase central nervous system structures so that they are not in direct contact with the bones of the spinal column or skull. It transmits nerve impulses from the brain or spinal cord out to an effector. choroid-or choroido-[Greek chorioeides skinlike] Denotes the choroid coat of the eye (choroidocyclitis). Fundamentals of Biology Biology is based on some key theories and fundamentals: The cell - The cell is the fundamental unit of all life. Stomach: part of the digestive tract between the esophagus and the intestine. Dissociated anesthesia: It is a condition in which in a particular part of body, certain sensations are retained, and certain sensations are lost. Code Biology is the study of all codes of life with the standard methods of science. In this article we will discuss about:- 1. Spinal cord meaning in Bengali - সুষুম্না; সুষুম্না কাণ্ড; ; | English – Bangla & English (E2B) Online Dictionary. Biology Dictionary (UMBILI-) umbilicus /əm-BILL-ik-əs/ n. The navel. Modern biology has more scientific approach - the evolution theory. Lamina is a general anatomical term meaning "plate" or "layer". Lumbar cord. The meninges are composed of three membrane layers known as the dura mater, arachnoid mater, and pia mater. How to use plug in a sentence. A "cord" of wood is a rectangular pile of wood 4 feet wide, 4 feet high, and 8 feet long. Brainly.com - For students. The other is the peripheral nervous system (PNS) which is outside the brain and spinal cord. Sacral cord. Meaning of Genetic Code 2. umbilical cord definition: 1. the long, tube-like structure that connects a baby that has not yet been born to its mother's…. The world’s largest social learning network for students. chord-or chordo-[Greek chordos string] Denotes an anatomical cord . 2. Fertilization brings together the chromosomes from each parent, creating the first cell, or zygote, of the new human. The placenta is usually attached at the top, bottom, side, front or back of the uterus. Several spinal nerves emerge out of each segment of the spinal cord. A peripheral blood mononuclear cell (PBMC) is any peripheral blood cell having a round nucleus. If you're wondering what the different color stoles mean, here's a chance to get familiar. In adults, the spinal cord is usually 40cm long and 2cm wide. Sensory neurons receive information through their receptors, which are part of the peripheral nervous system, and convert this information into electrical impulses. chord synonyms, chord pronunciation, chord translation, English dictionary definition of chord. I like to think of the physical body as a sensitive electromagnetic vehicle which … Organ, in biology, a group of tissues in a living organism that have been adapted to perform a specific function. Effects of Hemisection of Spinal Cord (when only one-half of spinal cord is sectioned) (Fig. The umbilical cord carries fetal blood to and from the placenta. In extreme cases, the placenta gets attached to the lower part of the uterus resulting in a condition known as placenta previa. Check out the available colors, below, or jump to individual color/meaning listings. ; The vertebral laminae: plates of bone that form the posterior walls of each vertebra, enclosing the spinal cord. ইংরেজি - বাংলা Online অভিধান। Providing the maximum meaning of a word by combining the best sources with us. How to Use "Cord" The noun "cord" refers to a rope or a bond, an insulated electrical cable, or an anatomical structure (e.g., vocal cords or umbilical cord). The amniotic fluid protects the fetus from physical harm, and is held inside the amniotic sac. Every living organism is made up of one or more cells. When it comes time to graduate from high school or college, students will need to wear a cap and gown to participate in commencement. Thoracic cord. How do sponges differ from all other animals? Because a human egg lives no […] The migration macrophages and microglia to the site of the injury is the primary process of gliosis. The peripheral nervous system (PNS) connects the central nervous system (CNS) to sensory organs (such as the eye and ear), other organs of the body, muscles, blood vessels and glands. This cord is therefore essential for the nutrient/waste exchange between the fetal blood and the mother’s blood. The nervous system is made up of neurons, specialized cells that can receive and transmit chemical or electrical signals, and glia, cells that provide support functions for the neurons by playing an information processing role that is complementary to neurons. It forms a vital link between the brain and the body. A sensory neuron (sometimes called an afferent neuron) is a nerve cell that detects and responds to external signals. Code Biology. We strive to keep as many graduation cords and color options available and in stock as is possible to help meet your needs. Definition. Some examples include: The laminae of the thyroid cartilage: two leaflike plates of cartilage that make up the walls of the structure. In higher animals, organs are grouped into organ systems; e.g., the esophagus, stomach, and liver are organs of the digestive system. The evolution theory was discovered by Charles Darwin. ... contain tail, nerve cord, notochord, and pharyngeal slits. Internal anatomy of a crayfish: edible freshwater crustacean, with pincers on the two forelegs. Black Graduation Cords The coordination centre, such as the brain, spinal cord or pancreas, which receives and processes information from receptors around the body. Learn more about organs in this article. It is composed of an inner core of gray substance in which nerve cells predominate and an outer layer of white substance in … Plug definition is - a piece used to fill a hole : stopper. Fertilization, the joining of sperm and egg, typically occurs in the fallopian tube, after sperm have made the long swim up through the vagina, past the cervix, and through the uterus. The genetic code and the codes of culture have been known for a long time and represent the historical foundation of Code Biology. Meaning of Genetic Code: The genetic code may be defined as the exact sequence of DNA nucleotides read as three letter words or codons, that determines the sequence of amino acids in protein synthesis. Properties. Identify the two primary parts of the nervous system and describe the function and structure of neurons and glial cells. 9.36): Features of effects of hemisection of spinal cord have been tabulated in Table 9.3. Reflex, in biology, an action consisting of comparatively simple segments of behaviour that usually occur as direct and immediate responses to particular stimuli uniquely correlated with them. This is why once the silver cord is severed, the physical body has no choice but to die. Brainly is the place to learn. But, some students will also wear graduation stoles and cords. Injury to the nerves or spinal cord A physical trauma or injury, such as from a car accident or fall, is a common cause of injury to the nerves. Genetics - Genetics is the study of how organisms pass on features and traits from generation to generation. Heart: blood-pumping organ of the crayfish. The navel (or umbilicus) marks the point of its former attachment. Learn vocabulary, terms, and more with flashcards, games, and other study tools. spinal cord that part of the central nervous system lodged in the spinal canal, extending from the foramen magnum to the upper part of the lumbar region. Encephalon: site of the mental functions of a crayfish. Umbilical cord . Learn more. Define chord. Cervical cord. Extensor muscles: muscle that extends the tail of the crayfish. The spinal cord is divided into five different parts. Start studying Biology Root Words. It is used in both gross anatomy and microscopic anatomy to describe structures. Learn vocabulary, terms, and more with flashcards, games, and other study tools. It is the dendrite, cell body, and axon of a neuron within the brain or spinal cord. Biology (Single Science) Homeostasis and response. Types of Genetic Code 3. Gonad: sex gland of a crayfish. Injury, trauma and disease in the brain and the spinal cord trigger the process of gliosis. The evolution theory explains the how life developed from the start, by small genetic changes: Mutation: small genetic change that may change the life form metabolism and behavior. ... meaning that their bodies can be divided any way through the center point to yield two even halves. Prana is a Sanskrit term meaning “life.” Without Prana, or spirit, the physical body could not operate as it does. The silver cord has been described as being smooth, very long, very bright, like an elastic cable made of light, about an inch wide, sparkling like a tinsel on a Christmas tree, and attached to one of several possible locations on the physical body. The umbilical cord connects the foetus to the placenta, facilitating the transfer of materials. It is severed at birth. The following is a list of the colors that we can provide without any advance notice: Graduation Cord Colors. “1313 Spinal Cord Cross Section” By OpenStax – via Commons Wikimedia About the Author: Lakna Lakna, a graduate in Molecular Biology & Biochemistry, is a Molecular Biologist and has a broad and keen interest in the discovery of nature related things Gliosis occur after the astrocytes have proliferated. And in stock as is possible to help meet your needs Hemisection of spinal cord or,! 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