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Cord in Biological Dictionary

Umbilical cord

... In placental mammals, the umbilical cord is the connecting cord from the developing embryo or fetus to the ... During prenatal development, the umbilical cord comes from the same zygote as the fetus and ...

Spinal nerve

... Nerves run from a specific level of the spinal cord to a specific ... lumbar, and 5 sacral vertebrae ... nerves . ... The Nervous System - Spinal cord and Peripheral Nerves ... The spinal nerves ... anatomy and back pain, including the spinal cord and spinal nerve roots, by ... spinal ...

Spinal cord

... The spinal cord is a long, thin, tubular bundle of nervous ... extends from the brain. The brain and spinal cord together make up the central nervous system. ... within, and protected by, ... Spinal cord injuries cause myelopathy or damage to white ...

Nodule

... of legumes that house symbiotic ... A vocal cord nodule is a mass of tissue that grows on the ... a chest x-ray or CT scan. More about Vocal cord Nodules and Polyps: Causes and symptoms Diagnosis Treatment Prognosis Prevention Resources Vocal cord Nodules and Polyps nodule n. A small ...

Nerves

... Pinched Nerves Cause Back and Neck Pain. Spinal cord Injury. Spinal cord Injury Treatments ... Nerves are what sense ... ... Introduction to How Nerves Work. The Spinal cord and Neurons ... Nerves are what sense the ...

Nerve chord

... anatomy and back pain, including the spinal cord and spinal nerve roots, by Spine-health. ... Spinal cord and Spinal Nerve Roots. Back Muscles and Low ...... slits, dorsal nerve ... Dorsal nerve cord is a hollow tube lying dorsal to the notochord ...

Tendon

... causes, treatment of ... The Achilles tendon is a large, strong fibrous cord that ... In most cases Achilles tendon pain is the result of ... Word of the Day, and word games. achilles tendon ... a strong cord joining a muscle to a bone etc He has damaged a tendon in his leg. ... ...

Nerve roots

... Doctors use the term ... The nerve roots are branches of the spinal cord that carry signals to the rest ... of the dermatomal distribution of the ... as ... Spinal nerve roots , arising from both sides of the spinal cord at each vertebral ... Nerve root blocks were developed as a means ...

Medulla

... Gray, Henry. 1918. Anatomy of the Human Body. IX. Neurology. 3. The Spinal cord or Medulla Spinalis ... The medulla spinalis or spinal cord forms the elongated, ... Shop for Bjork - Medulla Videos at mySimon. ...

Allantois

... associated ... The allantois will become the umbilical cord whilst the chorion, ... As the allantois grows, it acquires an outer ... refers to the epiblast and the hypoblast, evolved from the ... Umbilical cord (Umbilical artery, Umbilical vein, Wharton's jelly) · Allantois ... .....

Vertebral column

... the sacrum, intervertebral discs, and the coccyx situated in the dorsal aspect of the torso, separated by spinal discs. It houses the spinal cord in its spinal canal. A vertebra is an individual bone in the flexible column that defines vertebrate animals, via humans. The vertebral column ...

Ventral root

... nervous system); efferent neurons (carrying motor impulses away from the central nervous system) are present in the ventral root ganglia. spinal cord structure ( in human nervous ... This efferent transmission is predominantly conducted through the ventral root . The dorsal root ...

Transverse

... the ... Online Medical Dictionary and glossary with medical definitions ... Transverse myelitis may be caused by viral infections, spinal cord injuries, ... Transverse myelitis — Comprehensive overview covers symptoms, complications, treatment of this ... Pain associated with ...

Transposition

... treatment, causes, patient stories, videos, forums, prevention, and prognosis. Omental Transposition : A promising method for treating spinal cord injuries. ... Omentum Transposition . Health And Healing - Medical Heroes. Health And Healing ... ...

Stem cell

... goals of the UCR Stem Cell Center is to provide the members of the community ... Stem cell news about treatments and sources, including cord blood stem cells . ... President Barak Obama Reverses Bush's Stem Cell Policies. March 9, 2009 ... STEM CELL RESEARCH ... Stem cell ...

Sensory neurons

... sensory neurons in your skin detect the heat, they send messages to ... The cell bodies of the sensory neurons leading to the spinal cord are located in ... by interneurons, although some are stimulated directly by sensory neurons . ... Sensory neurons may not regenerate, so ...

Scrotum

... -- enlarged veins in the scrotum that carry blood away from ... Hydrocele ... A hydrocele is a fluid-filled sack along the spermatic cord within the scrotum . ... doctor usually finds an swollen scrotum that is not tender. ... Scrotum - Definition of Scrotum at Dictionary.com ...

Sciatic nerve

... Symptoms and causes of sciatic pain in the sciatic nerve The sciatic nerve is formed by the nerve roots coming out of the spinal cord ... Branches of the sciatic nerve extend through the buttocks and down the back of ... sciatic nerve is accompanied by PFCN & by ...

Oxygenated blood

... with the newly oxygenated blood , the mitral valve remains closed. ... Oxygenated blood returning from the mother enters the umbilical cord in utero ... In the fetus, this is how red oxygenated blood is normally pumped through the body. ... Identify oxygenated blood by its red ...

Notochord

... Notochord - Wikipedia, the free encyclopedia ... Notochord . • Skeletal structure in ALL chordate embryos ... No trace of notochord , nerve cord or tail (but there are pharyngeal slits) ... ...

Neuroscience

... in basic and clinical neuroscience . The world's largest organization of scientists and physicians dedicated to understanding the brain, spinal cord and peripheral nervous system. Neuroscience includes the study of brain development, sensation and perception, ... Only in recent decades has ...

Neuroglia

... .] glial gli ' al adj. ... Neuroglia ; the supporting cells of the central nervous system, made up of ... Neuroglia - Image 4: Spinal cord white matter, stained with Luxol Blue. ... Neuroglia - Image 8: ... Neuroglia - Image 9: Bovine sympathetic trunk, ... Definition of ...

Nervous system

... subsystems: the sympathetic and parasympathetic nervous system . ... The central nervous system includes the brain and the spinal cord which are ... The nervous system of the human being is responsible for sending, receiving, and ... The Central Nervous System which has ...

Muscle contraction

... (also known as a muscle twitch or simply twitch) occurs ... Voluntary muscle contractions are initiated in the brain, while the spinal cord ... This, as you will see, is a key step in muscle contraction . ... Each of these 3 proteins plays a key role in muscle contraction : ......

Motor neuron

... The upper motor neuron axon extends all the way from the brain down to the ... The axons of these lower motor neurons then exit the spinal cord via the Ventral ... ... or inhibitory effects on motor neurons ... connections with motor . neurons ( flexor muscles) neurons ( ...

Interneuron

... Word of the Day, and word games. interneuron synonyms. interneuron usage examples ... ascend: Ascending interneuron seen in spinal cord viewed from left side ... near interneuron ... Psychology research, information, analysis and reviews from Psychology Journals, Newspapers, and ...

Intercostal muscles

... intercostal muscle 10 days ago. ... make up the deepest intercostal muscle layer. transversus thoracis ... intercostal muscles , spinal cord and vertebral column, deep back muscles , skin ... The internal intercostal muscles attach to the shafts of the ribs and their ... the same ...

Hindbrain

... ) is a developmental categorization of portions of the central nervous system in vertebrates. Introduction Forebrain Midbrain Hindbrain Spinal cord Cerebral Vasculature ... Disorders that affect the hindbrain . Region. Disorder. Cerebellum. Medulla ... hindbrain . back. The area of the brain ...

Circulatory system

... our little journey through the circulatory system . ... 1 Closed circulatory system : overview in vertebrates. 1.1 The brain, spinal cord and eye ... The Circulatory System , a comprehensive overview ... Looks at peoples' perceptions of the circulatory system through time, ...

Chordate

... wall encasing a gut, with a space between ... Chordates derive their name from one of their synapomorphies, or derived ... The chordate nerve cord is hollow, with pairs of nerves branching from it at ... Image: Pikaia a possible chordate from the Early Cambrian Burgess Shale. ... ...

Bone cell

... to observe bone cells in their natural context. ... The most stringent classification of a bone cell is to limit ... Bone Marrow and cord Blood Stem Cell Transplant ... At the bone marrow transplantation for sickle cell anemia national collaborative ... Much of the cellular ...
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