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...pporting axis of the body and protects the spinal cord . Full article >>> vertebral column Spinal cord or backbone; the series of vertebrae surrounding the spinal cord . Covered in Lab 13 Animal Dive...... ventral side of the vertebrate brain or spinal cord , containing the motor nerves . Full article ...; AKA: ventral horn Gray matter in the spinal cord that contains motor nerve cell bodies. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... F...... ventral side of the vertebrate brain or spinal cord , containing the motor nerves . Full article ...spinal nerve that carries impulses to the spinal cord ; ventral root carries impulses from the cord Source: Noland, George B. 1983. General Biology , 1...umbilical cord cord composed of blood vessels and connective tissue s that connects the fetus with the mother Sourc......on a plant 's guard cell s to open. U umbilical cord : the source of attachment of the fetus to the maternal blood supply. Full article >>> turgor pressure [L. turgere, to swell] The force directed against a cell wall after the influx of water and the swelling of a walled cell du...... extraembryonic membranes placenta umbilical cord amnion ... Full article >>> trophoblast : a layer of cells that forms after fertilization ; projections from the trophoblast form vessels , which merge with maternal blood vessels to form the placenta . tropism : the ben......e any of numerous nerves that leave the spinal cord , one pair in each segment , each being connected with the cord by a dorsal and a ventral root . Full article >>> The Spinal Nerve s All of the ...Spinal cord motor neuron s control voluntary movement by rel... muscle s. Full article >>> spinal cord and brain The spinal cord conducts sensory information from the peripheral nervous system (b......ision cycle in which DNA is replicated. spinal cord : the white cord of tissue passing through the bony tunnel made by the vertebrae. Full article >>> I......s located on either side of the developing spinal cord which arise from the dorsal mesoderm . Full article >>> somite s Mesoderm al structures formed during embryo nic development that give rise to segment ed body parts such as the muscle s of the body wall. special sense s Visio......s located on either side of the developing spinal cord which arise from the dorsal mesoderm . Somite s will differentiate into: the sclerotome which forms part of the axial skeleton , ... Full article >>>...... to processing centers in the brain and spinal cord . Neuron s carrying message s from sensory receptor s to the spinal cord . Full article >>> Mechanoreceptors sensory neurons stimulated by physical means su......s located on either side of the developing spinal cord which arise from the dorsal mesoderm . Full article >>> DNA sequencing : Determining the order of bases in a segment of DNA . Domi nant gene : A gene which, when present on a chromosome , passes on a certain physical c......the body, as they are suspended by the sperm atic cord and within the scrotum . Full article >>> Each vas deferens is cut near the top of the scrotum . can be done in the doctor's office, with a local anesthetic, in 30-40 minutes Testosterone secretion by the testes is not inhibite......in the central nervous system (brain and spinal cord ). Astrocytes. Full article >>> Schwann cells a chain of supporting cells enclosing the axons of many neuron s and forming an insulating layer called the myelin sheath . sciatic nerve composed of spinal nerve s VII, VIII, IX......ision cycle in which DNA is replicated. spinal cord : the white cord of tissue passing through the bony tunnel made by the vertebrae. Full article >>> T......at travel via the sensory neurons to the spinal cord . Full article >>> reflex arc Pathway of neuron s, effector(s) and sensory receptor s that participate in a reflex. region of division The area of cell division in the tip of a plant root. PICTURE ... Full article >>......the closest larger bulge at the top of the spinal cord ( pons = bridge) Population a group of the same species of organ ism in the same area at the same time (populus = the people) ... Full article >>> hindbrain Includes the medulla oblongata , cerebellum , and pons . Hirudin......the closest larger bulge at the top of the spinal cord ( pons = bridge) ... Full article >>> polysaccharide A large carbohydrate molecule with a chainlike or branched structrure composed of many monosaccharides . Functions in storage (ex. starch , insulin , glycogen ) or struc......yonic membranes form a placenta and umbilical cord , which connect the embryo to the mother's uterus in a more elaborate and efficient way. Full article >>> placental mammals : mammals that have a nutritive connection between the embryo and the mother's uterine wall. plant ho......yonic membranes form a placenta and umbilical cord , which connect the embryo to the mother's uter...d gain nutrition via a placenta and umbilical cord ( placenta = a round flat cake) ... Full article >>> AKA: placenta l lactogen a ......ulge between the pons and the top of the spinal cord (medull = marrow pith ) Meiosis a special cell division resulting in sex cells with half as many chromosomes (meio = less; -sis = the act of) ... Full article >>> Parenchyma cells also occur within the xylem and phloe......ion of nerves that connect the brain and spinal cord to other parts of the body and the external envi... system that lie outside of the brain and spinal cord . peripheral protein A protein on the surface of a biological membrane. Full article >......ion of nerves that connect the brain and spinal cord to other parts of the body and the external environment . Full article >>> peptides Two or more amino acids linked by a peptide bond . perception The ana lysis and interpretation of sensory information. Full article >>......ion of nerves that connect the brain and spinal cord to other parts of the body and the external environment . Full article >>> peptide bond . A bond that binds amino acids together into a poly peptide chain, formed by removing an OH from the carboxyl group of one amino acid ......ion of nerves that connect the brain and spinal cord to other parts of the body and the external environment . Full article >>> PCR .See polymerase chain re action . peanut worms Burrowing invertebrates with an unsegmented body and an anterior end that can be pulled into the body......62;>> notochord dorsal hollow nerve cord post-anal tail, and a series of paired branchial...esoderm and located between the gut and the nerve cord in all chordate embryo s. Full article >>> notochord An elongated cellular cord,......in the central nervous system (brain and spinal cord ). Astrocytes. These — often star-shaped — cells are clustered around synapse s and the nodes of Ranvier where they perform a ... Full article >>>......ula tion. It will later form the brain and spinal cord of the animal . Full article >>> The midline neural plate cells in birds derived from the anterior midline of Hensen's node and epiblast region that are involved in the intial bending of the neural plate during neurula tion. ......ervous system but are not in the brain or spinal cord ; usually associated with supplying sensation or m... X Y Z ... Full article >>> Spinal cord motor neuron s control voluntary movement by relaying message s that arrive from upper brain ce......ula tion. It will later form the brain and spinal cord of the animal . Full article >>> ...he central nervous system , including the spinal cord , skull and brain, resulting from failure of the neural tube to properly close during fetal develo......ula tion. It will later form the brain and spinal cord of the animal . Full article >>> ...he central nervous system , including the spinal cord , skull and brain, resulting from failure of the neural tube to properly close during fetal deve...... (PNS). The CNS consists of the brain and spinal cord . Full article >>> A regulatory sys...rvous System (CNS) includes the brain and spinal cord . Full article >>> 34 The Nervous System : Neuron s 35 The Nervous System : Orga......ults from altered fetal development of the spinal cord , part of the neural plate fails to join together and bone and muscle are unable to grow over this open section. Full article >>>...... system that lie outside of the brain and spinal cord . peripheral protein A protein on the surface ...he hind leg. Full article >>> nerve cord -- Primary bundle of nerves in chordates , which connects the brain to the major muscle s and o......ons that extend out along each side of the spinal cord ; the sites of axons of the sensory and motor neu...uron that typically contains the nucleus . nerve cord A long , compact bundle of nerve cells that is part of the central nervous system . Full articl...nerve chord : also called a spinal cord ; a hollow structure that extends the length of the animal just above the notochord . nerve impulse : an electrochemical event that occurs within the neuron . Full article >>> : A major phylum in the Kingdom Animalia . A c......ons that extend out along each side of the spinal cord ; the sites of axons of the sensory and motor neu... ventral side of the vertebrate brain or spinal cord , containing the motor nerves . Full article >>>......s located on either side of the developing spinal cord which arise from the dorsal mesoderm . Somite s will differentiate into: the sclerotome which forms part of the axial skeleton , the myotome which forms muscle and the ... Full article >>>......ation) ... Full article >>> Spinal cord motor neuron s control voluntary movement by relaying message s that arrive from upper brain centres to the innervated muscle s. Full article >>> The loss of muscle coordination that people with multiple sclerosis face is due to ...Spinal cord motor neuron s control voluntary movement by rel...at trans mits impulses from the brain and spinal cord to muscle s or glands. Full article >>> motor neuron A nerve cell that trans m......at trans mits impulses from the brain and spinal cord to muscle s or glands. Full article >>> morula The solid-ball stage of the pre-emplantation embryo . PICTURE mosaic evolution A pattern of evolution where all features of an organ ism do not evolve at the same rate. Full art......the closest larger bulge at the top of the spinal cord ( pons = bridge) ... Full article >>> disaccharide Sugar consisting of two monosaccharides ; example: sucrose is composed of glucose and fructose . Full article >>> A large carbohydrate molecule with a chainli...... it forms a cap on the anterior end of the spinal cord , extending to about the middle of the brain. bryo...al nerve s Pathways from the brain to the spinal cord ... Full article >>> An area of the brain composed of the cerebellum , medulla an......on Agency. Full article >>> Spinal cord motor neuron s control voluntary movement by relaying message s that arrive from upper brain centres to the innervated muscle s. Full article >>> Answers the class room phone and takes message s when necessary and passes out scie......e three membranes covering the brain and spinal cord (sing = meninx; meninx = a membrane) ... Full article >>> Usually refers to diseases that are inherited in a Mendel ian fashion, although noninherited forms of cancer also result from DNA mutation . Genetic drift . Random var......e three membranes covering the brain and spinal cord (sing = meninx; meninx = a membrane) Meningitis ...mbrane]. Membranes surrounding brain and spinal cord that have a protective function. Full article >>> [Gr. hypo - under, beneath; Gr. bl......f the hindbrain dorsal to the anterior spinal cord that controls autonomic, homeostatic functions, i... medulla looks like a swollen tip to the spinal cord . Nerve impulse s arising here ... Full article >>> medulla oblongata Portion of t......f the hindbrain dorsal to the anterior spinal cord that controls autonomic, homeostatic functions, i... stem located between the pons and the spinal cord . medulla The inner portion of an organ in contrast to the cortex or outer portion. Also, hin......m the thoracic and lumbar regions of the spinal cord ; also called thoraco lumbar division . Full article >>> azygous vein - one of a system of veins that drain the thoracic and abdominal walls; arises as a continuation of the right ascending lumbar vein and terminates in the supe...islets of Langerhans brain and spinal cord The list of the latter molecule s may not be as large as we once thought. Full article >>> islets of Langerhans : clusters of cells that make up the endocrine portion of the pancreas . J jejunum : the second 10 inches of the sm......n s These are found exclusively within the spinal cord and brain. They are stimulated by signals reachin...ron s and carries stimuli in the brain and spinal cord . Full article >>> interneuron A neuron located between a sensory neuron and a ......ron s and carries stimuli in the brain and spinal cord . Full article >>> The blastocyst has an outer layer of cells , and inside this hollow sphere, there is a cluster of cells called the inner cell mass . The cells of the inner cell mass will go on to form virtually all of the ...... it forms a cap on the anterior end of the spinal cord , extending to about the middle of the brain. bryo...nt of our hindbrain , especially, and our spinal cord . Full article >>> The cerebellum is the third part of the hindbrain , but it is n......al nerve s Pathways from the brain to the spinal cord The meninges of the brain and medulla spinalis ... Full article >>> The ventral part of the vertebrate forebrain ; functions in maintaining homeostasis , especially in coordinating the endocrine and nervous system s; secretes ......spinal nerve that carries impulses to the spinal cord ; ventral root carries impulses from the cord Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Ful......nds the length of the body), dorsal hollow nerve cord (a fluid-filled tube that runs the length of the b...olution ary trends occur in chordate s : spinal cord , continuation of cephalization in the form of larger and more complex brains, and development of ......evolution ary trends occur in chordates : spinal cord , continuation of cephalization in the form of larger and more complex brains, and development of a more elaborate nervous system . Full article >>> Chordates ( Phylum Chordata) During their embryo nic development, all chordate......r cortex to other parts of the brain and spinal cord . The pyramidal nerve cells play a key role in performing highly skilled movements. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... Full article >>> All body cells , except the reproductive cells . explained: Listen to a de......tem ; centers are located in the brain and spinal cord Source: Noland, George B. 1983. General Biology ...d in anterior and posterior parts of the spinal cord . Full article >>> homeostasis - metabolic equilibrium actively maintained by sev...
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