How To Use Chiasma In A Sentence
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This surface is bounded behind by a ridge, which forms the anterior border of a narrow, transverse groove, the chiasmatic groove (optic groove), above and behind which lies the optic chiasma; the groove ends on either side in the optic foramen, which transmits the optic nerve and ophthalmic artery into the orbital cavity.
II. Osteology. 5a. 5. The Sphenoid Bone
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In most meioses, every chromosome pair, no matter how small, sustains at least one crossover - a so-called obligate crossover or obligate chiasma.
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[1890] He impressed him as a chiasma, i.e., in the form of the letter ch upon the universe.
ANF01. The Apostolic Fathers with Justin Martyr and Irenaeus
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Shakespeare's is an interesting line, but a good chiasma is a literary firework -- an "OH!" moment -- and Bill Clinton's delivered a great one Wednesday night:
John Lundberg: The Poetry Of A Political Speech
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While this system operates efficiently when only a single pair of achiasmate chromosomes is present, multiple pairs of large chromosomes cannot be distinguished.
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ANS is largely under hypothalamic control which is situated very close to optic chiasma sixth chakra or ajna chakra.
Science Fiction, Fantasy, Horror: An Undefeated Spiritual Tag-team - Mike Resnick
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Mutants in all three meiotic genes display diakinesis oocytes containing 12 individual DAPI - stained bodies corresponding to achiasmate univalent chromosomes.
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It is of the first magnitude to strictly manage the yellow route of the section of a highway , especially at chiasma.
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ANS is largely under hypothalamic control which is situated very close to optic chiasma sixth chakra or ajna chakra.
Science Fiction, Fantasy, Horror: An Undefeated Spiritual Tag-team - Mike Resnick
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In this early poem – the first one in his Selected Poems – Heaney uses a rhetoric figure that for a considerable period would be his trademark: the 'chiasma', or crossing of themes.
This Is Not a Spade: The Poetry of Seamus Heaney
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Melatonin is produced and secreted by the pineal gland, whose activity is regulated by the suprachiasmatic nuclei.
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Behind the chiasmatic groove is an elevation, the tuberculum sellæ; and still more posteriorly, a deep depression, the sella turcica, the deepest part of which lodges the hypophysis cerebri and is known as the fossa hypophyseos.
II. Osteology. 5a. 5. The Sphenoid Bone
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The parts of the brain included within this arterial circle are the lamina terminalis, the optic chiasma, the infundibulum, the tuber cinereum, the corpora mammillaria, and the posterior perforated substance.
VI. The Arteries. 3b. The Arteries of the Brain
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This cohesion or ‘chiasma binder’ function ensures the generation of a bipolar spindle in which tension is generated at the kinetochores.
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The absence of chiasmata can readily account for the observed defect in meiotic chromosome segregation.
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Various forms of a gene at a given locus are called chiasmata alleles autosomes loci chromatids
Yahoo! Answers: Latest Questions
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After this, the chromosomes cross over at certain points called chiasmata, where they exchange genetic material and create different combinations.
CreationWiki - Recent changes [en]
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In front, the cisterna interpeduncularis extends forward across the optic chiasma, forming the cisterna chiasmatis, and on to the upper surface of the corpus callosum, for the arachnoid stretches across from one cerebral hemisphere to the other immediately beneath the free border of the falx cerebri, and thus leaves a space in which the anterior cerebral arteries are contained.
IX. Neurology. 4g. The Meninges of the Brain and Medulla Spinalis
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The floor slopes downward and forward and is formed mainly by the structures which constitute the hypothalamus: from before backward these are: the optic chiasma, the tuber cinereum and infundibulum, and the corpora mammillaria.
IX. Neurology. 4c. The Fore-brain or Prosencephalon
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However, in the mouse, cytogenetic examination of chiasmata at diakinesis has been widely used to study genetic recombination.
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During meiosis, homologous chromosomes become physically connected by the formation of chiasmata.
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Rather, he allows the vision to remain the act, his eyes palpating with glee that fine, attentive flesh — a chiasmatic molestation, as Merleau-Ponty would have it. 1 Academics justify with awkward style.
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The fibers thus form an X shape; and the structure is the optic chiasma (ky~az'muh), because the Greek letter "chi" looks like our X (see illustration, p. 274).
The Human Brain
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It is bounded in front by the posterior margins of the small wings of the sphenoid, the anterior clinoid processes, and the ridge forming the anterior margin of the chiasmatic groove; behind, by the superior angles of the petrous portions of the temporals and the dorsum sellæ; laterally by the temporal squamæ, sphenoidal angles of the parietals, and great wings of the sphenoid.
II. Osteology. 5d. The Interior of the Skull
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However, the observed differences may be conditional on the chromosomal location of the chiasmata.
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All of us bristol cheap flights that is jaggedly a nortriptyline of hollow, pursuing is chiasmatic to nebo a new lubberly and he is unopposed too.
Rational Review
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The Hypothalamus (Fig. 720) includes the subthalamic tegmental region and the structures forming the greater part of the floor of the third ventricle, viz., the corpora mammillaria, tuber cinereum, infundibulum, hypophysis, and optic chiasma.
IX. Neurology. 4c. The Fore-brain or Prosencephalon
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Finally, one of my favorite poetic and rhetorical tricks is the chiasma.
John Lundberg: The Poetry Of A Political Speech
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Since individual univalents or bivalents in some nuclei may lie too close to each other to be resolved unambiguously, this method underestimates the frequency of achiasmate chromosomes.
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First, it generates crossovers between homologous chromosomes that mature into visible chiasmata.
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Crossing over The exchange of material between homologous chromatids by the formation of chiasmata.
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The limbic system and hypothalamus are important because of roles in reproduction; specific nuclei show sexual dimorphism on postmortem studies bed nucleus of the stria terminalis, suprachiasmatic nucleus, and the interstitial nucleus of the anterior hypothalamus , although it is unknown when these differences emerge.
It's Easier to make a Hole than a Pole
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Recombination events are often visible as structures known as chiasmata that physically connect two homologous chromosomes during prophase I.
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The participants were very enthusiastic and excited about his chiasmatic division of the book of Revelation which helps in the understanding of this difficult book of the New Testament.
Archive 2010-02-01
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Twelve univalent chromosomes are visible in this diakinesis-stage nucleus, indicating an absence of chiasmata.
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The cells of the suprachiasmatic nucleus send signals to other parts of the brain, especially the pineal gland, initiating hormonal and nerve signals that synchronize the body and the brain to the biological clock.
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Late prophase I. nuclear envelope dissolves nucleolus completely disappears crossing over of chromatids within bivalents may occur to form a chiasma (pl. chiasmata) spindle is formed at end
Conservapedia - Recent changes [en]
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In nonterminal regions, the distribution was roughly bimodal with a low number of chiasmata in an interstitial position and an even lower one in the centromeric and subterminal segments.
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A given factor s can affect the recombination rate r through a change in the number of chiasmata occurring during meiosis.
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However, maps generated using molecular markers often have greatly inflated lengths compared with those predicted from chiasma counts.
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Genetic background, heterosis, and sex differences can all have profound effects on chiasma and recombination frequencies.
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It revealed why crossing-over should be suppressed between the centromere and the nucleolus organizer in organisms in which chiasmata terminalize, from the initial loaction of a crossover to the end of the arm of the chromosome.
Nobel Lecture The Significance of Responses of the Genome to Challenge
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Chiasmus. com is a site devoted to cataloging and discussing chiasmatic phrases:
Boing Boing: April 13, 2003 - April 19, 2003 Archives
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The tuber cinereum is a hollow eminence of gray substance situated between the corpora mammillaria behind, and the optic chiasma in front.
IX. Neurology. 4c. The Fore-brain or Prosencephalon
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Certainly, elects specialized also to choose segmentations as far as possible, the type of chiasma, the practical specialty.
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For F59A1.7, affected worms exhibiting a high frequency of achiasmate chromosomes at diakinesis also had abnormally large nuclei at the pachytene stage, earlier in meiotic prophase.
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It is enough to induce chromosome breakage should the terminalization process be blocked before the terminalizing chiasma reaches the end of the arm of a chromosome.
Nobel Lecture The Significance of Responses of the Genome to Challenge
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Genetic recombination is absent and no chiasmata are formed in bivalents.
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The floor of the anterior fossa is formed by the orbital plates of the frontal, the cribriform plate of the ethmoid, and the small wings and front part of the body of the sphenoid; it is limited behind by the posterior borders of the small wings of the sphenoid and by the anterior margin of the chiasmatic groove.
II. Osteology. 5d. The Interior of the Skull
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Behind this is the anterior margin of the chiasmatic groove, running lateralward on either side to the upper margin of the optic foramen.
II. Osteology. 5d. The Interior of the Skull
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Feingold E, Savage A, Avramopoulos D, Freeman S, et al. (1997) Characterization of susceptible chiasma configurations that increase the risk for maternal nondisjunction of chromosome 21.
PLoS ONE Alerts: New Articles
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A chiasma so located starts its terminalization process to reach the end of the arm.
Nobel Lecture The Significance of Responses of the Genome to Challenge
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The middle part of the fossa presents, in front, the chiasmatic groove and tuberculum sellæ; the chiasmatic groove ends on either side at the optic foramen, which transmits the optic nerve and ophthalmic artery to the orbital cavity.
II. Osteology. 5d. The Interior of the Skull
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Because the optic chiasma had been cut, using their left eye they were unaware of the left half of the field of view of the screen the virtual image is reversed.
3D Avatar vs. 2D Avatar, and the Importance of Aspect Ratios | /Film
