منابع مشابه
Lola regulates midline crossing
In each hemisegment of the developing Drosophila ventral nerve cord, the axons of ~20% of the 350 or so embryonic interneurons grow longitudinally on the same side of the midline where their cell bodies lie; they never cross the midline of the CNS (Schmid et al., 1999). In part, this pattern of axon growth reflects the existence of molecular forces that repel axons away from the midline (Klambt...
متن کاملAxon guidance: Crossing the midline
Neurons that connect the two sides of the nervous system project their axons across the midline. New studies provide evidence for a conserved gatekeeping mechanism that controls this midline crossing.
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Odontogenic cysts are the most commonly occurring cysts in the jaws and are the reason for the radiolucent appearances. The radicular cyst is a type of an infl ammatory cyst, caused due to pulpal necrosis followed by trauma or caries, with an associated infl ammatory response at the periapical region. Many a times it is diffi cult to diff erentiate from other bony lesions and it poses diagnosti...
متن کاملRevisiting the Factors Underlying Maxillary Midline Diastema
Aim. The aim of this study is to analyze the etiological factors underlying the presence of maxillary midline diastema in a sample of orthodontic patients. Materials and Methods. One hundred patients who fulfill the inclusion criteria were selected from 1355 patients seeking orthodontic treatment. The pretreatment orthodontic records were analyzed. The width of the maxillary midline diastema wa...
متن کاملMolecular mechanisms controlling midline crossing by precerebellar neurons.
Precerebellar neurons of the inferior olive (IO) and lateral reticular nucleus (LRN) migrate tangentially from the rhombic lip toward the floor plate following parallel pathways. This process is thought to involve netrin-1 attraction. However, whereas the cell bodies of LRN neurons cross the midline, IO neurons are unable to do so. In many systems and species, axon guidance and cell migration a...
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ژورنال
عنوان ژورنال: IBRO Reports
سال: 2019
ISSN: 2451-8301
DOI: 10.1016/j.ibror.2019.07.163