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1 ng and smaller eyes with a reduced number of ommatidia.
2 thereby resulting in the complete absence of ommatidia.
3 th Rh3 and Rh4 in the R7 cells of individual ommatidia.
4 nvolved in terminal differentiation of adult ommatidia.
5 chiral forms of the individual unit eyes, or ommatidia.
6 in a retina with a precise array of maturing ommatidia.
7 death is used to remove excess cells between ommatidia.
8 tors and the support cells that comprise the ommatidia.
9 ror-image fields of opposite chiral forms of ommatidia.
10 ecisely organized in elementary units called ommatidia.
11 e retina, and show a disturbed patterning of ommatidia.
12  ommatidia and component cells of individual ommatidia.
13 umbers of photoreceptor cells in some of the ommatidia.
14 n distinct photoreceptor cells of individual ommatidia.
15 vely, that straddle the growing wavefront of ommatidia.
16 tors, and together define the three types of ommatidia.
17 lls into position to form each new column of ommatidia.
18 ngular grid of photoreceptor clusters called ommatidia.
19 ion cooperatively activated TRPC channels in ommatidia.
20 tion at interommatidial boundaries in larger ommatidia.
21 k that regulates Rhodopsin expression across ommatidia.
22  a precisely ordered repetitive array of 800 ommatidia.
23  redundant role in maintaining separation of ommatidia.
24 lete separation of the cell from neighboring ommatidia.
25 ary and sufficient to maintain separation of ommatidia.
26 n of a rough eye produced by poorly arranged ommatidia.
27 dium, or contact R7 and/or R8 from different ommatidia.
28 oduce a near-perfect lattice of unit eyes or ommatidia.
29 n in the ventral eye is occupied by standard ommatidia.
30 ges to reposition inappropriately orientated ommatidia.
31 as expressed in the other seven cells of all ommatidia.
32 s of Drosophila regulates the orientation of ommatidia.
33 photoreceptors descending below the layer of ommatidia.
34 ls, which leads to the formation of aberrant ommatidia.
35 tion in register between adjacent columns of ommatidia.
36 f photoreceptors from dissociated Drosophila ommatidia.
37 cs and cell type specification in developing ommatidia.
38 -cell, patch-clamp recordings on dissociated ommatidia.
39  results in rough and larger eyes with fused ommatidia.
40 ophila melanogaster results in distortion of ommatidia accompanied by fluid discharge.
41 le in propagating the evenly spaced array of ommatidia across the developing Drosophila retina.
42 large-scale systematic size variation of the ommatidia across the eye of both wild-type and mutant an
43 eural tissue (central brain, optic lobes and ommatidia) across development in two sympatric Heliconiu
44 ate analogs of TJs, are present in the adult ommatidia and are formed between and among the cone and
45 ; they adopt asymmetrical positions in adult ommatidia and are the site of action for several essenti
46  and results in an increase in the number of ommatidia and component cells of individual ommatidia.
47 ye of the female M. viggianii consists of 29 ommatidia and contains 478 cells.
48 easured its fluorescence both in dissociated ommatidia and in vivo from intact flies of both sexes.
49 ndicate mutual preferential adhesion between ommatidia and IOCs mediated by four IRM proteins is both
50 tures that are both stereotypical among most ommatidia and specialized to some.
51  a horizontal stripe of one to three rows of ommatidia, and op8 is expressed in a fourth region in th
52 categories; the insulation of the individual ommatidia, and the insulation of the compound eye as a w
53 redisposition of dorsal cells to generate DR ommatidia appears to be endowed by the exclusive dorsal
54  most peripheral rows (including the DR) the ommatidia are bald.
55                               Two classes of ommatidia are distributed stochastically in the retina:
56 behaviors: inner photoreceptors R7+R8 of DRA ommatidia are necessary and sufficient for dorsal polaro
57                                          The ommatidia are omnidirectionally arranged along a hemisph
58                                    Many stbm ommatidia are reversed anteroposteriorly and/or dorsoven
59           In the Drosophila eye, neighboring ommatidia are separated by inter-ommatidial cells (IOCs)
60 nserved phylotypic stage when the unit eyes (ommatidia) are first patterned.
61  is made from hundreds of asymmetric subunit ommatidia arranged in a crystalline-like array with each
62  visual perspective of bees (6000 individual ommatidia arranged on 2 realistic eye surfaces) at over
63 ye and analyze the optical properties of the ommatidia as well as the connectome of the first visual
64 o the angular separation between two and six ommatidia at each edge of the expanding object on the lo
65                                              Ommatidia at the edge of the eye, which often lack the f
66         The fly retina contains two types of ommatidia, called 'pale' and 'yellow', defined by differ
67             The newly formed lattice grid of ommatidia cells are immobile, deflecting, and focusing t
68                                       Third, ommatidia characteristically project mechanosensory hair
69 e rhodopsins expressed in the two classes of ommatidia depends on a series of highly conserved homeod
70 l epithelium, organized in ~800 close-packed ommatidia, depends upon a fourfold condensation of the r
71  undifferentiated cells into clusters called ommatidia during late larval and early pupal development
72 e contains some 750 identical modules called ommatidia, each containing eight photoreceptor cells (R1
73  approximately 750 independently functioning ommatidia, each containing two photoreceptor subpopulati
74  The Drosophila eye is composed of about 800 ommatidia, each of which becomes dorsoventrally polarise
75 ies founding R8 photoreceptors of individual ommatidia, evenly spaced relative to one another in a pa
76 rphologically unique, polarization-sensitive ommatidia exist in the dorsal periphery of many insect r
77 hat spitz function is required in developing ommatidia for the first cell recruitment step, and that
78 include Drosophila neuronal differentiation, ommatidia formation in the compound eye, and wing hair p
79 ologous expression system and in dissociated ommatidia from compound eyes.
80                  They isolate the individual ommatidia from stray light, regulate the angular sensiti
81                             In addition, the ommatidia have an altered morphology and often contain a
82            We also show that if neighbouring ommatidia have overlapping receptive fields, spatial sum
83 e parallel alignment of hairs, bristles, and ommatidia in Drosophila have all served as model systems
84 elial structures, such as the wing hairs and ommatidia in Drosophila, are aligned in the plane of the
85 ped vision in the early Cambrian, over 2,000 ommatidia in each eye.
86 f photoreceptors and the organization of the ommatidia in living animals.
87                                              Ommatidia in the adult eye are aligned at right angles t
88 f minerals to the honey-comb organization of ommatidia in the compound eye of insects.
89  of two chiral forms, depending on position: ommatidia in the dorsal half of the eye adopt one chiral
90                             A narrow band of ommatidia in the dorsal periphery of the Drosophila reti
91 Several observations suggest that developing ommatidia in the Drosophila eye have distinct dorsal-ven
92 is evident in the coordinated orientation of ommatidia in the Drosophila eye.
93 mental defects, including reduced numbers of ommatidia in the eye and morphological bristle abnormali
94 or of planar polarity for hairs on the wing, ommatidia in the eye, and sensory bristles on the notum.
95 ator in the eye) could be interpreted by all ommatidia in the field.
96 originating from the six rows of specialized ommatidia in the stomatopod's eye, termed the midband.
97 lf of the eye adopt one chiral form, whereas ommatidia in the ventral half adopt the other.
98  in the third instar imaginal disc to 'lock' ommatidia in their final position, and that in its absen
99                                 Two types of ommatidia in which R7 and R8 contain different rhodopsin
100 egular hexagonal array morphology of facets (ommatidia) in the Drosophila compound eye is accomplishe
101 he anatomical organization of the Drosophila ommatidia is achieved by specification and contextual pl
102 tic coupling of Rh3 between R7 and R8 in DRA ommatidia is important for comparing celestial e-vector
103 le photoreceptor specification in the mutant ommatidia is largely normal, defects are observed in omm
104        The choice between pale versus yellow ommatidia is made in R7 cells, which then impose their f
105 ellular arrangements and orientations of the ommatidia is that they respond to two axes of polarized
106               Remarkably, many scute-induced ommatidia lack R8 although they contain outer photorecep
107  the dorsal and ventral fields of eye units (ommatidia) meet along the dorsoventral midline, forming
108 nt with the role of these factors in sorting ommatidia, mis-expression of Hbs plus Sns within a singl
109 , localized alignment of groups of cells and ommatidia morphogenesis coupled to neurogenesis.
110 d on a rough-eye phenotype with disorganized ommatidia observed in adult escapers of the hrp38 mutant
111 phila eye is a polarized epithelium in which ommatidia of opposing chirality fall on opposite sides o
112 e therefore homologous to the posterior-most ommatidia of the adult retina in primitive nonholometabo
113     The arrangement of photoreceptors in the ommatidia of the Drosophila compound eye is polarized, h
114 the eight photoreceptor cells in each of the ommatidia of the fly compound eye and the uniform orient
115 in a coordinated cellular movement, enabling ommatidia of the same stage to rotate simultaneously.
116                                      In some ommatidia, P360 or P470 was expressed in R1 and R2 oppos
117 roximate hollow hemisphere comprised of ~700 ommatidia, packed as tapering hexagonal prisms between a
118 isual system is highly simplified: it has 29 ommatidia per eye and 6 lamina neuron types.
119 gles to the equator, with dorsal and ventral ommatidia pointing in opposite directions.
120  dense array of individual imaging elements (ommatidia) pointing along different directions.
121 acostraca provide compound eyes populated by ommatidia revealing structures suggesting cone-building
122 eptors R3 and R4 adopt their fates, and then ommatidia rotate clockwise or counterclockwise in accord
123 cadherin promotes rotation, as DE-cad mutant ommatidia rotate less than wild type or not at all.
124 c mutations known is roulette (rlt) in which ommatidia rotate to a random degree, often more than 90
125 a motor protein, regulates the rate at which ommatidia rotate: in zip mutants, the rate of rotation i
126 adherins act to restrict this movement, with ommatidia rotating too fast in the mutants.
127 rigin; newly born columns of differentiating ommatidia serve as a template to spatially pattern flows
128 hat a duplication of R7->Dm circuitry in DRA ommatidia serves as an ideal adaptation for detecting li
129  spectral and polarization sensitive midband ommatidia show some specializations not found in the lam
130 n karst mutant eyes, a significant number of ommatidia specifically lack photoreceptor R7 alongside m
131                           Analysis of mosaic ommatidia suggests that no specific photoreceptor must b
132 rim area of the eye in M. viggianii contains ommatidia that are believed to be specialized in polariz
133 1, causes depigmentation and degeneration of ommatidia that are rescued by expression of either dBip
134 y interior to the PR lie the dorsal rim (DR) ommatidia that are specialized polarized light detectors
135 rosophila eye is composed of several hundred ommatidia that can exist in either of two chiral forms,
136 e ommatidium (unit eye) or between different ommatidia that contain spectrally distinct inner photore
137  cells that previously surrounded peripheral ommatidia that subsequently died.
138                                In Drosophila ommatidia, the junctional organization and barrier forma
139 osophila retinal mosaic are expressed in DRA ommatidia, the role of Hth in this transcriptional netwo
140 ecification culminates in differentiation of ommatidia through the activities of the proneural gene a
141 sion process is templated by recently formed ommatidia to propagate a molecular prepattern across the
142 ls: cadherin-based adhesion is important for ommatidia to remain in their appropriate positions.
143 e support cells that lie between the retinal ommatidia--to better understand the role of Dpp signalin
144                                              Ommatidia (unit eyes) are classified into two subtypes,
145 nsitive Rhodopsin proteins in three types of ommatidia (unit eyes), which are distributed stochastica
146 h activates its own expression in peripheral ommatidia via a positive feedback loop.
147 rescent protein translocation in dissociated ommatidia, we show that translocation is profoundly slow
148                               In the nymphs, ommatidia were smaller and photoreceptors were on averag
149 ly populated by imaging elements (artificial ommatidia), which are comparable in number (180) to thos
150 n the ato(1) mutant induces the formation of ommatidia, which occasionally sprout ectopic macrochaeta
151 tors leads to an extra photoreceptor in many ommatidia, while ectopic expression of Dip3 in non-neuro
152 ed, forward pointing fovea ( approximately 5 ommatidia wide, interommatidial angle Deltaphi = 0.28 de
153 -terminal domain, led to progressive loss of ommatidia with remarkable signs of neurodegeneration.
154 dization and found to contain three kinds of ommatidia with respect to their patterns of short wavele
155            Remarkably, however, mosaic pupal ommatidia with three or fewer Dip3(+) photoreceptors alw
156  influenced by the internal structure of the ommatidia, with cells of greater relative mechanical sti
157 etinas into homogeneous fields of UV/UV-type ommatidia, with corresponding changes in other coordinat

 
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