ライフサイエンスコーパス: ommatidium

1 have a second R7-like photoreceptor in each ommatidium.

2 on and their asymmetric positions within the ommatidium.

3 ves retinotopy down to the level of a single ommatidium.

4 er photoreceptors (R8s) for each unit eye or ommatidium.

5 uited cells as they are added to the growing ommatidium.

6 and R8 photoreceptor cells present in every ommatidium.

7 ity gradient of the cadherin Fat within each ommatidium.

8 initiate differentiation of each Drosophila ommatidium.

9 ties of the R3/R4 photoreceptor pair in each ommatidium.

10 recruits other photoreceptor neurons to the ommatidium.

11 ulating adherens junctions of the developing ommatidium.

12 chiral pattern of the remaining cells of the ommatidium.

13 the founder R8 photoreceptor cells for each ommatidium.

14 y the diverse cell types that constitute the ommatidium.

15 odelling events required to generate the fly ommatidium.

16 Depending on the decision taken, the ommatidium adopts either the dorsal or ventral chiral fo

17 itially produced by the central cells in the ommatidium and diffuses over a small distance.

18 sed system, in which rhabdomeres within each ommatidium are fused to each other, thus sharing the sam

19 In the Drosophila eye, the outer PRs of each ommatidium are involved in motion detection while the in

20 stem, in which the seven rhabdomeres of each ommatidium are separated from each other and function as

21 The R3 and R4 photoreceptors in each ommatidium are vital in this polarity; they adopt asymme

22 Mosaic analysis indicates that stbm is ommatidium autonomous and required in most, if not all,

23 establishment of the founder R8 cell in each ommatidium, but is necessary to maintain its differentia

24 In Drosophila, this is achieved in each ommatidium by the inner photoreceptors R7 and R8.

25 ceptor homologue (DER) dramatically suppress ommatidium development in the eye and induce ectopic vei

26 this activity may not be required for normal ommatidium development.

27 The eight photoreceptors that compose each ommatidium exist in two chiral forms organized along two

28 a and required function of Notch to suppress ommatidium formation.

29 A graded index model of the ommatidium has been proposed and verified but the effort

30 Each ommatidium has the typical set of eight retinular cells,

31 that the R3 photoreceptor precursor of each ommatidium have a higher level of Frizzled signaling tha

32 describe the structural organization of the ommatidium in the compound eye of the fiddler crab, Uca

33 The developing Drosophila ommatidium is characterized by two distinct waves of pat

34 Each ommatidium is founded by a photoreceptor (R)8 cell and t

35 sitivity of the R8 cell within an individual ommatidium is regulated by an inductive signal from the

36 The artificial ommatidium, like that of an insect's compound eyes, cons

37 Here we numerically investigate the ommatidium model and reveal that the current model, invo

38 oreceptor precursor cells in each developing ommatidium occurs in response to a gradient of Frizzled

39 The ommatidium of the butterfly's afocal apposition eye exhi

40 The eight photoreceptors in each ommatidium of the Drosophila eye are assembled by a proc

41 Each ommatidium of the Drosophila eye is constructed by preci

42 lopment of the R7 photoreceptor cell in each ommatidium of the Drosophila eye.

43 ng, but reducing both together led to direct ommatidium:ommatidium contact.

44 ns that contact both R7 and R8 from a single ommatidium, or contact R7 and/or R8 from different ommat

45 In the ommatidium, or unit eye, R8 is the first photoreceptor t

46 Further ommatidium patterning requires the epidermal growth fact

47 to predict the observed correlation between ommatidium size variation and the number of defects, and

48 ceptors - the founding photoreceptor of each ommatidium that coordinates the incorporation of all oth

49 n most, if not all, photoreceptors within an ommatidium to establish normal polarity.

50 en sensitive) photoreceptor cells within one ommatidium (unit eye) or between different ommatidia tha

51 or, a unique cell type within the Drosophila ommatidium, was initially proposed to be specified by tw