dorsal margin ommatidium [FBbt_02000000]
An ommatidial subtype located in a single row at the dorsal margin of the eye. This ommatidial subtype is specialized to detect the angle of polarized light.
dorsal margin ommatidium
ID: FBbt_02000000
Adult Nervous system Sense organ Visual system
An ommatidial subtype located in a single row at the dorsal margin of the eye. This ommatidial subtype is specialized to detect the angle of polarized light.
The dorsal margin ommatidium expresses the opsin Rh3 (FBgn0003249) that detects polarized light in both photoreceptor R7 and R8 cells (Fortini and Rubin, 1990).
Open in VFB 3D Browser →Relationships
- is part of: dorsal rim area
Alternative Names
| Synonym | Scope | Reference |
|---|---|---|
| dorsal rim ommatidium | exact synonym | Chin et al., 2014 |
Neurons with some part in dorsal margin ommatidium (3 total)
| Thumbnail | Name | Tags |
|---|---|---|
 |
R7-DRA | Adult, Histaminergic, Nervous_system, Sensory_neuron, Visual_system |
 |
R8-DRA | Adult, Cholinergic, Histaminergic, Nervous_system, Sensory_neuron, Visual_system |
|
dorsal margin photoreceptor cell | Adult, Histaminergic, Nervous_system, Sensory_neuron, Visual_system |
Parts of dorsal margin ommatidium (3 total)
| Thumbnail | Name | Tags |
|---|---|---|
|
R7-DRA | Adult, Histaminergic, Nervous_system, Sensory_neuron, Visual_system |
|
R8-DRA | Adult, Cholinergic, Histaminergic, Nervous_system, Sensory_neuron, Visual_system |
|
dorsal margin photoreceptor cell | Adult, Histaminergic, Nervous_system, Sensory_neuron, Visual_system |
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