Retinal Pigment Epithelial Fine Structure in the Nighthawk (Chordeiles minor)
Why this work is in the frame
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Bibliographic record
Abstract
The retinal pigment epithelial (RPE) layer of a nocturnally active bird, the nighthawk (Chordeiles minor), has been investigated by electron microscopy. This layer is composed of a single layer of low cuboidal cells joined laterally by tight junctions. Basally (sclerally), the epithelial cells display deep infoldings while apically (vitreally) numerous processes enclose photoreceptor outer segments. Internally, the nucleus is large, vesicular and basally located. Smooth endoplasmic reticulum and mitochondria are abundant. Rough endoplasmic reticulum (RER) is scarce but numerous polysomes are present. Myeloid bodies are widespread and often appear to be continuous with the RER membranes. Phagosomes of outer segment material are present but not numerous in the light-adapted condition. Large spindle-shaped melanosomes as well as numerous rounded tapetal spheres are present in the apical region and apical processes of the epithelial cells. The composition of the reflective tapetal spheres is unknown. Bruch's membrane (complexus basalis) in most locations displays a pentalaminate appearance while in some regions it is trilaminate. The endothelium of the choriocapillaris facing Bruch's membrane is extremely thin but only sparsely fenestrated.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it