Evidence map›Paper›PMID 29897931›Full record

ArticlePloS one2018

Spatial distribution of preantral follicles in the equine ovary.

Benner G Alves, Kele A Alves, Gustavo D A Gastal, Melba O Gastal, José R Figueiredo, Eduardo L Gastal

Abstract read
In one paragraph

Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

4 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Benner G AlvesDepartment of Animal Science, Food and Nutrition, Southern Illinois University, Carbondale, Illinois, United States of America.ORCID 0000-0001-9465-8054
Kele A AlvesDepartment of Animal Science, Food and Nutrition, Southern Illinois University, Carbondale, Illinois, United States of America.
Gustavo D A GastalDepartment of Animal Science, Food and Nutrition, Southern Illinois University, Carbondale, Illinois, United States of America.ORCID 0000-0002-5317-2207
Melba O GastalDepartment of Animal Science, Food and Nutrition, Southern Illinois University, Carbondale, Illinois, United States of America.
José R FigueiredoLaboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), State University of Ceará, Fortaleza, CE, Brazil.
Eduardo L GastalDepartment of Animal Science, Food and Nutrition, Southern Illinois University, Carbondale, Illinois, United States of America.ORCID 0000-0002-8855-6980

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Comprehensive studies on spatial distribution of preantral follicles in the ovary are scarce. Considering that preantral follicles represent the main ovarian reserve, harvesting of these follicles is crucial for the development/use of assisted reproductive techniques. Therefore, knowledge on follicle spatial distribution can be helpful for targeting areas with richer number of preantral follicles through biopsy procedures. The aim of this study was to assess the distribution and localization of equine preantral follicles according to: (i) age, (ii) ovarian portion (lateral and intermediary) and region (dorsal and ventral), (iii) distance from the geometric center, and (iv) follicular class. Ovaries from young and old mares (n = 8) were harvested in a slaughterhouse and submitted to histological processing for further evaluation. For data analyses, a novel methodology was developed according to the geometric center of each histological section for a precise determination of preantral follicle distribution. Results indicated that (i) equine preantral follicles are clustered and located near to the ovarian geometric center, and that aging induced their dispersion through the ovarian cortex; (ii) the distance from the geometric center was shorter for developing follicles than primordial; and (iii) secondary follicles were more distant from the geometric center but closer to the ovulation fossa. In conclusion, the spatial distribution of preantral follicles was successfully determined in the equine ovary and was affected by age, region, and portion.

Indexed as

HorsesAge FactorsAnimalsCell CountFemaleHistological TechniquesOvarian FollicleOvarian ReserveOvaryOvulation

Identifiers

PMID29897931
PMCPMC5999074

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.