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Related Experiment Video

Updated: Dec 30, 2025

Mouse Embryonic Development in a Serum-free Whole Embryo Culture System

Mouse Embryonic Development in a Serum-free Whole Embryo Culture System

Published on: March 1, 2014

Embryonic development in Erythrocebus patas.

P E Binkerd¹, A G Hendrickx¹, J M Rice²

¹California Primate Research Center, University of California, Davis.

American Journal of Primatology

|January 29, 2020

Summary

This summary is machine-generated.

Patas monkey (Erythrocebus patas) embryonic development parallels human embryos but shows a distinct developmental delay. This finding is crucial for designing accurate early pregnancy studies in this primate species.

Keywords:

Erythrocebus patas developmental staging embryology patas monkey

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Area of Science:

Primate Embryology
Comparative Developmental Biology
Reproductive Science

Background:

Understanding primate embryonic development is crucial for comparative studies and reproductive research.
Erythrocebus patas, the patas monkey, is a nonhuman primate with limited detailed embryonic developmental data available.
Previous studies have established developmental staging for other primate species, providing a basis for comparison.

Purpose of the Study:

To describe the detailed developmental stages of Erythrocebus patas embryos.
To compare the embryogenesis pattern of E. patas with human and other nonhuman primate embryos.
To identify any unique temporal characteristics in patas monkey embryonic development relevant to pregnancy studies.

Main Methods:

Detailed morphological examination of 12 Erythrocebus patas embryos.
Staging of embryos based on gestational age, ranging from 30 to 50 days.
Comparative analysis of E. patas embryonic features against established human and nonhuman primate embryonic stages (e.g., Carnegie stages).

Main Results:

The developmental stages of 12 E. patas embryos (30-50 days gestation) were systematically described.
Embryogenesis in E. patas closely mirrors human and other nonhuman primate embryos between stages 12 and 23.
A notable delay in E. patas embryonic development was observed, similar to human embryos but differing from macaques and baboons.

Conclusions:

Erythrocebus patas embryonic development exhibits a unique temporal pattern, including a delay comparable to humans.
This developmental delay is a significant factor influencing the interpretation and design of early pregnancy research in patas monkeys.
The findings contribute to a better understanding of primate reproductive biology and comparative embryology.