Isolecithal meaning

Isolecithal means having even distribution of yolk throughout the egg.


Isolecithal definitions

Word backwards lahticelosi
Part of speech Adjective
Syllabic division i-so-le-ci-thal
Plural The plural of the word "isolecithal" is "isolecithals."
Total letters 11
Vogais (4) i,o,e,a
Consonants (5) s,l,c,t,h

Isolecithal is a term used to describe a type of egg with a uniform distribution of yolk throughout the cytoplasm. This type of egg is commonly found in organisms like sea urchins and humans, where the yolk is evenly distributed and not concentrated in one area.

Characteristics of Isolecithal Eggs

Isolecithal eggs are typically small and contain a moderate amount of yolk. The yolk is evenly distributed throughout the egg, giving it a uniform appearance. This type of egg is common in organisms where the embryo does not undergo significant development within the egg before hatching.

Development of Isolecithal Eggs

During fertilization, the sperm penetrates the outer layer of the egg, triggering the fusion of the sperm and egg nuclei. From there, the zygote begins to divide and develop into an embryo. In some organisms, cleavage divisions occur rapidly and result in a hollow ball of cells known as a blastula.

Significance of Isolecithal Eggs

The presence of isolecithal eggs has important implications for the development and growth of the embryo. Because the yolk is evenly distributed, nutrients are readily available to support embryonic development. This type of egg is often associated with a relatively simple developmental process compared to other types of eggs with more concentrated yolk.

In conclusion, isolecithal eggs play a crucial role in the reproduction and development of various organisms. Their unique characteristics make them well-suited for supporting embryonic growth, and they are an essential part of the life cycle of many species.


Isolecithal Examples

  1. The isolecithal eggs had uniform distribution of yolk throughout the cytoplasm.
  2. Biologists classify isolecithal eggs as having evenly distributed yolk.
  3. In some species, isolecithal eggs develop into larvae with simple body structures.
  4. The isolecithal nature of the egg influenced the development pattern of the embryo.
  5. Researchers are studying the cellular mechanisms involved in isolecithal egg development.
  6. The evolutionary significance of isolecithal eggs is still under investigation.
  7. Aquatic organisms commonly produce isolecithal eggs for reproduction.
  8. The genetic factors determining isolecithal egg development are not fully understood.
  9. Comparative analysis of isolecithal and telolecithal eggs reveals unique characteristics.
  10. The fertility of isolecithal eggs may depend on environmental conditions.


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  • Updated 04/05/2024 - 21:38:49