AREA VITELLINA Meaning and
Definition
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"Area vitellina" is a Latin term that translates to "vitelline area" in English. It is a concept used primarily in embryology and reproductive biology.
In embryology, the area vitellina refers to a specific region found in the blastoderm of bird embryos. The blastoderm is the disc-shaped structure formed after the fertilized egg undergoes cleavage, and it eventually gives rise to the embryo. The area vitellina is a concentrated, circular area within the blastoderm where the yolk is stored. It appears slightly opaque and has a different consistency compared to the surrounding blastodermal cells. The cells in this region actively take up nutrients from the yolk, which eventually contributes to the development and growth of the embryo.
In reproductive biology, the term area vitellina is often used to describe a similar structure in other oviparous animals, including reptiles, some fish, and monotremes (egg-laying mammals). While the specifics may differ among species, the area vitellina generally refers to the region of the egg or embryo where the yolk is concentrated or attached, and where nutrient transfer takes place between the developing embryo and the nutritive material.
Overall, the area vitellina is an essential component of embryonic development in oviparous organisms, facilitating nutrient uptake from the yolk and supporting the growth and survival of the developing embryo.
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The part of the ovum outside the a. germinativa.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for AREA VITELLINA
- zrea vitellina
- srea vitellina
- wrea vitellina
- qrea vitellina
- aeea vitellina
- adea vitellina
- afea vitellina
- atea vitellina
- a5ea vitellina
- a4ea vitellina
- arwa vitellina
- arsa vitellina
- arda vitellina
- arra vitellina
- ar4a vitellina
- ar3a vitellina
- arez vitellina
- ares vitellina
- arew vitellina
- areq vitellina
Etymology of AREA VITELLINA
The term "area vitellina" originates from Latin. Here is the breakdown of its etymology:
1. Area: In Latin, "area" referred to an open space, courtyard, or farming field. It could also signify an enclosed or marked-out space. Over time, "area" started to be used in English with a similar meaning - a defined or specific space.
2. Vitellina: The word "vitellina" comes from the Latin word "vitellus", which means "yolk". In biology, it specifically refers to the yolk sac of a developing embryo or an area rich in yolk.
When combined, "area vitellina" refers to the specific region or space of a developing embryo that contains the yolk sac.
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