umbilical vesicle

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Definitions from WordNet

Noun umbilical vesicle has 1 sense

yolk sac, vitelline sac, umbilical vesicle, vesicula umbilicus - membranous structure that functions as the circulatory system in mammal embryos until the heart becomes functional
--₁ is a kind of sac

Definitions from the Web

Umbilical Vesicle

Definition

An umbilical vesicle, also known as the yolk sac, is a membranous sac that forms during early embryonic development in mammals. It serves as an important site for nutrient storage and transfer to the developing embryo.

Senses and Usages

1. Anatomy:

In anatomy, the umbilical vesicle refers to the yolk sac, which is temporarily present in the early stages of pregnancy in mammals.

Example sentence: The umbilical vesicle provides necessary nutrients to the developing fetus.

2. Marine Biology:

In marine biology, an umbilical vesicle refers to a specialized structure in some marine species that provides nutrients to the developing embryo during the early stages.

Example sentence: The umbilical vesicle in fish acts as a nutrient reservoir for the growing offspring.

3. Veterinary Medicine:

In veterinary medicine, the term umbilical vesicle is used to describe a small cyst or fluid-filled sac that may form near the umbilical region in certain animals.

Example sentence: The veterinarian identified an umbilical vesicle in the puppy's abdominal area.