yolk sac
noun
Key Types & categories Parts & wholes Related & opposite
- Word type
- noun
- verb
- adjective
- adverb
- Line style
- core relation
- instance, member or derived
- substance, domain or see-also
- Direction
- arrow points to the broader concept
- dashed outline: no word in this language
- Click any word to expand it.
Senses
Sense 1 noun
membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
Types & categories
- sac hypernym
Sense 2 noun
membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes; circulates nutrients to the developing embryo
Types & categories
- sac hypernym
Table view of this graph
| Sense | Relation | Group | Word |
|---|---|---|---|
| 1 | hypernym | Types & categories | sac |
| 2 | hypernym | Types & categories | sac |