vesicle : Idioms & Phrases

Index

Ear vesicle

  • (Zoöl.), a simple auditory organ, occurring in many worms, mollusks, etc. It consists of a small sac containing a fluid and one or more solid concretions or otocysts.
Webster 1913

Embryonic sac ∨ vesicle

  • (Bot.), the vesicle within which the embryo is developed in the ovule; sometimes called also amnios sac, and embryonal sac.
Webster 1913

Germinal vesicle

  • (Biol.) , the nucleus of the ovum of animals.
Webster 1913

Germinative spot, Germinative vesicle

  • . (Biol.) Same as Germinal spot, Germinal vesicle, under Germinal.
Webster 1913

seminal vesicle

  • noun either of a pair of glands located on either side of the male urinary bladder that open into the vas deferens and that secrete many components of semen during ejaculation
WordNet

Umbilical vesicle

  • noun membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
    vesicula umbilicus; vitelline sac; yolk sac.
WordNet
  • (Anat.), a saccular appendage of the developing embryo, containing the nutritive and unsegmented part of the ovum; the yolk sac. See Illust. in Appendix.
Webster 1913