trophosphere
now rare
noun
A spherical structure or layer of tissue formed in the early stages of implantation of the blastocyst.
Origin
Late 19th century.
- astragate
- a straight face
- a straight fight
- astrakhan
- astral
- astral plane
- astral projection
- astrantia
- a straw in the wind
- astray
- astride
- astringency
- astringent
- astringently
- astro-
- astro-archaeologist
- astro-archaeology
- astrobiological
- astrobiologist
- astrobiology
- astroblast
- astrobleme
- astrobotanist
- astrobotany
- astrochemical