Definition of Ootid

1. Noun. Mature ovum after penetration by sperm but before the formation of a zygote.

Generic synonyms: Egg Cell, Ovum



Definition of Ootid

1. Noun. (biology) The haploid cell, produced by meiotic division of a secondary oocyte, that is a nearly mature ovum ¹

2. Noun. (alternative spelling of ootid) ¹

¹ Source: wiktionary.com

Definition of Ootid

1. one of the four sections into which a mature ovum divides [n -S]

Medical Definition of Ootid

1. The nearly mature ovum after the first meiotic division has been completed and the second initiated; in most higher mammals, the second meiotic division is not completed unless fertilization occurs. Origin: G. Ootidion, a diminutive egg. See -id (05 Mar 2000)

Ootid Pictures

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Lexicographical Neighbors of Ootid

oosphere
oospheres
oosporangia
oosporangium
oospore
oospores
oosporic
oostegite
oostegites
oosterboschite
oosy
oot
ootheca
oothecae
oothecal
ootid (current term)
ootidogenesis
ootids
ootocoid
oots
ootype
ootypes
ooze
ooze leather
ooze out
ooze through
oozed
oozes
oozier
ooziest

Literary usage of Ootid

Below you will find example usage of this term as found in modern and/or classical literature:

1. Principles of Animal Biology by Aaron Franklin Shull, George Roger Larue, Alexander Grant Ruthven (1920)
"ootid (o' o tid). A mature egg; that is, an egg as soon as the last maturation division is complete. The term is seldom used, except in comparison with the ..."

2. The Medical and Surgical Reporter (1868)
"On Thursday, a discharge began from the right ear, small in quantity and very ootid. Friday morning at 9 o'clock, his wife heard a strange noise coming from ..."

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