Definition of Nidation

1. Noun. (embryology) the organic process whereby a fertilized egg becomes implanted in the lining of the uterus of placental mammals.

Exact synonyms: Implantation
Category relationships: Embryology
Generic synonyms: Biological Process, Organic Process
Derivative terms: Implant

Definition of Nidation

1. Noun. (physiology) The implantation of the early embryo in the uterus ¹

¹ Source: wiktionary.com

Definition of Nidation

1. the act of nidating [n -S]

Medical Definition of Nidation

1. Implantation of the conceptus in the endometrium. Origin: L. Nidus = nest This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Nidation

nictitating membrane
nictitating membranes
nictitating spasm
nictitation
nictitations
nicy-nicy
nid
nidal
nidamental
nidaries
nidary
nidate
nidated
nidates
nidating
nidation (current term)
nidations
nidda
nidder
niddering
nidderings
niddicock
nide
nided
nidering
niderings
nides
nidgeries
nidgery

Literary usage of Nidation

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

1. The Principles and Practice of Gynaecology by Thomas Addis Emmet (1884)
"So far, therefore, nidation is dependent upon ovulation for its being. Sexual life, however, once established, the existence and periodicity of nidation ..."

2. Adolescence: Its Psychology and Its Relations to Physiology, Anthropology by Granville Stanley Hall (1904)
"The decidua were nidal and nidation could come on independently of the ovaries. ... Hyper- nidation sometimes may be due to decline of nutrition, ..."

3. A Biennial Retrospect of Medicine, Surgery and Their Allied Sciences by New Sydenham Society (1875)
"Dr. Aveling writes on nidation in the human subject (' Obst. Journ.,' July, 1874). He first speaks of nidation or the periodical development of the mucous ..."

4. The Internal Secretory Organs: Their Physiology and Pathology by Artur Biedl (1913)
"This theory is quite as plausible as the one which has gained credence up to now; namely, that the phenomena of menstruation, nidation, and development of ..."

5. American Medicine (1920)
"Ovulation, fertilization, and nidation, constituted the cardinal phases in the chronologic cycle of conception, and any perversion in their normal ..."

6. Gynecology by Brooke Melancthon Anspach (1921)
"81.—Showing a gland duct of the decidua compacta of the second and a few leucocytes. (Keibel and Mall.) in rill 5 nidation of the Ovu As soon as fertiliz; ..."

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