English Dictionary

LACTATION

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 Dictionary entry overview: What does lactation mean? 

LACTATION (noun)
  The noun LACTATION has 3 senses:

1. the period following birth during which milk is secretedplay

2. the production and secretion of milk by the mammary glandsplay

3. feeding an infant by giving suck at the breastplay

  Familiarity information: LACTATION used as a noun is uncommon.


 Dictionary entry details 


LACTATION (noun)


Sense 1

Meaning:

The period following birth during which milk is secreted

Classified under:

Nouns denoting time and temporal relations

Context example:

lactation normally continues until weaning

Hypernyms ("lactation" is a kind of...):

period; period of time; time period (an amount of time)

Derivation:

lactate (give suck to)


Sense 2

Meaning:

The production and secretion of milk by the mammary glands

Classified under:

Nouns denoting natural processes

Hypernyms ("lactation" is a kind of...):

activity; bodily function; bodily process; body process (an organic process that takes place in the body)

Derivation:

lactate (give suck to)


Sense 3

Meaning:

Feeding an infant by giving suck at the breast

Classified under:

Nouns denoting acts or actions

Synonyms:

lactation; suckling

Hypernyms ("lactation" is a kind of...):

alimentation; feeding (the act of supplying food and nourishment)

Derivation:

lactate (give suck to)


 Context examples 


Researchers saw lower body weights among newborn rats and their mothers, especially when exposed to high levels of RFR during pregnancy and lactation.

(High exposure to radiofrequency radiation linked to tumor activity in male rats, National Institutes of Health)

A tubular type adenoma of the breast in which, during pregnancy and lactation, the epithelial cells show extensive secretory changes.

(Lactating Adenoma, NCI Thesaurus)

It is caused by obstruction of the breast ducts during lactation.

(Galactocele, NCI Thesaurus)

This gene plays a regulatory role in smooth muscle contraction during processes such as parturition and lactation.

(OXT Gene, NCI Thesaurus)

This hormone can contract smooth muscle during parturition and lactation.

(Arginine Vasopressin-Neurophysin II Preproprotein, NCI Thesaurus/LocusLink)

This allele, which encodes oxytocin-neurophysin 1 protein, is involved in the regulation of smooth muscle contraction during both childbirth and lactation, cardiovascular homeostasis and complex neural processes such as cognition, adaptation and maternal behavior.

(OXT wt Allele, NCI Thesaurus)

The mucin is expressed normally by most glandular epithelia but shows particularly increased expression in the breast at lactation and in malignancy.

(Mucin Peptide MUC-1, NLM, Medical Subject Headings)

Bromocriptine also has an inhibitory effect on the anterior pituitary gland, which results in blockage of prolactin secretion, thereby suppressing lactation.

(Bromocriptine, NCI Thesaurus)

In the study, the mice were given arsenic three weeks before breeding and throughout pregnancy and lactation.

(Low doses of arsenic cause cancer in male mice, NIH)

This agent also stimulates dopamine D2 receptors in the anterior pituitary gland, which results in the inhibition of prolactin secretion and lactation and may inhibit the proliferation of prolactin-dependent breast cancer cells.

(Bromocriptine Mesylate, NCI Thesaurus)



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