oestrus
Fertile female phase
Oestrus is the period when a female mammal is fertile and receptive to mating—what's commonly called being in heat.
The term appears mainly in scientific and veterinary contexts.
Most mammals have distinct oestrus cycles; humans are unusual in that female sexual receptivity isn't limited to fertile periods.
Also spelled estrus, especially in American English.
Sexually receptive phase
- cycleRepeating sequence of events
- ovulationEgg discharge from ovary
- follicularPertaining to follicles
- lutealOf the corpus luteum
estradiol · progesterone · gonadotropin · hormones · endocrinology · hypothalamus · pituitary · endometrium
Reproductive pairing behavior
- courtshipSeeking another's romantic favor
- mountingSteadily increasing in degree
- lordosisAbnormal spinal curvature inward
- receptivityWillingness to accept ideas
solicitation · flagging · standing · presenting · display · vocalization · restlessness · seeking
Transferred thermal energy
- bullingCow in heat
- dairyMilk-based foods collectively
- cattleDomesticated bovines kept commercially
- swineDomestic porcine animals
equine · canine · veterinary · gestation · service
Formation of an idea
- fertilizationGamete fusion creating zygote
- inseminationIntroducing sperm for conception
- fecundityReproductive capacity
- studUpright wall framing
sire · dam · seasonal · timing · synchronization · artificial insemination · broodmare · whelping
Airborne odor detected
- olfactoryOf the sense detecting odors
- muskyHaving animal-derived odor
- volatileLiable to sudden change
- secretionSubstance released by glands
emission · attraction · signal · detection · marking · urine · chemosensory · communication
estrous
Sexually receptive phase
- cycleRepeating sequence of events
- ovulationEgg discharge from ovary
- follicularPertaining to follicles
luteal · estradiol · progesterone · gonadotropin · hormones · endocrinology · hypothalamus · pituitary · endometrium · ovarian
mating
Reproductive pairing behavior
- courtshipSeeking another's romantic favor
- mountingSteadily increasing in degree
- lordosisAbnormal spinal curvature inward
receptivity · solicitation · flagging · standing · presenting · display · vocalization · restlessness · seeking · acceptance
heat
Transferred thermal energy
conception
Formation of an idea
- fertilizationGamete fusion creating zygote
- inseminationIntroducing sperm for conception
- fecundityReproductive capacity
stud · sire · dam · seasonal · timing · synchronization · artificial insemination · broodmare · whelping
scent
Airborne odor detected
secretion · emission · attraction · signal · detection · marking · urine · chemosensory · communication · airborne