while the estrus may last 4 to 13 days, with a diestrus of 60 days followed by about 90 to 150 days of anestrus. Female dogs bleed during estrus, which usually...

estrus in Wiktionary, the free dictionary. Estrus is the phase when the female of a species is sexually receptive. Estrus may also refer to: Estrus Records...

book about Estrus Records to be published by Korero Press, titled Estrus: Shovelin’ the Shit Since ’87. A monthly podcast dedicated to Estrus Records called...

Estrus EP is the first EP by John Frusciante, a 7" extended play released in 1997. Only 400–500 copies of this vinyl EP were pressed and could be purchased...

Concealed ovulation or hidden estrus in a species is the lack of any perceptible change in an adult female (for instance, a change in appearance or scent)...

period of advertised fertility is known as oestrus, "estrus" or heat. In species that experience estrus, females are generally only receptive to copulation...

industries) to facilitate breeding by artificial insemination. The term “estrus” refers to the phase of the estrous cycle in which a sexually mature, non-pregnant...

intermediate and superficial cells. Red blood cells and bacteria may be present. Estrus is characterized by the presence of all superficial cells, many of which...

high-fertility in a woman, which may indicate that humans have retained an estrus-like state. Estrus evolved to facilitate reproduction and maximize reproductive success...

penetration by the penis. It is commonly seen in female mammals during estrus (being "in heat"). Lordosis occurs during copulation itself and in some...