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A dog's glans consists of two sections: Behind the lower, long part (pars longa glandis) lies the "knot" (Bulbus glandis) [1] which expands only after penetrating the vagina and causes the male dog to remain inside the bitch ("Tie") for some time after ejaculation (typically between 15 and 30 min).
The locking is completed by circular muscles just inside the female's vagina; this is called "the knot" tightening thus preventing the male from withdrawing. The circular muscles also contract intermittently, which has the effect of stimulating ejaculation of sperm, followed by prostatic fluid, as well as maintaining the swelling of the penis ...
Litter size: 3–6 [1] Kennel club standards ... Their fur forms a distinctive top knot on the dog's head. ... is the preferred height for male dogs, a range from 16 ...
Many mammalian species have developed keratinized penile spines along the glans and/or shaft, which may be involved in sexual selection.These spines have been described as being simple, single-pointed structures or complex with two or three points per spine (strepsirrhines). [1]
Canine terminology in this article refers only to dog terminology, specialized terms describing the characteristics of various external parts of the domestic dog, as well as terms for structure, movement, and temperament. This terminology is not typically used for any of the wild species or subspecies of wild wolves, foxes, coyotes, dholes ...
Carrying puppies to term (the average litter size is 5-6 puppies) puts considerable stress on a female dog’s body. The change in her hormones can contribute to this sudden disinterest in games ...
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A Tricolor (black, white, brown) Shih Tzu in show coat.. The Shih Tzu is a sturdy little dog with a small snout and normally has large dark brown eyes. The Chinese have described their head shapes as "owl head" and "lion head", and their mouth as "frog mouths" and their lips as "earthworm lips". [2]