Female reproductive anatomy quiz

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WIKIQUIZ

Questions reviewed by: Mr David Kilroy MVB CVMA MRCVS
David Bainbridge VetMB MA PhD MRCVS

1

Which species have an ovulation fossa?

Please select an option Incorrect. The structure of the equine ovary is reversed compared to other species. The cortex, which is where follicles develop, is in the centre and it is surrounded by a dense, richly vascularised connective tissue layer which is analagous to the medulla of other domestic mammals. The cortex reaches the surface of the ovary at the ovulation fossa, a deep indentation at the free margin. This is where mature follicles rupture in ovulation, as opposed to at various points on the surface in other domestic mammals. WikiVet Article: ovaries. Correct! The structure of the equine ovary is reversed compared to other species. The cortex, which is where follicles develop, is in the centre and it is surrounded by a dense, richly vascularised connective tissue layer which is analagous to the medulla of other domestic mammals. The cortex reaches the surface of the ovary at the ovulation fossa, a deep indentation at the free margin. This is where mature follicles rupture in ovulation, as opposed to at various points on the surface in other domestic mammals. WikiVet Article: ovaries. Incorrect. The structure of the equine ovary is reversed compared to other species. The cortex, which is where follicles develop, is in the centre and it is surrounded by a dense, richly vascularised connective tissue layer which is analagous to the medulla of other domestic mammals. The cortex reaches the surface of the ovary at the ovulation fossa, a deep indentation at the free margin. This is where mature follicles rupture in ovulation, as opposed to at various points on the surface in other domestic mammals. WikiVet Article: ovaries. Incorrect. The structure of the equine ovary is reversed compared to other species. The cortex, which is where follicles develop, is in the centre and it is surrounded by a dense, richly vascularised connective tissue layer which is analagous to the medulla of other domestic mammals. The cortex reaches the surface of the ovary at the ovulation fossa, a deep indentation at the free margin. This is where mature follicles rupture in ovulation, as opposed to at various points on the surface in other domestic mammals. WikiVet Article: ovaries. Incorrect. The structure of the equine ovary is reversed compared to other species. The cortex, which is where follicles develop, is in the centre and it is surrounded by a dense, richly vascularised connective tissue layer which is analagous to the medulla of other domestic mammals. The cortex reaches the surface of the ovary at the ovulation fossa, a deep indentation at the free margin. This is where mature follicles rupture in ovulation, as opposed to at various points on the surface in other domestic mammals. WikiVet Article: ovaries.

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2

In which species are endometrial cups found?

Please select an option Incorrect. Endometrial cups are not seen in the sow. The correct answer is endometrial cups are seen in the mare. They are a normal featureof pregnancy. They develop from foetal tissue and are visible from day 40 and slough from day 100. They produce gonadotrophic hormones. WikiVet Article: placenta Incorrect. Endometrial cups are not seen in the cow. The correct answer is endometrial cups are seen in the mare. They are a normal featureof pregnancy. They develop from foetal tissue and are visible from day 40 and slough from day 100. They produce gonadotrophic hormones. WikiVet Article: placenta Incorrect. Endometrial cups are not seen in the bitch. The correct answer is endometrial cups are seen in the mare. They are a normal featureof pregnancy. They develop from foetal tissue and are visible from day 40 and slough from day 100. They produce gonadotrophic hormones. WikiVet Article: placenta Incorrect. Endometrial cups are not seen in the queen. The correct answer is endometrial cups are seen in the mare. They are a normal featureof pregnancy. They develop from foetal tissue and are visible from day 40 and slough from day 100. They produce gonadotrophic hormones. WikiVet Article: placenta Correct! Endometrial cups are seen in the mare. They are a normal featureof pregnancy. They develop from foetal tissue and are visible from day 40 and slough from day 100.Tthey produce gonadotrophic hormones. WikiVet Article: placenta

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3

Which domestic species have a duplex uterus?

Please select an option Incorrect. Dogs and cats have bicornuate uteri. The correct answer is rabbits and rodents because they have two completely separate uterine horns each with their own cervical canal. Marsupials also have duplex uteri and as well as having two uterine horns and cervical canals, they also have two vaginas. WikiVet Article: the uterus. Correct! Rabbits and rodents have two completely separate uterine horns each with their own cervical canal. Marsupials also have duplex uteri and as well as having two uterine horns and cervical canals, they also have two vaginas. WikiVet Article: the uterus. Incorrect. Dogs have bicornuate uteri but rabbits do have duplex uteri. The correct answer is rabbits and rodents because they have two completely separate uterine horns each with their own cervical canal. Marsupials also have duplex uteri and as well as having two uterine horns and cervical canals, they also have two vaginas. WikiVet Article: the uterus. Incorrect. Cats have bicornuate uteri but rabbits do have duplex uteri. The correct answer is rabbits and rodents because they have two completely separate uterine horns each with their own cervical canal. Marsupials also have duplex uteri and as well as having two uterine horns and cervical canals, they also have two vaginas. WikiVet Article: the uterus. Incorrect. Dogs have bicornuate uteri but rodents do have duplex uteri. The correct answer is rabbits and rodents because they have two completely separate uterine horns each with their own cervical canal. Marsupials also have duplex uteri and as well as having two uterine horns and cervical canals, they also have two vaginas. WikiVet Article: the uterus.

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4

Which of the following groups of animals has a cotyledonary placenta?

Please select an option Incorrect. Equidae along with swine have a diffuse placenta. Ruminants e.g. cattle, sheep, goats and deer have a cotyledonary placenta. WikiVet Article: placenta Incorrect. Swine, along with equidae have a diffuse placenta. Ruminants e.g. cattle, sheep, goats and deer have a cotyledonary placenta. WikiVet Article: placenta Correct!Ruminants e.g. cattle, sheep, goats and deer have a cotyledonary placenta. WikiVet Article: placenta Incorrect. Carnivores e.g. dogs and cats have a zonary placenta. The correct answer is that ruminants e.g. cattle, sheep, goats and deer have a cotyledonary placenta. WikiVet Article: placenta Incorrect. Rodents, along with primates and humans have a discoid placenta. Ruminants e.g. cattle, sheep, goats and deer have a cotyledonary placenta. WikiVet Article: placenta

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5

The mesosalpinx attaches to which reproductive structure?

Please select an option Incorrect. The mesovarium attaches to the ovary. The mesosalpinx attaches to the oviduct. They are both part of the broad ligament which conveys blood vessels, lymphatics and nerves to and from the female reproductive tract and supports the organs of the reproductive tract. The mesosalpinx and mesovarium together form the ovarian bursa. WikiVet Article: broad ligament. Incorrect. The mesometrium attaches to the uterus, cervix and cranial vagina. The mesosalpinx attaches to the oviduct. They are both part of the broad ligament which conveys blood vessels, lymphatics and nerves to and from the female reproductive tract and supports the organs of the reproductive tract. The mesosalpinx and mesovarium together form the ovarian bursa. WikiVet Article: broad ligament. Incorrect. The mesometrium attaches to the uterus, cervix and cranial vagina. The mesosalpinx attaches to the oviduct. They are both part of the broad ligament which conveys blood vessels, lymphatics and nerves to and from the female reproductive tract and supports the organs of the reproductive tract. The mesosalpinx and mesovarium together form the ovarian bursa. WikiVet Article: broad ligament. Incorrect. The mesometrium attaches to the uterus, cervix and cranial vagina. The mesosalpinx attaches to the oviduct. They are both part of the broad ligament which conveys blood vessels, lymphatics and nerves to and from the female reproductive tract and supports the organs of the reproductive tract. The mesosalpinx and mesovarium together form the ovarian bursa. WikiVet Article: broad ligament. Correct! The mesosalpinx is part of the broad ligament which conveys blood vessels, lymphatics and nerves to and from the female reproductive tract and supports the organs of the reproductive tract. The mesosalpinx and mesovarium together form the ovarian bursa. WikiVet Article: broad ligament.

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6

In which part of the female reproductive tract does fertilisation most commonly take place?

Please select an option Correct! Fertilisation usually occurs in the ampulla of the oviduct, although it may also occur at the ampullary-isthmic junction and even at the infundibulum. WikiVet Article: oviduct. Incorrect. Ovulation takes place in the ovary. Fertilisation most commonly occurs in the ampulla of the oviduct, although it may also occur at the ampullary-isthmic junction and even at the infundibulum. WikiVet Article: oviduct. Incorrect. Implantation takes place in the uterine horn. Fertilisation usually occurs in the ampulla of the oviduct, although it may also occur at the ampullary-isthmic junction and even at the infundibulum. WikiVet Article: oviduct. Incorrect. The isthmus, which is found at the caudal end of the oviduct joining to the uterus, has a folded mucosa which forms a functional reservoir for sperm in the female reproductive tract. Fertilisation may sometimes occur at the ampullary-isthmic junction, but it most commonly occurs in the ampulla of the oviduct. WikiVet Article: oviduct. Incorrect. The infundibulum is the cranial end of the oviduct and it comprises of numerous fimbrae which 'pick up' the oocyte after ovulation. Fertilisation can in fact occur here occasionally, but it more usually occurs in the ampulla of the oviduct, or sometimes the ampullary-isthmic junction. WikiVet Article: oviduct.

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7

Which species has a left ovary only?

Please select an option Incorrect. Female alpacas have paired ovaries; a left and a right. Birds have only a left ovary. Link to Wiki Vet:avian ovaries. Incorrect. Sows have paired ovaries; a left and a right. Birds have only a left ovary. Link to Wiki Vet:avian ovaries. Correct! Birds have only a left ovary, the right ovary regresses during development. WikiVet Article: avian ovaries. Incorrect. Female rabbits have paired ovaries; a left and a right. Birds have only a left ovary. Link to Wiki Vet:avian ovaries. Incorrect. Bitches have paired ovaries; a left and a right. Birds have only a left ovary. Link to Wiki Vet:avian ovaries.

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8

What is the name of the numerous round button-like elevations of the ruminant endometrium?

Please select an option Correct! A caruncle on the maternal endometrium interacts with a cotyledon on the placenta. The cotyledon-caruncle complex is called a placentome. WikiVet Article: uterus. Incorrect. A cotyledon is found on the placenta, it is a patch of allantochorion which interacts with the caruncle on the maternal endometrium. The cotyledon-caruncle complex is called a placentome. WikiVet Article: uterus. Incorrect. Uterine folds are found in the endometrium of mares and sows. The round button-like elevations of the ruminant endometrium are called caruncles. WikiVet Article: uterus. Incorrect. A cotyledon is found on the placenta, it is a patch of allantochorion which interacts with the caruncle on the maternal endometrium. The cotyledon-caruncle complex is called a placentome. WikiVet Article: uterus. Incorrect. Endometrial glands are microscopic and do not project out of the endometrium. The round button-like elevations of the ruminant endometrium are called caruncles. WikiVet Article: uterus.

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9

Which species have vestibular bulbs?

Please select an option Incorrect. Vestibular bulbs are found in mares and bitches as dark patches on the walls of the vestibule. They are a concentration of veins forming erectile tissue, this is the female homologue of the bulb of the penis. During the dog's 'tie', the bulbs are erect and press against the penis, caudal to the enlarged bulb of the glans. WikiVet Article: vagina. Correct! Vestibular bulbs are seen as dark patches on the walls of the vestibule. They are a concentration of veins forming erectile tissue, this is the female homologue of the bulb of the penis. During the dog's 'tie', the bulbs are erect and press against the penis, caudal to the enlarged bulb of the glans. WikiVet Article: vagina. Incorrect. Vestibular bulbs are found in mares and bitches as dark patches on the walls of the vestibule. They are a concentration of veins forming erectile tissue, this is the female homologue of the bulb of the penis. During the dog's 'tie', the bulbs are erect and press against the penis, caudal to the enlarged bulb of the glans. WikiVet Article: vagina. Incorrect. Vestibular bulbs are found in mares and bitches as dark patches on the walls of the vestibule. They are a concentration of veins forming erectile tissue, this is the female homologue of the bulb of the penis. During the dog's 'tie', the bulbs are erect and press against the penis, caudal to the enlarged bulb of the glans. WikiVet Article: vagina. Incorrect. Vestibular bulbs are found in mares and bitches as dark patches on the walls of the vestibule. They are a concentration of veins forming erectile tissue, this is the female homologue of the bulb of the penis. During the dog's 'tie', the bulbs are erect and press against the penis, caudal to the enlarged bulb of the glans. WikiVet Article: vagina.

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