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Question
Mammalian blastula is known as
Mammalian blastula is known as
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Solution
The correct option is A Blastocyst
Blastocyst
A blastocyst is a ball of cells with a large, fluid-filled cavity called blastocoel. The morula divides to form this stage which consists of 200 - 300 cells. The blastomeres in the blastocyst are arranged into an outer envelope called trophoblast and inner mass of cells (attached to the trophoblast) called inner cell mass.
Trophoderm
Trophoderm (trophoblast) is the outer envelope of cells of blastocyst which helps in the implantation and gives rise to extra-embryonic membranes.
Foetal blastula
Mammalian blastula is not known as foetal blastula.
Oedema
Oedema (fluid retention) is the condition in which water accumulates in the tissues leading to swelling. For example, in peripheral oedema feet, ankles etc., get swelling.
Blastocyst
A blastocyst is a ball of cells with a large, fluid-filled cavity called blastocoel. The morula divides to form this stage which consists of 200 - 300 cells. The blastomeres in the blastocyst are arranged into an outer envelope called trophoblast and inner mass of cells (attached to the trophoblast) called inner cell mass.
Trophoderm
Trophoderm (trophoblast) is the outer envelope of cells of blastocyst which helps in the implantation and gives rise to extra-embryonic membranes.
Foetal blastula
Mammalian blastula is not known as foetal blastula.
Oedema
Oedema (fluid retention) is the condition in which water accumulates in the tissues leading to swelling. For example, in peripheral oedema feet, ankles etc., get swelling.
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