Difference between Uterus and Placenta
Difference between Uterus and Placenta are in tabular form below –
No. |
Uterus |
Placenta |
Definition |
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1. | An organ which is pear shaped and present in a woman’s pelvic is referred to as uterus. | An organ which form during pregnancy is referred to as Placenta. |
Presence |
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2. | From birth, uterus is present in the mothers. | During the pregnancy, placenta is present. |
Size |
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3. | The uterus is usually 7.6 cm long and 3 cm thick. | The placenta is usually 22 cm long and 2 to 2.5 cm thick. |
Included parts |
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4. | In the uterus, regions like corpus, the cervical canal, cervix and fundus are included. | In the placenta, components such as maternal placenta and fetal placenta are included. |
Function |
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5. | The functions of uterus include nourishment of fetus and development of fetus. | The functions of placenta include waste elimination, thermoregulation, gas exchange and nutrient uptake. |
Organisms |
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6. | The uterus is present in most of the mammals. | The Placenta is present in some non-mammals, placental mammals and Marsupials. |