"Amniotes" Pronounce,Meaning And Examples
"Amniotes" Natural Recordings by Native Speakers
"Amniotes" Meaning
Amniotes are a group of vertebrates that include mammals, reptiles, and birds. They are characterized by having amniotic eggs, which have a protective shell and internal membranes that allow them to develop on land. This adaptation enabled amniotes to diversify and thrive in terrestrial environments, as their eggs can retain moisture and prevent desiccation. The term "amniote" refers to the presence of the amniotic sac that surrounds and protects the developing embryo.
"Amniotes" Examples
1. Definition: Amniotes are a group of vertebrates that include mammals, birds, and reptiles, characterized by their eggs having a protective amniotic sac.
2. Evolutionary significance: The amniotic egg allowed amniotes to reproduce on land, separating them from their amphibian ancestors that required water for egg development.
3. Example species: A common amniote is the Turtle (Testudines), which has a hard shell protecting both its body and the amniotic egg it lays.
4. Diversity: The Crocodile (Crocodylia) is another example of an amniote, showcasing a semi-aquatic lifestyle and a different method of reproduction compared to terrestrial reptiles like lizards.
5. Mammalian amniotes: Humans, as mammals, are also amniotes, with human embryos developing within an amniotic sac filled with protective fluid during pregnancy.
"Amniotes" Similar Words
Amnion
The amnion is a membranous sac that surrounds and protects the developing fetus in the uterus during pregnancy. It contains amniotic fluid, which cushions the fetus and helps regulate its temperature. The amnion is one of the two extraembryonic membranes that form in the placental mammals, the other being the chorion.
Amnionic
"Amnionic" refers to relating to or derived from the amniotic fluid or the amniotic sac, which is a fluid-filled membrane that surrounds and protects a developing fetus in the uterus during pregnancy.
Amnionitis
Amnionitis is an inflammation of the amnion, which is the innermost membrane of the胎盘 that surrounds and protects the fetus during pregnancy. It is usually caused by a bacterial infection and can lead to premature birth, fetal distress, or other complications if left untreated.
Amniorrhea
Amniorrhea refers to an abnormal condition characterized by the absence or excessive bleeding during pregnancy, particularly related to the placenta or amniotic fluid. It can also indicate premature rupture of membranes, leading to a leakage of amniotic fluid before labor begins. This condition may pose risks to both the mother and the fetus's health and typically requires medical attention.
Amniorrhexis
Amniorrhexis is a medical term referring to the spontaneous or premature rupture of the amniotic membrane, which surrounds and protects the fetus during pregnancy. This can result in the leakage of amniotic fluid before or during labor. It is often a cause for concern as it can increase the risk of infection and other complications for both the mother and the baby.
Amnioscopy
Amnioscopy is a medical procedure used during pregnancy to visually examine the amniotic fluid and the fetus through a special instrument called an amnioscope. It is typically performed in the second trimester to check for any complications, such as bleeding or infection, or to determine the maturity of the fetal lungs. The doctor inserts the amnioscope through the cervix into the uterus after numbing the area, allowing them to observe the condition inside the amniotic sac.
Amniota
Amniota is a biological classification consisting of animals that produce amniotic eggs. These eggs have a protective membrane called the amnion, which surrounds and protects the developing embryo from desiccation (drying out) and provides a stable environment for development. Amniotes include reptiles, birds, and mammals, and they are distinguished from other vertebrates, such as amphibians, by this characteristic. The amniotic egg allowed these animals to adapt to terrestrial environments more effectively.
Amniote
Amniote refers to a group of vertebrates that include reptiles, birds, and mammals. These animals are characterized by having amniotic eggs, which are enclosed in a protective membrane that allows them to develop on land. The amniotic egg contains a yolk sac for nutrition and an allantois for waste elimination, enabling the embryo to develop internally without direct dependence on water. This adaptation was a significant evolutionary step that allowed amniotes to diversify and thrive in terrestrial environments.
Amniotic
Amniotocele
Amniotomy
Amobarbital
Amodiaquine
Amoeba
Amoebae
Amoebaean