Definition: A type of fossilized shell from an extinct sea creature that had a coiled shape and lived a long time ago, especially during the time of dinosaurs.

Example: The ammonite fossils found in the cliffside provide valuable insights into prehistoric marine life.

Definition: A type of ion that is formed when ammonia combines with a hydrogen ion. It has a positive charge and is found in various chemical compounds, often similar to those made with alkali metals.

Example: Ammonium is commonly found in fertilizers and is essential for plant growth.

Definition: A type of extinct marine animal that had a spiral shell, similar to a squid, and is related to modern cephalopods.

Example: The fossilized ammonoid was discovered in the sedimentary rock.

Definition: Amnesia is a condition where a person loses their memory, either partially or completely. This can happen due to various reasons like brain injury, shock, or illness. It can also refer to forgetting specific events or information.

Example: After the accident, he suffered from amnesia and could not remember his name.

Definition: Relating to or affected by amnesia, which is a condition that causes memory loss.

Example: The amnesic patient struggled to remember his own name.

Definition: An amnesic is a person who has memory loss, often due to injury or illness, and struggles to remember past events or information.

Example: The amnesic struggled to remember his own name after the accident.

Definition: Relating to or causing amnesia, which is a loss of memory.

Example: The amnestic effects of the medication were concerning to the doctors.

Definition: Amnio refers to a medical procedure where amniotic fluid is taken from a pregnant woman, usually after the 15th week of pregnancy, to help diagnose any potential problems with the fetus.

Example: The doctor recommended an amnio to check for any potential genetic issues with the fetus.

Definition: Amniocentesis is a medical procedure where a small amount of amniotic fluid is taken from the uterus using a needle. This fluid is tested to check for genetic problems in the baby or to find out the baby's sex.

Example: The doctor recommended an amniocentesis to check for any genetic disorders in the unborn child.

Definition: The amnion is a thin, strong membrane that surrounds and protects the developing embryo or fetus in mammals, birds, and reptiles. It is filled with a fluid that helps cushion and support the embryo.

Example: The amnion provides a protective environment for the developing fetus during pregnancy.

Definition: Relating to the amnion, which is the membrane that surrounds and protects an embryo in the womb.

Example: The amnionic fluid provides a protective cushion for the developing fetus.