Definition: A type of cancer that forms in the cells that normally develop into the placenta during pregnancy, often found in the uterus.

Example: The doctor diagnosed her with choriocarcinoma after further tests were conducted.

Definition: A layer of tissue in the eye that contains blood vessels and connective tissue, providing nourishment to the outer layers of the retina.

Example: The chorioid plays a crucial role in maintaining the health of the retina.

Definition: Relating to the outer membrane that surrounds an embryo in the womb, often associated with the placenta.

Example: The chorionic tissue plays a crucial role in the development of the fetus.

Definition: Relating to a layer of tissue in the eye that provides blood supply to the retina.

Example: The choroid layer is essential for the health of the retina.

Definition: The dark-brown layer of blood vessels in the eye that is located between the outer layer (sclera) and the inner layer (retina).

Example: The choroid helps supply blood to the retina, ensuring it receives the nutrients it needs.

Definition: Relating to the choroid, which is a layer of blood vessels in the eye that provides nutrients and oxygen to the retina.

Example: The doctor explained that the choroidal layer is essential for maintaining healthy vision.

Definition: The shortest time needed to stimulate a muscle or nerve using a specific amount of electrical current.

Example: The doctor measured the chronaxie to determine the nerve's responsiveness.

Definition: Something that lasts for a long time or happens often, especially in relation to diseases or habits.

Example: He has chronic back pain that never seems to go away.

Definition: In a way that is long-lasting or persistent, often referring to a condition or situation that continues over time.

Example: She suffers from chronic pain that affects her daily life.

Definition: The state of having a long-lasting or persistent condition, often related to health issues.

Example: The chronicity of her illness required ongoing treatment and management.

Definition: A method of treating sleep disorders by adjusting the times a person sleeps and wakes, aiming to realign their internal biological clock.

Example: Chronotherapy can help people with insomnia by shifting their sleep schedule to better match their natural rhythms.