Definition: Relating to the process of forming blood cells in the body.

Example: The hematopoietic system is crucial for producing red and white blood cells.

Definition: A type of pigment that is a derivative of protoporphyrins, often found in biological systems and used in various medical applications.

Example: Hematoporphyrin is used in photodynamic therapy to treat certain types of cancer.

Definition: A chemical compound derived from logwood, used primarily as a dye or stain in biological and histological applications.

Example: The laboratory technician used hematoxylin to stain the tissue samples for examination under the microscope.

Definition: The presence of blood in the urine.

Example: The doctor diagnosed her with hematuria after she noticed blood in her urine.

Definition: A red, iron-containing compound found in hemoglobin and myoglobin that helps transport oxygen in the blood.

Example: Heme is essential for the function of hemoglobin in carrying oxygen throughout the body.

Definition: A type of forewing found in certain insects, which is thick at the base and membranous at the tip.

Example: The hemelytron of the bug helps it to fly and protects its body.

Definition: A type of protein that contains iron and helps some marine animals transport oxygen in their blood.

Example: Hemerythrin is important for the oxygen transport in certain marine invertebrates.

Definition: A type of chemical compound that has a specific structure with a hydroxyl group and an alkyl group, often formed during the process of making acetals from aldehydes or ketones.

Example: In organic chemistry, a hemiacetal can be formed when an aldehyde reacts with an alcohol.

Definition: Relating to the blood or the circulation of blood.

Example: The doctor explained that hemic conditions can affect overall health.

Definition: A type of carbohydrate found in plant cell walls that is less complex than cellulose and can be broken down into simpler sugars.

Example: Hemicellulose plays an important role in the structure of plant cell walls.