Bursa of Fabricius – Definition & Meaning

The bursa of Fabricius is a specialized lymphoid organ found in birds. It plays a crucial role in the development of the bird’s immune system. The bursa of Fabricius was first discovered by Hieronymus Fabricius, an Italian anatomist, in the 17th century. In this article, we will explore the definition, origin, meaning, associations, synonyms, antonyms, and usage of the bursa of Fabricius.

Definitions

The bursa of Fabricius is a sac-like organ located near the cloaca of birds. It is a primary lymphoid organ, which means that it is responsible for the production and maturation of lymphocytes. The bursa of Fabricius is unique to birds and is not found in other animals.

Origin

The bursa of Fabricius was named after Hieronymus Fabricius, who first described it in 1621. Fabricius was a renowned anatomist and physician who made significant contributions to the field of anatomy. He discovered the bursa of Fabricius while dissecting a chicken and was fascinated by its structure and function.

Meaning in different dictionaries

According to the Merriam-Webster dictionary, the bursa of Fabricius is defined as “a lymphoid organ of birds that is situated near the cloaca and is the site of B-cell differentiation.” The Oxford English Dictionary defines it as “a sac-like organ in the cloaca of birds, which is the site of production of B-lymphocytes.”

Associations

The bursa of Fabricius is closely associated with the bird’s immune system. It is responsible for the production and maturation of B-lymphocytes, which are a type of white blood cell that plays a crucial role in the immune response. The bursa of Fabricius is also associated with the production of antibodies, which are proteins that help the body fight off infections.

Synonyms

There are no synonyms for the bursa of Fabricius as it is a unique organ found only in birds.

Antonyms

There are no antonyms for the bursa of Fabricius as it is a unique organ found only in birds.

The same root words

The word “bursa” comes from the Latin word for “purse” or “bag.” The bursa of Fabricius is named after Hieronymus Fabricius, the Italian anatomist who first described it.

Example Sentences

1. The bursa of Fabricius plays a crucial role in the development of the bird’s immune system.
2. The bursa of Fabricius is responsible for the production and maturation of lymphocytes.
3. Antibodies are produced in the bursa of Fabricius.
4. The bursa of Fabricius was first discovered by Hieronymus Fabricius in the 17th century.