How Do You Spell SESSILE HYDATID?

1. A sessile hydatid refers to a specific growth or cyst that occurs in certain organisms, often parasitic in nature. The term "sessile" indicates that the hydatid is firmly attached or fixed to the tissue or organ in which it resides. It does not have a stalk or pedicle but remains stationary, not freely suspended or floating. The adjective "sessile" describes its immobile nature, distinguishing it from other types of growths or cysts.

   Hydatids are typically fluid-filled sacs that develop from the larval stage of certain tapeworms, specifically those belonging to the Echinococcus genus. These parasites have complex life cycles, involving both intermediate and definitive hosts. The larval stage of the Echinococcus tapeworm forms cysts, which can develop in various organs of the intermediate host, such as the liver or lungs.

   A sessile hydatid, therefore, refers to an immobile cystic structure formed by the larval stage of an Echinococcus tapeworm. It forms a fixed attachment to the organ it resides in, commonly resulting in the enlargement and distortion of the affected tissue. Sessile hydatids can cause severe health issues and require medical intervention for proper diagnosis and treatment, which may involve surgical removal or antiparasitic drug therapy.

   Overall, a sessile hydatid denotes a stationary, fluid-filled sac formed by the larval stage of an Echinococcus tapeworm that is firmly attached to a particular organ or tissue within the host's body.

2. Appendix testis.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for SESSILE HYDATID

The etymology of the term "sessile hydatid" can be broken down as follows:

1. Sessile: Sessile is an adjective that comes from the Latin word "sessilis", which means "sitting" or "low". It is derived from the verb "sedere", meaning "to sit". In the context of biology, "sessile" refers to an organism or structure that is fixed in one place and does not move.

2. Hydatid: Hydatid is a noun derived from the Greek word "hydatis", which means "a watery vesicle". In medical terminology, hydatid is often used to describe a cyst-like structure caused by an infection with a tapeworm parasite called Echinococcus. These cysts primarily affect the liver and lungs of animals, including humans.