The spelling of "pituitary membrane" can be a bit tricky due to its pronunciation. In IPA phonetic transcription, it is written as /pɪˈtjuːɪtəri mɛmˈbreɪn/, with the stress on the second syllable of "pituitary" and the first syllable of "membrane". The "p" in "pituitary" is pronounced softly like a "b", while the "u" is pronounced like "you". As for "membrane", the emphasis is on the second syllable, and the "b" is silent. When written correctly, this word can be easily pronounced and understood.
The pituitary membrane, also known as the pituitary capsule or pituitary sheath, refers to a protective layer that surrounds the pituitary gland, which is located at the base of the brain within a bony cavity called the sella turcica. It represents a thin and fibrous connective tissue structure that encloses and encompasses the gland, providing support and ensuring its integrity.
This membrane acts as a barrier and separates the pituitary gland from surrounding structures, such as the brain and blood vessels. It serves to maintain the distinct identity of the pituitary gland and protects it from potential damage or interference caused by adjacent tissues.
The pituitary gland is often described as a master gland due to its crucial role in regulating various bodily functions, including growth, metabolism, reproduction, and control of other endocrine glands. Therefore, the pituitary membrane plays a vital role in maintaining the normal functioning of the gland.
In addition to its protective function, the pituitary membrane also serves as a conduit for blood vessels and nerve fibers that supply the gland. This allows for the exchange of necessary nutrients, hormones, and signals between the pituitary gland and the rest of the body.
Overall, the pituitary membrane is a vital component of the pituitary gland's anatomy, providing a protective covering, support, and essential pathways for the proper functioning of this critical endocrine organ.
Membrana pituitosa.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The fine membrane lining the nostrils.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "pituitary" originates from the Latin term "pituita", which refers to "phlegm" or "nasal mucus". This Latin word is derived from the verb "pitui", meaning "to drool" or "to flow". The adjective form of "pituitary" is "pituitaris", which means "relating to or belonging to phlegm".
The term "membrane" has its roots in the Latin word "membrana", meaning "a film" or "thin layer".
When these two terms— "pituitary" and "membrane"—are combined, they refer to the thin layer of tissue that surrounds the pituitary gland.