The correct spelling of the bacterial species "Streptococcus lanceolatus" can be explained using IPA phonetic transcription. The first syllable is "strɛptə", with the "e" sound pronounced as in "bed". The second syllable sounds like "kəkəs", with the first syllable pronounced softly. The final word, "lænsiəleɪtəs", is pronounced with the letter "a" sounding like "ah" or "aa" and the "e" sounding like "eh" or "ae". Overall, the word is pronounced "strep-tuh-kok-uhs lan-see-uh-lay-tuhs".
Streptococcus lanceolatus is a species of Gram-positive bacteria that belongs to the Streptococcus genus. It is characterized as a coccus, or spherical bacterium, and displays a chain-like arrangement when observed under a microscope. The name "lanceolatus" refers to its lance-shaped morphology, as each individual bacterium tapers at both ends.
This bacterium is a facultative anaerobe, meaning it can survive in environments with or without oxygen. It is catalase-negative, indicating it lacks the enzyme catalase, which is responsible for breaking down hydrogen peroxide.
Streptococcus lanceolatus is a pathogenic species that can cause various infections in humans. It is commonly associated with respiratory tract infections, including pneumonia, pharyngitis, and sinusitis. It is also known to cause invasive diseases such as meningitis and sepsis.
Like other streptococci, S. lanceolatus is primarily transmitted through respiratory droplets or direct contact with infected individuals. It can colonize the human respiratory tract and throat, leading to infection in susceptible individuals, particularly those with weakened immune systems or pre-existing medical conditions.
Treatment of infections caused by S. lanceolatus typically involves antibiotics, such as penicillin or other beta-lactam drugs. However, due to the potential emergence of antibiotic-resistant strains, susceptibility testing is important to determine the most appropriate antibiotic for treatment.
In summary, Streptococcus lanceolatus is a lance-shaped, Gram-positive bacterium that can cause various respiratory infections and invasive diseases in humans.
Diplococcus pneumoniae.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "Streptococcus lanceolatus" has its etymology rooted in Latin and Greek:
1. Streptococcus: The term "Streptococcus" originates from two Greek words. "Strepto" comes from the Greek word "streptos", meaning twisted or curved, while "coccus" comes from the Greek word "kokkos", which refers to a grain or seed. Thus, "Streptococcus" can be translated as "twisted or curved berry-like".
2. Lanceolatus: "Lanceolatus" is a Latin word that is derived from the Latin word "lancea", meaning lance or spear. The suffix "-latus" means broad or wide. Hence, "lanceolatus" can be interpreted as "spear-shaped or lance-shaped".