Sugar media test showing negative, positive carbohydrate fermentation and gas production results

Wilson Blair Media

Introduction Wilson & Blair’s Medium is a selective differential medium primarily used for the isolation and identification of Salmonella typhi from stool, urine, or food samples. It contains bismuth sulfite which inhibits most intestinal bacteria

First trimester baby growth and development with images of 1, 2, and 3 months pregnancy stages

First Trimester

Introduction Three months of pregnancy represent a very special chapter in every woman’s life. In medical terms, this stage is called the First Trimester. At this point, the baby’s heartbeat, brain, and other vital organs

Lowenstein Jensen Media

Introduction Lowenstein-Jensen (LJ) medium is a selective egg-based solid medium used for the isolation and cultivation of Mycobacterium species, particularly Mycobacterium tuberculosis.It was first developed by Lowenstein (1931) and later modified by Jensen (1932) to

Selenite Broth

Introduction Selenite F Broth is a selective enrichment liquid medium primarily used for the isolation of Salmonella species, especially S. Typhi from feces, urine, sewage, and food samples.It contains sodium selenite, which inhibits the growth

Tetrathionate Broth base with test tubes showing selective enrichment medium for Salmonella – www.healthseba.com

Tetrathionate Broth

Introduction Tetrathionate broth is a selective enrichment liquid medium used for the isolation of Salmonella species (except S. Typhi).It contains tetrathionate ions and bile salts, which inhibit the growth of commensal intestinal bacteria, while allowing

Loeffler’s Serum Slope medium showing bacterial growth in test tubes with Himedia medium container

Loeffler’s Serum Slope LSS

Introduction Loeffler’s Serum Slope (LSS) is an enriched medium first developed by Friedrich Loeffler in 1887 for the cultivation of Corynebacterium diphtheriae.It contains serum (animal/human), nutrient broth, and glucose which support the rapid growth of

Illustration showing early signs of pregnancy including fatigue, nausea, food aversion, faintness, mood swings, raised temperature, frequent urination, constipation, missed period, slight bleeding, headache, and tender breasts.

Early Signs of Pregnancy

Introduction Pregnancy is a natural process, which is a very important chapter in every woman’s life. Sometimes it is difficult to understand whether pregnancy has occurred in the early stages. However, it is possible to

Chocolate Agar composition, preparation, and uses in microbiology culture media

Chocolate Agar Composition Uses

Introduction Chocolate Agar (CA) is an enriched culture medium derived from blood agar. Specifically, it is prepared by heating blood agar until the red blood cells lyse, releasing intracellular nutrients such as hemoglobin (factor X)

Blood Agar – microbiological culture medium for bacterial growth and hemolysis study

Blood Agar

Introduction Blood Agar (BA) is an enriched and differential culture medium widely used in microbiology laboratories. It is prepared by adding 5–10% sterile defibrinated blood (commonly sheep, horse, or human blood) to nutrient agar base.BA