Dermatophyte Test Medium principle and colonies morphology

Dermatophyte Test Medium MLTGEEKS

Dermatophyte Test Medium abbreviated DTM is  a growth selective growth medium used for the selective isolation of dermatophytes. Dermatophytes are a distinct group of fungi that infect the skin,hair and nails of humans and animals engendering a variety of cutaneous infections known  as ringworm or…

Potato Dextrose Agar Principle,Composition and Colony characteristics

Black Mold Aspergillus niger on Potato Dextrose agar

Potato dextrose agar is a fungi growth media recommended for the isolation and counting of yeasts and moulds from dairy products and other foodstuffs. It is also used for stimulating sporulation,maintaining stock cultures of certain dermatophytes and for the differentiation of typical varieties of dermatophytes…

Normal Flora and Their Various Location in the Body

Normal Flora MLTGEEKS

The internal tissues of a healthy human being, e.g. brain,blood, muscle, etc., are normally sterile or  free of microorganisms.But the surface tissues of the human body that is the skin and mucous membranes are frequently in contact with environmental organisms and become readily colonized by…

Introduction to Medical Mycology and importance of Fungi

Fungi Infection MLT GEEKS

Mycology is the study of fungi though the term mycology is derived from the greek word “mykes” meaning mushroom.Mycology is the generalisation of fungi and represents one of the oldest discipline of microbiology. Fungi are microorganisms in the domain Eukarya. Fungi show less differentiated than…

Sabouraud Dextrose Agar (SDA) Composition, Principle, Uses, Preparation culture and Colony Morphology

Rhodotorula_mucilaginosa_colonies MLTGEEKS

Sabouraud Agar or Sabouraud Dextrose Agar or SDA is a type of agar growth medium containing peptones. SDA  is used to cultivate dermatophytes and other types of fungi, and can also grow filamentous bacteria such as Nocardia. SDA  was created by Raymond Sabouraud in 1892 reason…