Synonyms: Hansen’s disease, Kushta roga, Mezels Definition: Leprosy is a chronic granulomatous disease, caused by Mycobacterium leprae which affects prinicpally the skin and peripheral nerves. Other commonly affected sites are the cooler parts of the body like mucosa of upper respiratory tract, anterior chamber of eyes and testes. The cooler…

Jugular Venous Pulse and Pressure (JVP) Examination
Definition of Jugular venous Pulse and Pressure Jugular venous pulse is defined as the oscillating top of vertical column of blood in the right Internal Jugular Vein (IJV) that reflects the pressure changes in the right atrium in cardiac cycle. Jugular venous pressure (JVP) is the vertical height of oscillating…
Applied Anatomy of Palatine Tonsils
Synonyms: Tonsils (Unless otherwise specified, tonsils usually refers to palatine tonsils), Faucial tonsils Definition: Almond shaped, ovoid mass of lymphoid tissue situated bilaterally in the lateral wall of oropharynx within the tonsilar recess or sinus bounded by palatoglossal fold anteriorly i.e. anterior pillar and palatopharyngeal fold posteriorly i.e. posterior pillar….
Applied Anatomy of Tympanic Membrane
Synonyms: Ear drum, Myringa Definition: Tympanic membrane is a thin membrane that separates the external ear from the middle ear. Anatomy: Site: Located at medial end of the external auditory canal, separating it from the middle ear cavity Position: At an angle of 55° to the horizontal to the floor…

Icterus
Synonyms: Jaundice Definition of Icterus Icterus is the yellowish discoloration of skin and mucous membrane and body fluids (CSF, joint fluid, cysts) evident as a result of hyperbilirubinemia with subsequent deposition of bile pigments in tissue which is rich in elastin. The Greeks claimed the sight of an oriole would…

Pallor
Synonyms: Paleness Definition of Pallor Pallor is the paleness of skin and mucous membranes, due to the reduced amount of oxyhemoglobin or decreased peripheral perfusion. Sites to look for pallor Lower palpebral conjunctiva Tip and dorsum of the tongue Soft palate Nail beds Palmar or plantar creases General body skin…

ECG changes in Pulmonary embolism
Synonyms: Pulmonary artery embolism, Pulmonary embolus, PE Definition: A pulmonary embolus (PE) is a blood clot that embolizes to the lungs. When a clot from peripheral veins, the right atrium or the right ventricle travels into the pulmonary circuit, it effectively blocks forward blood through a portion of the lung…
Pathology Spotters: Instruments
Pathology Spotter Series: Instruments Level: Undergraduate (MBBS) A) Spotter 1: Instrument: Paraffin Block Use: Tissue embedding – After adding fixative, biopsies are embedded in paraffin/wax to support the tissue so that thin sections or slices can be cut and placed on a microscope slide. B) Spotter 2: Instrument: Lumbar Puncture…