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Physiology

PGMEE, MBBS, MD/MS

Calcium Metabolism

Epomedicine Jul 6, 2022 No Comments BiochemistryMusculoskeletal systemPhysiology

Functions Mnemonic: Six ‘C’s Contraction of muscles (Coupling of excitation-contraction) Conduction in nerves Cardiac function Coagulation in blood (Co-factor) Communication (intracellular messengers) for hormones, autacoids…

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PGMEE, MBBS, MD/MS

Renal Counter-Current Mechanism Made Easy

Epomedicine Sep 11, 2021 No Comments PhysiologyRenal and Electroloyte

The term counter-current means flow in opposite direction. The renal counter-current mechanism comprises of: Flow of filtrate in opposite direction in nephron loop (down the…

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PGMEE, MBBS, MD/MS

Oxygen Hemoglobin Dissociation Curve : Mnemonic

Epomedicine Aug 28, 2021 No Comments AnesthesiaPhysiologyRespiratory system

The oxygen hemoglobin dissociation curve is sigmoidal in shape because the binding of 1st oxygen molecule is difficult, however once bound, they facilitate the binding…

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PGMEE, MBBS, MD/MS

Nerve fibers – Classification

Epomedicine Sep 7, 2020 3 Comments AnesthesiaNervous systemPhysiology

Nerve fibers can be classified as A, B and C and A type fibers can be further classified into alpha, beta, gamma and delta. The…

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PGMEE, MBBS, MD/MS

Physiology of Pulmonary Surfactant

Epomedicine Jun 16, 2020 No Comments PhysiologyRespiratory system

Origin Type II alveolar cells/pneumocytes (small but numerous) and Lamellar bodies (appear in Type II pneumocytes at around the 20th week of gestation) Type I…

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Clinical Skills and Approaches

Bulbocavernosus Reflex (BCR)

Epomedicine Jun 14, 2020 No Comments Clinical examinationNervous systemPhysiology

Synonyms: Bulbospongiosus reflex (BSR), Osinski reflex Reflex arc: a. Stimulus: Briskly squeezing glans penis or clitoris or Tugging Foley’s catheter (pulling the balloon of foley’s…

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PGMEE, MBBS, MD/MS

Micturition reflex

Epomedicine Jun 13, 2020 No Comments PhysiologyRenal and Electroloyte

Micturition (Urination) is the ejection of urine from the urinary bladder through the urethra to the outside of the body. It is a type of…

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visual cycle
PGMEE, MBBS, MD/MS

Visual cycle – Simplified

Dr. Sulabh Kumar Shrestha, MS Orthopedics May 31, 2019 No Comments OphthalmologyPhysiology

11-cis-retinal combines with opsin protein to form rhodopsin. Light stimulates conversion of rhodopsin bound 11-cis-retinal to all-trans-retinol (all-trans-retinol is transported from photoreceptor cells to retinal…

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