Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
June 21, 2023
Anatomy

Comedones: Causes, Treatment, and Prevention of Blackheads and Whiteheads.

Comedo (plural: Comedones) Hair follicle filled with keratin and sebum. When the sebum of the comedone is exposed to the environment, it oxidizes and turns black (blackheads)....

Mohamed Abbas
June 21, 2023
Cardiology

The Significance of Purkinje Fibers in Heart Function and Cardiac Arrhythmias: An Overview

Purkinje fibers depolarize the contractile cells of both ventricles (20-40bpm) Purkinje fibers are specialized muscle fibers located in the walls of the ventricles of the heart. These...

Mohamed Abbas
June 21, 2023
Cardiology

The Importance and Interpretation of P Waves on an Electrocardiogram (ECG) for Heart Health Assessment

P wave atrial depolarization A P wave is a type of electrical signal that is seen on an electrocardiogram (ECG) and represents the electrical activity of the...

Mohamed Abbas
June 21, 2023
Cardiology

QRS Complex: Importance and Significance in ECG Waveform and Heart Function

QRS complex ventricular depolarization and atrial repolarization The QRS complex is an important feature of the electrocardiogram (ECG) waveform. It is the part of the ECG that...

Mohamed Abbas
June 21, 2023
Cardiology

T Wave in ECG: Importance in Diagnosing and Managing Cardiac Conditions

T wave ventricular repolarization The T wave is a part of the electrocardiogram (ECG) waveform that represents the electrical activity of the heart during repolarization of the...

Mohamed Abbas
June 21, 2023
Virology

Discovering the Fascinating World of Prokaryotes: Structure, Reproduction, Metabolism, Ecological Importance, and Human Interaction

Prokaryotes * NO nucleus; (No membrane organelles, simple, small); Bacteria Prokaryotes are single-celled organisms which do not have a nucleus or any membrane-bound organelles. They are the...

Mohamed Abbas
June 21, 2023
Mycology

Eukaryotes: Their Structural Complexity and Cellular Functions

Eukaryotes Has a nucleus; (have membrane organelles, larger, complex); animals, plants, fungi, protista Eukaryotes are organisms that have a cell nucleus and other membrane-bound organelles within their...

Mohamed Abbas
June 21, 2023
Virology

The Anatomy and Functions of the Cell Membrane: A Comprehensive Guide

Cell Membrane A thin, flexible layer that surrounds cells; helps to control what can enter or leave the cell The cell membrane is a thin, semi-permeable layer...