Tag: absorption

March 4, 2026 / Mohammed looti

MICROVILLUS

The Morphological and Physiological Significance of the Microvillus In the complex landscape of cellular biology, microvilli represent specialized, finger-like extensions of the plasma membrane that significantly modify the cell’s surface architecture. These microscopic projections are not merely static structures but are dynamic components of the cellular membrane, often forming a dense, tessellated surface known as […]

November 2, 2025 / Mohammed looti

RECTAL ADMINISTRATION

Introduction to Rectal Administration Rectal administration, often abbreviated as PR (per rectum), is a specialized pharmacological route employed for the systemic or local delivery of therapeutic agents. This method involves the placement of medication, typically in the form of a suppository, enema, or solution, directly into the rectal cavity. This route is critical in clinical […]