WebAnimal YouTube channels to know about #1 BBC Earth It is one of the most followed animal YouTube channels that features some of the top researches, documentaries and short videos on the wild. The channel … WebThe cell membrane is permeable to several ions, the most important of which are Na +, K +, Ca ++ and Cl - . These ions pass across the membrane through specific ion channels …
20 Biology Jokes So Funny, They Cell Themselves
WebMay 1, 2006 · “Funny” (f) channels underlie the cardiac “pacemaker” I f current, originally described as an inward current activated on hyperpolarization to the … fal vs bak live
What is the funny channel in the heart? - Studybuff
WebThe pacemaker current (or I f, or I Kf, also referred to as the funny current) is an electric current in the heart that flows through the HCN channel or pacemaker channel. Such … WebMar 4, 2024 · Crash Course is a channel that focuses on topics like history, biology, literature, and ecology. This channel provides tons of great information in a very simple manner. The production quality is nothing to sneeze at. Their videos are very well made and always have beautiful animations. The pacemaker current (If, or IKf, also called funny current) is an electric current in the heart that flows through the HCN channel or pacemaker channel. Such channels are important parts of the electrical conduction system of the heart and form a component of the natural pacemaker. First described in the late … See more The funny current is highly expressed in spontaneously active cardiac regions, such as the sinoatrial node (SAN, the natural pacemaker region), the atrioventricular node (AVN) and the Purkinje fibres of … See more A similar current, termed Ih (hyperpolarization-activated), has also been described in different types of neurons where it … See more Because of their relevance to generation of pacemaker activity and modulation of spontaneous frequency, f-channels are natural targets of drugs aimed to pharmacologically control heart rate. Several agents called "heart rate reducing agents" act by … See more The molecular determinants of the pacemaker current belong to the HCN channel (hyperpolarization-activated cyclic nucleotide–gated channel), of which 4 isoforms (HCN1 to HCN4) are known. Based on their sequence, HCN channels are classified as … See more • Pacemaker potential • Cardiac pacemaker • Cardiac action potential See more hl7 germany