sinoatrial node
121heart muscle — noun the muscle tissue of the heart; adapted to continued rhythmic contraction • Syn: ↑cardiac muscle • Hypernyms: ↑muscle, ↑muscular tissue • Hyponyms: ↑pacemaker, ↑cardiac pacemaker, ↑ …
122Cardiology — [ ECG indicator; diagrams like this are used in Cardiology.] Cardiology (from Greek gr. καρδίᾱ, kardiā , heart ; and gr. λογία, logia ) is the branch of internal medicine dealing with disorders of the heart and blood vessels. The field is… …
123Strogg — The Strogg are a fictional alien race who serve as the primary antagonists in the Quake videogame series, specifically Quake II and Quake 4 . They are a playable faction in and .The Strogg are a militant cybernetic race who attacked and… …
124Beta-2 adrenergic receptor — The beta 2 adrenergic receptor (β2 adrenoreceptor), also known as ADRB2, is an beta adrenergic receptor, and also denotes the human gene encoding it.cite web | title = Entrez Gene: ADRB1 adrenergic, beta 1 , receptor| url =… …
125Excitation-contraction coupling — Excitation contraction (EC) coupling is a term coined in 1952 to describe the physiological process of converting an electrical stimulus to a mechanical response [1]. This process is fundamental to muscle physiology, whereby the electrical… …
126Syncope (medicine) — ICD 10 R55 ICD 9 …
127CVS adjustments during postural changes — The slowed pulse rate in the horizontal posture as compared to a quicker rate in standing posture depends on different mechanisms of blood pressure regulation in the body. The sitting lying difference is due to hydrostatic influence acting mainly …
128S-Anode — S A node (ĕsʹāʹ) n. The sinoatrial node. * * * …
