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The muscles of the hand can be subdivided into two groups: the extrinsic and intrinsic muscle groups. The extrinsic muscle groups are the long flexors and extensors. They are called extrinsic because the muscle belly is located on the forearm. The intrinsic group are the smaller muscles located within the hand itself. The muscles of the hand ...
Anatomy photo:20:26-0105 at the SUNY Downstate Medical Center — "Heart: The Left Atrioventricular (Mitral) Valve" (anterior, posterior papillary muscles) Atlas image: ht_rt_vent at the University of Michigan Health System} — "Right atrioventricular bundle branch, anterior view" Definition of Papillary muscle; MedicineNet Search Results
The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...
The trabeculae carneae and the papillary muscles make up a significant percentage of the ventricular mass in the heart (12-17% in normal human adult hearts), and are correlated with ventricular end diastolic volume. [5] Trabeculae ratios of capillary-to myocyte differ between the walls of the right and left ventricle.
Anatomy figure: 20:04-01 at Human Anatomy Online, SUNY Downstate Medical Center – "Posterior view of the heart." [dead link ] Anatomy photo:20:09-0104 at the SUNY Downstate Medical Center [dead link ] – "Heart: The Left Coronary Artery and its Branches" Image at merck.com Archived 14 April 2006 at the Wayback Machine; Overview and ...
SVG illustration of the human heart, created by Wapcaplet in Sodipodi. Slightly modified for correct rendering by Yaddah (no changes to content). Cropped version withour white space available at File:Diagram of the human heart (cropped).svg Uploaded on 24 Dec 2003. Diagram of the human heart: Source: Own work: Author: Wapcaplet, Yaddah: Other ...
The mitral valve is typically 4 to 6 square centimetres (0.62 to 0.93 sq in) in area and sits in the left heart between the left atrium and the left ventricle. [5] It has two cusps: an anterior one, and a posterior one. [6] The opening of the mitral valve is surrounded by a fibrous ring known as the mitral annulus. The anterior cusp attaches to ...
The cardiac muscle pattern is elegant and complex, as the muscle cells swirl and spiral around the chambers of the heart, with the outer muscles forming a figure 8 pattern around the atria and around the bases of the great vessels and the inner muscles, forming a figure 8 around the two ventricles and proceeding toward the apex.