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The heart is a muscular organ found in humans and other animals.This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2]
The pericardium (pl.: pericardia), also called pericardial sac, is a double-walled sac containing the heart and the roots of the great vessels. [1] It has two layers, an outer layer made of strong inelastic connective tissue (fibrous pericardium), and an inner layer made of serous membrane (serous pericardium).
The cycle diagram depicts one heartbeat of the continuously repeating cardiac cycle, namely: ventricular diastole followed by ventricular systole, etc.—while coordinating with atrial systole followed by atrial diastole, etc.
18091 Ensembl ENSG00000183072 ENSMUSG00000015579 UniProt P52952 P42582 RefSeq (mRNA) NM_004387 NM_001166175 NM_001166176 NM_008700 RefSeq (protein) NP_001159647 NP_001159648 NP_004378 NP_032726 Location (UCSC) Chr 5: 173.23 – 173.24 Mb Chr 17: 27.06 – 27.06 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Homeobox protein Nkx-2.5 is a protein that in humans is encoded by the NKX2 ...
The US Institute of Medicine (IOM) established Recommended Dietary Allowances (RDAs) for calcium in 1997 and updated those values in 2011. [6] See table. The European Food Safety Authority (EFSA) uses the term Population Reference Intake (PRIs) instead of RDAs and sets slightly different numbers: ages 4–10 800 mg, ages 11–17 1150 mg, ages 18–24 1000 mg, and >25 years 950 mg. [10]
Crossopriza lyoni is a widespread species of cellar spiders that prefer to live in or around human structures.They are commonly known as tailed cellar spiders, tailed daddy longlegs spiders, and sometimes box spiders.
Thalassiosira was first described in 1873 by P.T. Cleve. [5] The genus name of Thalassiosira is named after Thalassa the Greek word for the 'sea' and for its divine female personification in Greek mythology Cleve noted "The Thalassiosira ... occurs in enormous large masses, floating on the surface of the sea and colouring it for many miles in extent".
Pleurophascum grandiglobum is a moss endemic to Tasmania, Australia, and was first noted by S. O. Lindberg in 1875 for its peculiar form of cleistocarpous capsule, erect growth form, lateral perichaetia, and ecostate leaves. [1]