Figure 1. The pulmonary circuit moves blood from the right side of the heart to the lungs and back to the heart. The systemic circuit moves blood from the left side of the heart to the head and body and returns it to the right side of the heart to repeat the cycle. The arrows indic...
In humans, the function and structure of blood vessels can be affected by a number of different diseases and conditions. Some examples includeinflammation;atherosclerosis, which involves thedepositionof fat in the arterial endothelium; andhypertension, in which narrowing of the arterioles causes an abno...
shaped and commonly have more than onenucleus. Frequently they containfatdroplets, pigment granules, and crystalline structures; the Leydig cells vary greatly in number and appearance among the variousanimalspecies. They are surrounded by numerous blood and lymphatic vessels, as well as bynervefibres....
8. Cardiomyopathy is a disease in which the heart muscle becomes inflamed and doesn't function properly. 9. Endothelial function is a measure of the activity of endothelial cells that line the inside of the blood vessels. 10. The degree to which exposure to these contaminants suppresses immune...
The location and possible function of the human frontal eye-field (FEF) were evaluated by reviewing results of cerebral blood-flow (CBF) and lesion studies. A remarkable consistency was found regarding the rostro-caudal (Y: from −6 to 1 mm) and dorso-ventral (Z: from 44 to 51 mm) ...
Heart attacks.These are caused by sudden blockages that prevent oxygen-rich blood from reaching your heart. This can impede blood flow to your brain. Encephalitis.This is swelling within your brain. It can inhibit certain bodily functions depending on the extent and location of the swelling. ...
This blood–testis barrier separates the spermatogonia and early meiotic cells in the basal region of the seminiferous epithelium from the adlumenal spermatocytes and spermatids. In this way, a large majority of the developing germ cells are sequestered behind a physical barrier within a highly ...
Associations between kidney function and dementia risk are inconclusive. Chronic kidney disease (CKD) severity is determined by levels of both estimated glomerular filtration rate (eGFR) and the urine albumin to creatinine ratio (ACR). However, whether t
cessation of movement (“freezing”), a defensive behaviour, and increased skin conductance responses or increasedblood pressure(autonomic measures that reflect arousal level). Lesions of the amygdala impair the acquisition and expression of this learning....
also is a source of a number of different hormones, which serve various roles inmetabolismand endocrine function. The adipose-produced hormones adiponectin, leptin, and resistin are involved in energy metabolism, for example, whereas plasminogen activator inhibitor-1 prevents thedissolutionof blood ...