A Simple Key For human anatomy & physiology Unveiled
A Simple Key For human anatomy & physiology Unveiled
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arachnoid mater – middle layer in the meninges named for the spider-Internet–like trabeculae that stretch amongst it and also the pia mater.
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dense body – sarcoplasmic construction that attaches on the sarcolemma and shortens the muscle as skinny filaments slide past thick filaments.
cleavage furrow – contractile ring that varieties close to a cell during cytokinesis that pinches the cell into two halves.
Interactive Hyperlink Look at this animation To find out more about metabolic procedures. Which organs in the body likely perform anabolic processes? How about catabolic procedures?
coronary sinus – huge, slim-walled vein within the posterior floor of the heart that lies inside the atrioventricular sulcus and drains the heart myocardium directly into the ideal atrium.
anterior horn – grey issue on the spinal cord made up of multipolar motor neurons, from time to time referred to as the ventral horn.
deep femoral artery – branch in the femoral artery; presents rise towards the lateral circumflex arteries.
aortic arch – arc that connects the ascending aorta for the descending aorta; finishes in the intervertebral disk amongst the fourth and fifth thoracic vertebrae.
acrosomal response – launch of digestive enzymes by sperm that allows them to burrow through the corona radiata and penetrate the zona pellucida of an oocyte more info ahead of fertilisation.
colloid – viscous fluid during the central cavity of thyroid follicles, containing the glycoprotein thyroglobulin.
corneal reflex – protecting response to stimulation on the cornea triggering contraction of your orbicularis oculi muscle leading to blinking of the attention.
cricoid cartilage – part website of the larynx composed of a hoop of cartilage with a broad posterior area and a thinner anterior region; hooked up on the oesophagus.
brush border – shaped by microvilli on the area of particular cuboidal cells; inside the kidney it truly is located in the PCT; increases floor region for absorption inside the kidney.