The 2-Minute Rule for human anatomy meaning
The 2-Minute Rule for human anatomy meaning
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A human body consists of trillions of cells organized in a way that maintains distinctive interior compartments. These compartments maintain body cells divided from exterior environmental threats and maintain the cells moist and nourished. In addition they different inside body fluids within the innumerable microorganisms that expand on body surfaces, such as the lining of certain passageways that connect with the outer surface of your body.
cutaneous membrane – pores and skin; epithelial tissue created up of the stratified squamous epithelial cells that include the surface on the body.
coronary arteries – branches on the ascending aorta that supply blood for the heart; the still left coronary artery feeds the left aspect in the heart, the still left atrium and ventricle, and the interventricular septum; the ideal coronary artery feeds the proper atrium, parts of equally ventricles, along with the heart conduction program.
cleavage – type of mitotic cell division wherein the cell divides but the whole volume remains unchanged; this method serves to generate more compact and smaller cells.
cranial – describes a place previously mentioned or larger than One more Component of the body correct; also generally known as superior.
cauda equina – bundle of spinal nerve roots that descend from your decreased spinal cord under the first lumbar vertebra and lie throughout the vertebral cavity; has the appearance of the horse’s tail.
centriole – modest, self-replicating organelle that gives the origin for microtubule development and moves DNA throughout cell division.
cytoskeleton – “skeleton” of a mobile; formed by rod-like proteins that help the cell’s shape and provide, amongst other functions, locomotive abilities.
bronchial tree – collective name for the a number of branches with the bronchi and bronchioles on the respiratory process.
artificial pacemaker – healthcare system that transmits electrical indicators for the heart in order that it contracts and pumps blood into the body.
adrenal cortex – outer location of the adrenal glands check here consisting of numerous levels of epithelial cells and capillary networks that creates mineralocorticoids and glucocorticoids.
cardiac reflexes – number of autonomic reflexes that allow the cardiovascular centres to control heart operate based mostly upon sensory info from several different visceral sensors.
bipolar – condition of the neuron with two processes extending from your neuron cell body—the axon and one dendrite.
anterior website corticospinal tract – division on the corticospinal pathway that travels throughout the ventral (anterior) column with the spinal wire and controls axial musculature with the medial motor neurons while in the ventral (anterior) horn.