5 Simple Techniques For human anatomy and physiology definition
5 Simple Techniques For human anatomy and physiology definition
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arachnoid mater – middle layer on the meninges named for that spider-Net–like trabeculae that stretch concerning it along with the pia mater.
acinus – cluster of glandular epithelial cells in the pancreas that secretes pancreatic secretion during the pancreas.
codon – consecutive sequence of 3 nucleotides on an mRNA molecule that corresponds to a specific amino acid.
prevalent iliac vein – among a set of veins that flows to the inferior vena cava at the extent of L5; the left popular iliac vein drains the sacral area; divides into external and interior iliac veins close to the inferior percentage of the sacroiliac joint
channel protein – membrane-spanning protein that has an interior pore which lets the passage of one or more substances.
blood hydrostatic tension – drive blood exerts in opposition to the partitions of a blood vessel or heart chamber.
autonomic anxious system (ANS) – purposeful division of your anxious program which is liable for homeostatic reflexes that coordinate Charge of cardiac and sleek muscle, and also glandular tissue.
detrusor muscle mass – easy muscle mass in the bladder wall; fibres operate in all Instructions to reduce the measurement on the organ when emptying it of urine.
alar cartilage – cartilage that supports the apex in the nose and helps condition the nares; it is linked to the septal cartilage and connective tissue in the alae.
autorhythmicity – potential of cardiac muscle to initiate its own electrical impulse that triggers the mechanical contraction that pumps blood at a set tempo with out anxious or endocrine Management.
basilar artery – formed within the fusion of The 2 vertebral arteries; sends branches to your cerebellum, Mind stem, read more as well as the posterior cerebral arteries; the most crucial blood source to the brain stem.
Responsiveness is the power of the organism to regulate to variations in its internal and external environments. An example of responsiveness to external stimuli could include things like moving toward sources of foods and h2o and from perceived dangers.
Betz cells – output cells of the key motor cortex that result in musculature to website move as a result of synapses on cranial and spinal motor neurons.
alar plate – developmental area in the spinal cord that offers rise on the posterior horn of the gray make a difference.