5 Simple Techniques For human anatomy and physiology definition
5 Simple Techniques For human anatomy and physiology definition
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cone photoreceptor – one of the two varieties of retinal receptor mobile that may be specialised for colour vision from the use of a few photopigments dispersed as a result of three individual populations of cells.
capsaicin – molecule that activates nociceptors by interacting using a temperature-sensitive ion channel which is The premise for “sizzling” sensations in spicy food stuff.
dense connective tissue – connective tissue correct that contains a lot of fibres that give both equally elasticity and security.
diploë – layer of spongy bone, that is definitely sandwiched between two the levels of compact bone located in flat bones.
diastolic strain – decrease number recorded when measuring arterial blood pressure level; signifies the nominal benefit similar to the pressure That continues to be all through ventricular relaxation.
cauda equina – bundle of spinal nerve roots that descend through the lower spinal twine below the 1st lumbar vertebra and lie in the get more info vertebral cavity; has the looks of a horse’s tail.
central chemoreceptor – on the list of specialised receptors that are located during the brain that sense modifications in hydrogen ion, oxygen, or carbon dioxide concentrations while in the brain.
condylar strategy of the mandible – thickened upward projection from posterior margin of mandibular ramus.
aortic arch – arc that connects the ascending aorta to your descending aorta; ends with the intervertebral disk involving the fourth and fifth thoracic vertebrae.
antigen presentation – binding of processed antigen to your protein-binding cleft of a major histocompatibility intricate molecule.
activation gate – Element of the voltage-gated Na+ channel that opens if the membrane voltage reaches threshold.
capillary – smallest of blood vessels the place Bodily exchange takes place between the blood and tissue cells surrounded by interstitial fluid.
connective tissue – type of tissue that serves to carry in place, hook up, and integrate the body’s organs and units.
anterior cruciate ligament – intracapsular get more info ligament with the knee; extends from anterior, excellent surface on the tibia towards the internal aspect of the lateral condyle on the femur; resists hyperextension of knee.