The 2-Minute Rule for human anatomy

The 2-Minute Rule for human anatomy

Blog Article

circadian rhythm – inside perception with the day-to-day cycle of sunshine and dim determined by retinal exercise relevant to sunlight.

capsaicin – molecule that activates nociceptors by interacting using a temperature-delicate ion channel and is particularly The idea for “warm” sensations in spicy foodstuff.

cartilage – semi-rigid connective tissue discovered over the skeleton in parts exactly where versatility and easy surfaces guidance movement.

Enhancement also includes the processes of progress and repair, equally of which contain cell differentiation.

abdominal aorta – percentage of the aorta inferior to your aortic hiatus and excellent into the prevalent iliac arteries.

adrenal medulla – internal layer from the adrenal glands that plays a very important part inside the tension response by developing adrenaline and noradrenaline.

arrector pili – smooth muscle that is activated in reaction to external stimuli that pull on hair follicles and make the hair “stand up”.

basal nuclei – nuclei of the cerebrum (that has a couple elements inside the upper Mind stem and diencephalon) which might be accountable for assessing cortical motion instructions and evaluating them with the general condition of the person by way of wide modulatory exercise of dopamine neurons; mainly relevant to motor features, as evidenced with the symptoms of Parkinson’s and Huntington’s health conditions.

atrioventricular bundle – (also, click here bundle of His) group of specialised myocardial conductile cells that transmit the impulse through the AV node from the interventricular septum; type the remaining and right atrioventricular bundle branches.

chorion – membrane that develops with the syncytiotrophoblast, cytotrophoblast, and mesoderm; surrounds the embryo and forms the foetal part of the placenta from the chorionic villi.

course switching – capacity of B cells to change the class of antibody they produce without the need of altering the specificity for antigen.

costal facet – web site around the lateral sides of the thoracic vertebra for articulation with The top of a rib.

axon – solitary technique of the neuron that carries an electrical signal (action opportunity) far from the mobile body toward a target mobile.

abduction – movement while in the coronal airplane that moves a limb laterally away from the body; spreading check here in the fingers.