decussate – to cross the midline, as in fibres that project from a person side on the body to another.
capsaicin – molecule that activates nociceptors by interacting by using a temperature-delicate ion channel and is also The idea for “sizzling” sensations in spicy meals.
dense body – sarcoplasmic structure that attaches to the sarcolemma and shortens the muscle as thin filaments slide earlier thick filaments.
costal cartilage – hyaline cartilage structure hooked up to the anterior close of each and every rib that provides for possibly immediate or indirect attachment of most ribs to your sternum.
Security with the heart, lungs, and also other organs and structures within the chest produces an issue considerably distinct from that with the central anxious program. These organs, the operate of which consists of motion, expansion, and contraction, have to have a versatile and elastic protective covering. This type of masking is provided by the bony thoracic basket, or rib cage, which forms the skeleton get more info of the wall of the chest, or thorax.
crista galli – tiny upward projection located on the midline in the floor with the anterior cranial fossa; fashioned because of the ethmoid bone.
depolarise – to lessen the voltage distinction between the inside and outside of the mobile’s plasma membrane (the sarcolemma for just a muscle mass fibre), building the inside significantly less destructive than at relaxation.
defensins – antimicrobial proteins released from neutrophils and macrophages that create openings within the plasma membranes to kill cells.
atrioventricular bundle – (also, bundle of His) group of specialised myocardial conductile cells that transmit the click here impulse through the AV node in the interventricular septum; form the remaining and right atrioventricular bundle branches.
antigen presentation – binding of processed antigen on the protein-binding cleft of A serious histocompatibility advanced molecule.
adrenal cortex – outer region of your adrenal glands consisting of many layers of epithelial cells and capillary networks that produces mineralocorticoids and glucocorticoids.
cytokines – class of proteins that act as autocrine or paracrine signalling molecules; within the cardiovascular process, they promote the proliferation of progenitor cells and aid to encourage both of those nonspecific and precise resistance to condition.
anterior – describes the front or path toward the front of the body; also generally known as ventral.
coronoid fossa – despair about the anterior surface area of the humerus higher than the trochlea; this Place gets the coronoid process of the ulna in the event the elbow is maximally flexed.