The 2-Minute Rule for human anatomy and physiology

The 2-Minute Rule for human anatomy and physiology

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cardiac skeleton – (also, skeleton in the heart) strengthened connective tissue Found throughout the atrioventricular septum; features 4 rings that encompass the openings among the atria and ventricles, and the openings into the pulmonary trunk and aorta; The purpose of attachment to the heart valves.

anterior tibial vein – sorts from your dorsal venous arch; drains the world near the tibialis anterior muscle mass and contributes to the popliteal vein.

denaturation – loss of shape inside of a protein because of changes in temperature, pH, or chemical exposure.

costal cartilage – hyaline cartilage construction attached into the anterior close of every rib that provides for possibly immediate or oblique attachment of most ribs for the sternum.

cranial – describes a posture previously mentioned or increased than One more Portion of the body suitable; also generally known as top-quality.

atrial reflex – (also, identified as Bainbridge reflex) autonomic reflex that responds to extend receptors during the atria that mail impulses towards the cardioaccelerator spot to boost HR when venous move to the atria improves.

autonomic nervous system (ANS) – practical division of your anxious procedure that may be chargeable for homeostatic reflexes that coordinate Charge of cardiac and sleek muscle mass, and also glandular tissue.

ampulla – (of your uterine tube) middle part of the uterine tube through which fertilisation usually happens

checkpoint – development level inside the cell cycle during which selected circumstances has to be satisfied to ensure that the cell to commence to a subsequence phase.

autorhythmicity – potential of cardiac muscle to initiate its own electrical impulse that triggers the mechanical contraction that pumps blood at a set pace devoid of anxious or endocrine Handle.

amniotic cavity – cavity that opens amongst the interior mobile mass website as well as trophoblast; develops into amnion.

corneal reflex – protecting reaction to stimulation in the cornea causing contraction of your orbicularis oculi muscle mass causing blinking of the attention.

Of these functions, aid is considered the most primitive along with the oldest; Also, the axial part of the skeleton was the main to evolve. The vertebral column, here similar to the notochord in decrease organisms, is the key aid from the trunk.

basement membrane – in epithelial tissue, a skinny layer of fibrous content that anchors the epithelial tissue on the underlying connective tissue; designed up in the basal lamina and reticular lamina.