The 2-Minute Rule for human anatomy and physiology
The 2-Minute Rule for human anatomy and physiology
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blastocyst – expression for the conceptus within the developmental stage that is made of about one hundred cells formed into an internal mobile mass that is certainly fated to become the embryo and an outer trophoblast that's fated to become the related foetal membranes and placenta.
acinus – cluster of glandular epithelial cells in the pancreas that secretes pancreatic secretion while in the pancreas.
dense body – sarcoplasmic construction that attaches for the sarcolemma and shortens the muscle mass as skinny filaments slide past thick filaments.
diploë – layer of spongy bone, that's sandwiched between two the levels of compact bone present in flat bones.
cell membrane – membrane encompassing all animal cells, made up of a lipid bilayer interspersed with various molecules; generally known as plasma membrane.
atrial reflex – (also, named Bainbridge reflex) autonomic reflex that responds to stretch receptors in the atria that send impulses into the cardioaccelerator place to raise HR when venous movement into the atria improves.
chorionic villi – projections from the chorionic membrane that burrow to the endometrium and produce to the placenta.
dorsal – describes the again or route towards the back with the body; also called posterior.
angiotensin I – protein produced by the enzymatic action of renin on angiotensinogen; inactive precursor of angiotensin II.
atrium – (plural = atria) higher or receiving chamber from the heart that pumps blood into the lower chambers just ahead of their contraction; the right atrium gets blood from the systemic circuit that flows into the ideal ventricle; the still left atrium receives blood from your pulmonary circuit that flows into the still left ventricle.
axon phase – solitary stretch from the axon insulated by myelin and bounded anatomy human body by nodes of Ranvier at either conclude (aside from the first, that is following the First segment, and the last, that's accompanied by the axon terminal).
Different organ units each have unique functions and for that reason special roles to accomplish in physiology. These a lot of capabilities could be summarized with regards to several that we'd take into consideration definitive of human existence: Corporation, metabolism, responsiveness, movement, advancement, and copy.
adductor tubercle – little, bony bump Situated to the exceptional aspect of the medial epicondyle on the femur.
axon terminal – stop of your axon, where by there are generally a here number of branches extending toward the concentrate on mobile.