The 2-Minute Rule for human anatomy meaning
The 2-Minute Rule for human anatomy meaning
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cardiac skeleton – (also, skeleton with the heart) bolstered connective tissue Found in the atrioventricular septum; contains four rings that surround the openings between the atria and ventricles, and also the openings to the pulmonary trunk and aorta; the point of attachment for the heart valves.
arm – area with the upper limb Positioned in between the shoulder and elbow joints; consists of the humerus bone.
cortical reaction – following fertilisation, the discharge of cortical granules from your oocyte’s plasma membrane to the zona pellucida creating a fertilisation membrane that stops any further more attachment or penetration of sperm; part of the sluggish block to polyspermy.
motion likely – improve in voltage of the cell membrane in response to a stimulus that brings about transmission of the electrical signal; distinctive to neurons and muscle mass fibres.
articular tubercle – sleek ridge located about the inferior cranium, right away anterior to your mandibular fossa.
clonal anergy – course of action whereby B cells that respond to soluble antigens in bone check here marrow are made non-useful.
anterior tibial artery – branches through the popliteal artery; provides blood into the anterior tibial region; turns into the dorsalis pedis artery.
Bachmann’s bundle – (also, interatrial band) team of specialised conducting cells that transmit the impulse directly from the SA node in the best atrium to the still left atrium.
atrial natriuretic peptide (ANP) – peptide hormone produced by the partitions from the atria in reaction to substantial hypertension, blood quantity, or blood sodium that reduces the reabsorption of sodium and drinking get more info water during the kidneys and promotes vasodilation.
chorion – membrane that develops in the syncytiotrophoblast, cytotrophoblast, and mesoderm; surrounds the embryo and varieties the foetal portion of the placenta through the chorionic villi.
acromioclavicular joint – articulation in between the acromion on the scapula as well as acromial end in the clavicle.
alveolar duct – tiny tube that qualified prospects from your terminal bronchiole towards the respiratory bronchiole and it is the point of attachment for alveoli.
clavicle – collarbone; elongated bone that articulates Using the manubrium in the sternum medially along with the acromion with the scapula laterally.
brush border – shaped by microvilli on the surface area of sure cuboidal cells; inside the kidney it is actually found in the PCT; will increase surface place for absorption from the kidney.