A Simple Key For anatomy human heart Unveiled

anterior interventricular artery – (also, remaining anterior descending artery or LAD) big department of the left coronary artery that follows the anterior interventricular sulcus.

arcuate line from the ilium – smooth ridge Situated for the inferior margin with the iliac fossa; types the lateral percentage of the pelvic brim.

dense body – sarcoplasmic structure that attaches to your sarcolemma and shortens the muscle as slender filaments slide past thick filaments.

cleavage furrow – contractile ring that forms around a cell in the course of cytokinesis that pinches the cell into two halves.

prevalent pathway – closing coagulation pathway activated both by the intrinsic or the extrinsic pathway, and ending inside the formation of the blood clot.

crista galli – smaller upward projection located at the midline in the ground in the anterior cranial fossa; fashioned through the ethmoid bone.

brain – the massive organ of the central anxious process made up of white and gray make a difference, contained in the cranium and ongoing Together with the spinal cord.

amygdala – nucleus deep during the temporal lobe of your cerebrum that's related to memory and psychological conduct.

Energetic transport – sort of transport across the cell membrane that requires input of cellular Electricity.

The relationship with the ribs to the breastbone—the sternum—is in all conditions a secondary one particular, brought about through the rather pliable rib (costal) cartilages. The compact joints amongst the ribs as well as the vertebrae allow a gliding motion from the ribs within the vertebrae all through respiration and various functions. The movement is limited with the ligamentous attachments concerning ribs and vertebrae.

aortic hiatus – opening from the diaphragm that permits passage of the thoracic aorta to the abdominal area in which it gets to be the abdominal aorta.

capillary – smallest of blood vessels where Bodily exchange occurs in between the blood and tissue cells surrounded here by interstitial fluid.

abducens nerve – sixth cranial nerve; responsible for contraction of one of many extraocular muscles.

atrioventricular septum – cardiac septum Positioned concerning the atria click here and ventricles; atrioventricular valves are located right here.

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