5 Easy Facts About human anatomy organs Described

5 Easy Facts About human anatomy organs Described

Blog Article

arachnoid mater – middle layer with the meninges named for that spider-Internet–like trabeculae that extend involving it as well as the pia mater.

cardiac notch – despair in the medial area from the inferior lobe on the still left lung where the apex with the heart is located.

basilic vein – superficial vein of your arm that arises in the palmar venous arches, intersects Using the median cubital vein, parallels the ulnar vein, and continues into the upper arm; together with the brachial vein, it leads to the axillary vein.

basal forebrain – nuclei from the cerebrum associated with modulation of sensory stimuli and a spotlight by way of broad projections to the cerebral cortex, lack of which can be connected with Alzheimer’s condition.

aorta – most significant artery from the body, originating in the still left ventricle and descending into the abdominal region where it bifurcates into the frequent iliac arteries at the extent from the fourth lumbar vertebra; arteries originating in the aorta distribute blood to almost all tissues with the body.

clonal anergy – system whereby B cells that react to soluble antigens in bone marrow are made non-purposeful.

anatomical situation – typical reference situation employed for describing locations and Instructions within the human body.

detrusor muscle mass click here – smooth muscle in the bladder wall; fibres operate in all Instructions to lessen the dimensions with the organ when emptying it of urine.

bilirubin – yellowish bile pigment made when iron is removed from haem as well as remaining molecule is further more damaged down into squander products.

From the chest and abdomen, a number of inner membranes hold big organs including the lungs, heart, and kidneys individual from Many others.

carpometacarpal joint – articulation between one of the carpal bones while in the distal row as well as a metacarpal bone on the hand.

aldosterone – hormone developed and secreted because of the adrenal cortex that stimulates sodium and fluid retention and improves blood volume and blood pressure.

Of those functions, assist is considered the most primitive as well as oldest; Furthermore, the axial Element of the skeleton get more info was the main to evolve. The vertebral column, similar to the notochord in lessen organisms, is the most crucial aid with the trunk.

anterior cruciate ligament – intracapsular ligament from the knee; extends from anterior, top-quality surface area of the tibia to your inner facet of the lateral condyle of your femur; resists hyperextension of knee.