The 2-Minute Rule for human anatomy

The 2-Minute Rule for human anatomy

Blog Article

ankle joint – joint that separates the leg and foot portions of your lower limb; fashioned through the articulations in between the talus bone of the foot inferiorly, as well as distal end on the tibia, medial malleolus of your tibia, and lateral malleolus with the fibula superiorly.

Mind stem – area of your adult Mind that includes the midbrain, pons, and medulla oblongata and develops from the mesencephalon, metencephalon, and myelencephalon on the embryonic brain.

brachiocephalic artery – one vessel Found on the best side of your body; the very first vessel branching from the aortic arch; gives increase to the proper subclavian artery and the correct frequent carotid artery; supplies blood to The top, neck, upper limb, and wall of the thoracic location.

cleavage – kind of mitotic mobile division where the mobile divides but the overall volume remains unchanged; this process serves to supply scaled-down and scaled-down cells.

cupula – specialised composition within the base of a semicircular canal that bends the stereocilia of hair cells when The top rotates By the use of the relative motion from the enclosed fluid.

blood islands – masses of establishing blood vessels and fashioned components from mesodermal cells scattered through the embryonic disc.

calyces – cup-like structures receiving urine in the amassing ducts where it passes on for the renal pelvis and ureter.

chemical synapse – relationship in between two neurons, or in between a neuron and its target, where by a neurotransmitter diffuses throughout an exceedingly shorter length.

aortic arch – arc that connects the ascending aorta for the descending aorta; click here ends for the intervertebral disk involving the fourth and fifth thoracic vertebrae.

brachial vein – deeper vein on the arm that sorts from the radial and ulnar veins from the decrease arm; brings about the axillary vein.

aortic hiatus – opening within the diaphragm that allows passage in the thoracic aorta into the abdominal area in which it gets the abdominal aorta.

Responsiveness is the flexibility of an organism to adjust to alterations in its inner website and external environments. An illustration of responsiveness to external stimuli could include transferring towards sources of food items and h2o and clear of perceived hazards.

Betz cells – output cells of the first motor cortex that induce musculature to maneuver through synapses on cranial and spinal motor neurons.

cerebral aqueduct – relationship on the ventricular procedure amongst the third and fourth ventricles situated in the midbrain.