5 Simple Techniques For human anatomy meaning
5 Simple Techniques For human anatomy meaning
Blog Article
The Grownup human skeleton normally consists of 206 named bones. These bones may be grouped in two divisions: axial skeleton and appendicular skeleton.
corpus spongiosum – (plural = corpora cavernosa) column of erectile tissue during the penis that fills with blood all through an erection and surrounds the penile urethra over the ventral portion of the penis.
dense connective tissue – connective tissue good that contains numerous fibres that deliver both equally elasticity and protection.
cervical enlargement – location of the ventral (anterior) horn of your spinal cord which has a larger sized inhabitants of motor neurons for the greater quantity of and finer Charge of muscles of your upper limb.
cervical vertebrae – 7 vertebrae numbered as C1–C7 that can be found inside the neck region with the vertebral column.
coeliac trunk – (also, coeliac artery) major branch in the abdominal aorta; offers rise to your remaining gastric artery, the splenic artery, and also the widespread hepatic artery that kinds the hepatic artery on the liver, the proper gastric artery into the belly, along with the cystic artery to your gall bladder.
bursa – read more connective tissue sac made up of lubricating fluid that prevents friction among adjacent buildings, such as pores and skin and bone, tendons and bone, or in between muscles.
chemical synapse – relationship involving two neurons, or involving a neuron and its focus on, the place a neurotransmitter diffuses across a really short length.
cerebral cortex – outermost layer of grey issue within the Mind, in which conscious notion requires position.
autorhythmicity – capability of cardiac muscle website to initiate its individual electrical impulse that triggers the mechanical contraction that pumps blood at a fixed speed devoid of nervous or endocrine control.
anterior cardiac veins – vessels that parallel the small cardiac arteries and drain the anterior surface of the ideal ventricle; bypass the coronary sinus and drain immediately into the appropriate atrium.
cardiac plexus – paired intricate network of nerve fibres near the base of your heart that get sympathetic and parasympathetic stimulations to manage HR.
Broca’s area – area from the frontal lobe related to the motor instructions necessary for speech generation and Situated only inside the cerebral hemisphere liable for language production, and that is the left aspect in close to 95 per cent of the populace.
absolute refractory time period – time through an motion interval when A different action possible cannot be generated because the voltage-gated Na+ channel is inactivated.