anatomy human heart for Dummies

anatomy human heart for Dummies

Blog Article

anterior cerebral artery – arises from The interior carotid artery; provides the frontal lobe on the cerebrum.

appendicular skeleton – all bones on the upper and decrease limbs, moreover the girdle bones that connect Each individual limb towards the axial skeleton.

basilic vein – superficial vein of your arm that occurs within the palmar venous arches, intersects While using the median cubital vein, parallels the ulnar vein, and carries on to the higher arm; along with the brachial vein, it causes the axillary vein.

common iliac vein – one among a set of veins that flows into your inferior vena cava at the level of L5; the remaining frequent iliac vein drains the sacral region; divides into external and inside iliac veins close to the inferior percentage of the sacroiliac joint

Encyclopaedia Britannica's editors oversee subject matter spots during which they have extensive awareness, no matter if from years of knowledge acquired by engaged on that material or through study for an advanced degree. They generate new articles and confirm and edit content obtained from contributors.

calcaneofibular ligament – intrinsic ligament Positioned to the lateral facet from the ankle joint, amongst the get more info calcaneus bone and lateral malleolus of your fibula; supports the talus bone within the ankle joint and resists excessive inversion of your foot.

Human movement includes not just actions on the joints in the body, and also the movement of personal organs and even person cells. As you read through these words and phrases, red and white blood cells are moving throughout your body, muscle cells are contracting and soothing to take care of your posture and to target your eyesight, and glands are secreting substances to regulate body capabilities.

aponeurosis – broad, tendon-like sheet of connective tissue that attaches a skeletal muscle mass to another skeletal muscle or to your bone.

amnion – clear membranous sac that encloses the establishing foetus and fills with amniotic fluid.

synthetic pacemaker – medical system that transmits electrical signals for the heart to make here certain that it contracts and pumps blood to your body.

bone marrow – tissue located inside of bones; the location of all blood mobile differentiation and maturation of B lymphocytes.

cardiac plexus – paired elaborate network of nerve fibres close to the base from the heart that obtain sympathetic and parasympathetic stimulations to control HR.

descending aorta – part of the aorta that proceeds downward previous the end on the aortic arch; subdivided in the thoracic aorta as well as the abdominal aorta.

complete refractory time period – time during an action period when another motion likely can't be created as the voltage-gated Na+ channel is inactivated.