뒤로Anatomy & Physiology: Nervous System, Eye, Ear, Heart
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Longitudinal fissure is the deep groove that separates the two cerebral hemispheres of the brain.
Central sulcus is the groove that separates the frontal lobe from the parietal lobe in the cerebrum.
Lateral sulcus separates the temporal lobe from the frontal and parietal lobes.
Corpus callosum is a thick band of nerve fibers that connects the two cerebral hemispheres.
Precentral gyrus is the primary motor cortex located anterior to the central sulcus.
Postcentral gyrus is the primary somatosensory cortex located posterior to the central sulcus.
Thalamus acts as a relay station for sensory information going to the cerebral cortex.
Hypothalamus regulates autonomic functions, hormone release, and homeostasis.
Midbrain is part of the brainstem involved in vision, hearing, and motor control.
Pons connects the medulla oblongata and midbrain and helps regulate breathing.
Medulla oblongata controls vital autonomic functions like heart rate and respiration.
Dura mater is the tough, outermost layer of the meninges surrounding the brain and spinal cord.
Sclera is the white, fibrous outer layer of the eye providing protection and shape.
Iris controls the diameter of the pupil and thus the amount of light entering the eye.
Tympanic membrane (eardrum) vibrates in response to sound waves in the external ear.
Ossicles are the three small bones in the middle ear: malleus, incus, and stapes, which transmit sound vibrations.
Cochlea is the spiral-shaped inner ear structure responsible for converting sound vibrations into nerve impulses.
Right atrium receives deoxygenated blood from the body via the superior and inferior vena cava.
Bicuspid valve (mitral valve) controls blood flow from the left atrium to the left ventricle.
Aortic valve controls blood flow from the left ventricle into the aorta.
Coronary sulcus is the groove separating the atria from the ventricles and contains coronary blood vessels.
Pulmonary trunk carries deoxygenated blood from the right ventricle to the lungs.
Ciliary body produces aqueous humor and controls lens shape for focusing.
Fovea centralis is the area of the retina with the highest concentration of cones for sharp central vision.
Vestibule is the central part of the inner ear involved in balance and spatial orientation.
Superior vena cava returns deoxygenated blood from the upper body to the right atrium.
Papillary muscles anchor chordae tendineae and prevent valve prolapse during ventricular contraction.