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Created by:
jrhernandez57 on March 27, 2011
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108 terms
Terms | Definitions |
|---|---|
 hypothalamus | center of brain |
| infundibulum | extends from hypothalamus, between hypothalamus and pituitary |
| anterior pituitary | toward front of brain under infundibulum |
| posterior pituitary | towards rear of brain under infundibulum |
| pineal gland | small cone shaped, attached to posterior epithalmus |
| thyroid gland | gland in throat |
| parathyroid glands | glands on thyroid gland |
| thymus gland | gland on throat |
| pancreas | next to spleen, center of body |
| adrenal glands | kidneys |
| adrenal medulla | middle of adrenal gland |
| adrenal cortex | outside of adrenal gland |
| ovaries | girl baby maker |
| testes | boy baby maker |
| cell body (soma) | neuron control center/big part of neuron |
| dendrites | small processes, branch off cell body |
| axon | longer nerve processes extends off cell body |
| axon hillock | before axon where axon connects |
| axon collaterals | side branches of axon |
| telodendria | extensions at end of axon, fine terminal extensions |
| synaptic knobs - boutons | extreme tips of telodendria |
| glial or neuroglia cells | cells by neurons that assist with functions |
| myelin sheath | insulation around the axon |
| neurofibril nodes - Nodes of Ranvier | space between myelin sheath openings |
| presynaptic neuron | transmits to postsynaptic neuron |
| bouton | synaptic knob, a bud-like swelling at the end of an axon |
| synaptic vesicle with neurotransmitters | balls containing acetylehline |
| synaptic cleft | spot/groove between post and presynaptic neurons |
| sarcolemma | plasma membrane or muscle fiber |
| motor end plate | serrated area of sarcolemma |
| neurotransmitter receptors | receptors receive signal from synaptic knobs |
| cranial meninges | three layers separate brain from bone |
| dura mater | two layers directly under cranium skull above arachnoid |
| arachnoid mater | above spider web/thin shiny layer |
| pia mater | closest to brain on every surface |
| dural septa | stabilize brain's position within the cranium |
| falx cerebri | largest-top side shaped dural septa |
| tentorium cerebelli | sep occipital and temporal lobes |
| falx cerebelli | divides cerebellum |
| lateral ventricles | top ventricles |
| septum pellucidum | separates lateral ventricles |
| third ventricle | between lateral ventricle forums |
| fourth ventricle | between the pons and the cerebellum |
| mesencephalic (cerebral) aqueduct | connects 3rd ventricle with 4th ventricle |
| choroid plexus | forms the cerebrospinal fluid |
| cerebral cortex | general make up of the brain |
| gray matter | ... |
| white matter | ... |
| gyri | folds in brain |
| sulci | spaces beween folds in brain |
| longitudinal fissure | top center groove |
| corpus callosum | connects two hemispheres |
| fornix | a thin tract of white matter than connects hippocampus |
| frontal lobe | front lobe |
| central sulcus | separates frontal and parietal lobes |
| lateral sulcus | separates frontal and parietal lobes from temporal lobe |
| precentral gyrus | gyrus before central sulcus |
| parietal lobe | posterior to central sulcus |
| parieto-occipital sulcus | between parietal and occipital lobe |
| postcentral gyrus | alter central sulcus |
| temporal lobe | under parietal |
| occipital lobe | very mos + posterior lobe |
| cerebral nuclei - basal nuclei | collection of masses of gray matter situated within each cerebral hemisphere |
| epithalamus | ... |
| pineal gland | ... |
| thalamus | ... |
| intermediate mass of thalamus - interthalamic adhesion | ... |
| hypothalamus | ... |
| mammillary bodies | ... |
| infundibulum | ... |
| pituitary gland | ... |
| optic chaism | ... |
| brain stem | ... |
| mesencephalon | ... |
| cerebral peduncles | ... |
| corpora quadrigemina | ... |
| superior colliculi | ... |
| inferior colliculi | ... |
| pons | ... |
| medulla oblongata | ... |
| cerebellum | ... |
| folia | ... |
| vermis | ... |
| arbor vitae | ... |
| spinal cord meninges | ... |
| anterior - ventral horn | ... |
| lateral horn | ... |
| posterior - dorsal horn | ... |
| gray commissure | ... |
| funiculi | ... |
| dorsal root - posterior root | ... |
| dorsal root ganglion - posterior root ganglion | ... |
| ventral root - anterior root | ... |
| anterior median fissure | ... |
| posterior median sulcus | ... |
| central canal | ... |
| conus medullaris | ... |
| cauda equina | ... |
| posterior ramus (dorsal ramus) | innervates deep muscles of the back |
| anterior ramus (ventral ramus) | larger of two main branches |
| phrenic nerve | innervates diaphragm |
| cervical plexus | a nerve plexus lying beneath the sternocleidomastoid muscle |
| brachial plexus | a network of nerves formed by cervical and thoracic spinal nerves and supplying the arm and parts of the shoulder |
| musculocutaneous nerve | ... |
| median nerve | ... |
| ulnar nerve | ... |
| axillary nerve | ... |
| radial nerve | ... |
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