pathway
footpath | a trodden path |
| tract house | one of many houses of similar design constructed together on a tract of land |
| tract housing | housing consisting of similar houses constructed together on a tract of land |
boldness nerve brass
face cheek | impudent aggressiveness, I couldn't believe her boldness, he had the effrontery to question my honesty |
heart mettle nerve
spunk | the courage to carry on, he kept fighting on pure spunk, you haven't got the heart for baseball |
| nerve plexus | a network of intersecting nerves |
| alimentary tract smear | any of several cytologic smears obtained from different parts of the alimentary tract, obtained by specialized lavage techniques and used mainly to diagnose cancer in those parts |
lower respiratory tract smear
bronchoscopic smear
sputum smear | any of several cytologic smears obtained from different parts of the lower respiratory tract, used for cytologic study of cancer and other diseases of the lungs |
nervous tissue
nerve tissue | tissue composed of neurons |
| uveoscleral pathway | a tubule that drains excess aqueous humor |
center
centre
nerve center
nerve centre | a cluster of nerve cells governing a specific bodily process, in most people the speech center is in the left hemisphere |
nerve fiber
nerve fibre | a threadlike extension of a nerve cell |
medullated nerve fiber
myelinated nerve fiber | a nerve fiber encased in a sheath of myelin |
nerve cell
neuron | a cell that is specialized to conduct nerve impulses |
motor neuron
efferent neuron
motor nerve fiber
motoneuron | a neuron conducting impulses outwards from the brain or spinal cord |
nerve ending
nerve end | the terminal structure of an axon that does not end at a synapse |
| free nerve ending | microscopic sensory nerve endings in the skin that are not connected to any specific sensory receptor |
nerve
nervus | any bundle of nerve fibers running to various organs and tissues of the body |
motor nerve
efferent nerve
efferent | a nerve that conveys impulses toward or to muscles or glands |
sensory nerve
afferent nerve
afferent | a nerve that passes impulses from receptors toward or to the central nervous system |
nerve pathway
tract
nerve tract
pathway | a bundle of myelinated nerve fibers following a path through the brain |
| cranial nerve | any of the paired nerves that originate in the brain stem |
| depressor depressor nerve | any nerve whose activity tends to reduce the activity or tone of the body part it serves |
olfactory nerve
nervii olfactorii
first cranial nerve | a collective term for numerous olfactory filaments in the nasal mucosa |
optic nerve
nervus opticus
second cranial nerve
optic tract | the cranial nerve that serves the retina |
oculomotor
oculomotor nerve
nervus oculomotorius
third cranial nerve | supplies extrinsic muscles of the eye |
trochlear
trochlear nerve
trochlearis
fourth cranial nerve | either of the two cranial nerves on either side that control the superior oblique muscles of the eyes |
trigeminal
trigeminal nerve
trigeminus
nervus trigeminus
fifth cranial nerve | the main sensory nerve of the face and motor nerve for the muscles of mastication |
abducent
abducent nerve
abducens
abducens nerve
nervus abducens
sixth cranial nerve | a small motor nerve supplying the lateral rectus muscle of the eye |
facial
facial nerve
nervus facialis
seventh cranial nerve | cranial nerve that supplies facial muscles |
acoustic nerve
auditory nerve
vestibulocochlear nerve
nervus vestibulocochlearis
eighth cranial nerve | a composite sensory nerve supplying the hair cells of the vestibular organ and the hair cells of the cochlea |
glossopharyngeal nerve
nervus glossopharyngeus
ninth cranial nerve | sensory nerve to the pharynx and back of the tongue, motor fibers innervate muscles that elevate the pharynx and larynx, includes parasympathetic fibers to the otic ganglion |
vagus
vagus nerve
nervus vagus
pneumogastric
pneumogastric nerve
tenth cranial nerve
wandering nerve | a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera |
accessory nerve
spinal accessory
nervus accessorius
eleventh cranial nerve | arises from two sets of roots (cranial and spinal) that unite to form the nerve |
hypoglossal
hypoglossal nerve
nervus hypoglosus
twelfth cranial nerve | supplies intrinsic muscles of the tongue and other tongue muscles |
pyramidal tract
pyramidal motor system
corticospinal tract | any of the important motor nerves on each side of the central nervous system that run from the sensorimotor areas of the cortex through the brainstem to motor neurons of the cranial nerve nuclei and the ventral root of the spinal cord |
radial nerve
nervus radialis
musculospiral nerve | largest branch of the brachial plexus, extends down the humerus to the lateral epicondyle where it divides into one branch that goes to the skin on the back of the hand and another that goes to the underlying extensor muscles |
| splanchnic nerve | any of several nerves of the sympathetic part of the autonomic nervous system that innervate viscera and blood vessels |
solar plexus
coeliac plexus
plexus celiacus
abdominal nerve plexus | a large plexus of sympathetic nerves in the abdomen behind the stomach |
respiratory tract
airway | the passages through which air enters and leaves the body |
| lower respiratory tract | the bronchi and lungs |
| upper respiratory tract | the nose and throat and trachea |
| tract | a system of body parts that together serve some particular purpose |
| urinary tract | the organs and tubes involved in the production and excretion of urine |
alimentary canal
alimentary tract
digestive tube
digestive tract
gastrointestinal tract
GI tract | tubular passage of mucous membrane and muscle extending about . meters from mouth to anus, functions in digestion and elimination |
sciatic nerve
nervus ischiadicus | arises from the sacral plexus and passes about halfway down the thigh where it divides into the common peroneal and tibial nerves |
femoral nerve
nervus femoralis
anterior crural nerve | one of a pair of nerves that originate from lumbar nerves and supply the muscles and skin of the anterior part of the thigh |
saphenous nerve
nervus saphenus | a branch of the femoral nerve that supplies cutaneous branches to the inner aspect of the leg and foot |
phrenic nerve
nervus phrenicus | one of a pair of nerves that arises from cervical spinal roots and passes down the thorax to innervate the diaphragm and control breathing |
ulnar nerve
cubital nerve
nervus ulnaris | a nerve running along the inner side of the arm and passing near the elbow, supplies intrinsic muscles of the hand and the skin of the medial side of the hand |