Term
| which n and CNn are included in the PNS? |
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Definition
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Term
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Definition
| collect sensory info from internal/external environments and efferent moter signals to mm |
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Term
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Definition
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Term
| smell, taste, sight and balance |
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Definition
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Term
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Definition
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Term
| afferent and efferent sensory and moter info |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| oculomoter-pupil size, dorsal ventral medial rectus mm, ventral oblique and levator palpebral superioris mm |
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Term
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Definition
| trochlear-dorsal oblique M of eye |
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Term
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Definition
| trigeminal-ophtalmic (eyelids sensory), maxillary (lacrimal gland, nasal mucosa, skin and upper lip and nose sensory) and mandibular (m of mastication and cheek sensory) |
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Term
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Definition
| abducent-lateral rectus and retractor bulbi Mm of eye |
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Term
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Definition
| facial-superficial Mm of head and face, digasstricus m, stylohoideus and stapedius and platysma; rostral 2/3 of tough (tympani); concave surface of ear and canal sensory; lacrimal, nasal, palatine glands, mandibular and sublingual glands |
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Term
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Definition
| vestibulocochlear-blance equilibrium and hearing |
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Term
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Definition
| glossopharyngeal-caudal 1/3 of toung and pharnx and palate sence; mm of pharynx; parotid salivary gland and carotid sinus baro and chemo receptors |
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Term
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Definition
| vagus-pharyngeal mm, intrinsic mm (recurrent layrngeal) and cricothyroideus (cranial layrngeal); sense to pharynx, larnx, thoracic and abdominal viscera; PSNS to phary, lary, trachea, esophagus and thor and ab viscera |
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Term
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Definition
| accessory-motor to mm of neck and some forlimb (trapezius) |
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Term
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Definition
| hypoglossal-motor to tongue |
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Term
| what does the ANS control? |
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Definition
| physoiologic activities in the body that dont require conscious activity |
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Term
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Definition
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Term
| what is the central control of the ANS? |
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Definition
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Term
| the hypothalamus in the ANS controls what? |
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Definition
| biorythms, appetite, water balance, body temp, sex behavior, sleep, emotion and cariovascular system |
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Term
| what are the two parts of the ANS? |
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Definition
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Term
| neurons of the SNS or PSNS are either what? |
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Definition
| pre-ganglionic or post-gnaglionic |
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Term
| what does pre-or post gnaglionic mean? |
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Definition
| nerve cell bodies are located b4 entering or after leaving a ganglion |
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Term
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Definition
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Term
| what happens when sns is stimulated? |
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Definition
| increase in hrt rate, resp rate, bp, blood flow to skeletal mm, alerness, metabolism and energy mobilization, sweating and piloerection |
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Term
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Definition
| urinary, repro, digestive and blood flow to visceral organs |
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Term
| where does the SNS arise from? |
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Definition
| thoracolumbar region of spinal cord |
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Term
| the majority of pre-ganglionic neuron cell bodies are in which horn? |
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Definition
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Term
| in the ganglia of the sypathetic trunk, the pre-ganglionic fibers synapse with what? |
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Definition
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Term
| pre-ganglionic fibers are long/short while post-ganglionic fibers are long/short |
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Definition
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Term
| the neck and head are supplied by neurons from where? |
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Definition
| first through fourth thoracic spinal nerves |
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Term
| what is the source of sympathetic innervation of the neck? |
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Definition
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Term
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Definition
| ascending sypathetic fibers bundled with the vagus n for the head |
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Term
| what is the name of the sheath surrounding the vagosympathetic trunk? |
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Definition
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Term
| what ganglionic fibers does the sypathetic portionof the vagosympathetic trunk contain? |
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Definition
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Term
| part of the spinal cord with the presence of a pair of spinal nerves |
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Definition
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Term
| where is the dorsal root located |
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Definition
| b/t the DRG and the spinal cord |
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Term
| ascending nerve tracts from the periphery synaps with what? |
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Definition
| psudounipolar neurons in the DRG |
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Term
| axons from the dorsal root synapse with what? |
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Definition
| neurons in the ventral horn of the spinal cord |
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Term
| where do the dorsal and ventral roots unite at? |
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Definition
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Term
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Definition
| where cervical and spinal nerves pass through |
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Term
| what is located caudomedial to the tympanic bulla of the skull |
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Definition
| cranial cervical ganglion |
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Term
| what is the nerve formula of a dog? |
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Definition
| 8 C, 13 T, 7 L, 3 S and 5 Cd |
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Term
| a stimulus to a tendon would send a signal where? |
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Definition
| the afferent nerve to the dorsal horn of the spinal cord then synapses on a short interneuron then extends to the ventral horn to synapse on the efferent nerve to jerk the muscle |
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Term
| what is b/t each vertebra? |
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Definition
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Term
| the outer layer of circumferential collagen fibers of the intervertebral disk |
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Definition
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Term
| the inner gelatinous core of an intervertebral disk |
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Definition
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Term
| a network of nerves that is derived from the last 3 C and first 1 or 2 T spinal nn |
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Definition
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Term
| the brachial plexus is associated with what? |
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Definition
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Term
| the nn of the plexus innervate what mm? |
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Definition
| of the thoracic limb and provide sense |
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Term
| n that innervates the supraspinatus and infraspinatus mm |
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Definition
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Term
| nn that are motor to the superficial and deep pectoral mm |
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Definition
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Term
| n that is motor to the subscapular m |
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Definition
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Term
| n motor to the biceps brachii, brachialis and coracobrahialis Mm as well as antebrachium, carpus and craniomedial metacarpus |
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Definition
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Term
| n motor to the teres major and minor mm and the deltoids and sensory to the shoulder area |
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Definition
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Term
| n that is motor to the triceps brachii and anconeus mm and extensor antebrachium and craniolateral antebrachium sensory |
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Definition
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Term
| n that innervates the flexor carpi ulnaris, ddf and intrinsic mm of the digit as wll as antebrachium and metacarpus and food sensory |
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Definition
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Term
| n that innervates the flexor carpi radialis, s and ddf and pronator teres mm and sense to the caudal metacarpus and foot |
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Definition
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Term
| nn that are motor to the latissiumus dorsi M and cutaneaus trunci M, respectively |
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Definition
| thracodorsal and lateral thoracic |
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Term
| n that is motor to the middle and deep gluteal mm and the tensor faciae latea |
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Definition
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Term
| n that is superficial gluteal m and parts of the middle gluteal semitendinousus and bicps femoris mm in the horse |
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Definition
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Term
| n that is motor to the sartorius quadriceps femoris and iliopsoad mm and is also sensory to the medial aspect of the thigh |
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Definition
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Term
| n that innervates the adductor, gracialis, pectineus and external obturator mm |
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Definition
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Term
| n that is a large n that innervates the hamsting m, the internal obturator gemelli femoris mm |
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Definition
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Term
| n that innervates the cranial tibial, long digital and lateral digital extnsor and preroneus mm. sensory to the dorsal metatarsus and digits |
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Definition
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Term
| n that innervates flexors of the pelvic limb and is sensory to the caudal crus, plantar metatarsus and digits |
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Definition
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Term
| joining of the caudal cervical ganglion and the first two or three thoracic sypathetic ganglia |
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Definition
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Term
| fibers from the cervicothoracic ganglion form a loop around the subclavian artery called what? |
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Definition
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Term
| the ansa subclavia unites what? |
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Definition
| the middle cervical ganglion |
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Term
| the point at which the vagus nerve and sumpathetic trunk separate again |
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Definition
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Term
| celiacomesenteric gaglion and plexus |
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Definition
| the celiac and cranial mesenteric ganglion |
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Term
| the medulla of the adrenal gland is under what control |
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Definition
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Term
| which A is the ganglion associated with? |
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Definition
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Term
| what fibers do the hypogastric nerves contain? |
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Definition
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Term
| are the splanchnic nn under pre or post ganglionic? |
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Definition
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Term
| what do the splanchnic nn form? |
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Definition
| ganglia and plexuses associated with major blood vessels branching from the abdominal aorta |
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Term
| where are the preganglionic nerve cell bodies of the PSNS located? |
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Definition
| specific nuclei in the brainstem and in the sacral portion of the spinal cord |
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Term
| where are post ganglionic nerve cell bodies located? |
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Definition
| ganglia on or in the wall of a structue or in ganglia near the innervated structure |
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Term
| 4 CN with PSNS components |
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Definition
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Term
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Definition
| pupil constriction and lens accomodation |
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Term
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Definition
| secretory glands in the head like lacrimal gland and mandibular and subligual salivary glands |
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Term
| PSNS of the glossopharyngeal N |
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Definition
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Term
| vegus N account for ___% of all preganglionci PSNS fibers |
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Definition
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Term
| in the thorax the branches of the vagus N go to where? |
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Definition
| cardiac, pulmonary and esohageal nerve plexuses |
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Term
| both vagus N split to become what? |
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Definition
| dorsal and ventral vagal trunks |
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Term
| in the abdomen, the dorsal vagal trunks supply what? |
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Definition
| hepatic and gastric plexuses |
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Term
| in the abdomen, the ventral vagal trunk supplies what? |
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Definition
| celiac, mesenteric, renal and gonadal plexuses |
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Term
| nerve fibers for the sacral segment of the PSNS are located where? |
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Definition
| within the pelvic N leading to the pelvic plexus then to bladder, descending colon and external genitalia |
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Term
| where is a self-contained nervous sytem the exerts control over digestiv functions |
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Definition
| within the walls of the organs |
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Term
| components of the Enteric nervous system |
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Definition
| myenteric/aurbach's plexus and submucosal/meissner's plexus |
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Term
| sensory portion of the ENS receives info about what? |
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Definition
| stretch, chemical comp of the contents of the digestive tract and gastointestinal hormones |
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Term
| the moter component of the ENS is responsible for what? |
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Definition
| local reflex activity and gut motility |
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