226 TOPOGRAPHICAL ANATOMY OF THE HORSE 



Recessus cochlearis, 160. 



Recessus ellipticus, 160. 



Recessus spli;«ricus, 160. 



Rectus musck'S of tlie eyeball, 112. 



Rectus muscles of the head, 104, 105, 



128. 

 Recurrent nerve, 6, 102. 

 Reflex vein, 49, 125. 

 Restiform body, 203. 

 Retina, 121. 



Retractor muscle of the eyeball, 112. 

 Rhinal fissure, 183. 

 Rhinencephalon, 183, 185. 

 Rhombencephalon, 178, 202. 

 Rhomboid fossa, 206. 

 Rhomboid muscle, 17. 

 Rima oris, 33, 78. 

 Rima palpebrarum, 31. 

 Risorius muscle, 32. 

 Roof plate, 177. 



Saccule, 162. 



Saccus endolymphaticus, 162. 



Sagittal sinus, dorsal, 139, 143. 



Sagittal sinus, ventral, 143. 



Salivary glands, 56. 



Salivary papilla, 55. 



Scala tympani, 161. 



Scala vestibuli, 161. 



Scalenus muscle, 20. 



Sclera, 117. 



Scutular cartilage, 27. 



Scutular muscle, 28. 



Secondary tympanic membrane, 157. 



Second cervical nerve, 20. 



Semicircular canals, 160. 



Semicircular ducts, 162. 



Semilunar ganglion, 142. 



Semispinalis capitis muscle, 21. 



Septum, dorsal median, of the spinal 



cord, 168. 

 Septum, nasal, cartilage of, 145. 

 Septum pellucidum, 190. 

 Septum, subarachnoid, 166. 

 Serratus, ventral, muscle, 18, 

 Short ciliary arteries, 114. 

 Short ciliary nerves, 113. 

 Sinus or Sinuses — 



cavernous, 144. 



concho-frontal, 154. 



confluence of, 139. 



dorsal petrosal, 144. 



dorsal sagittal, 139, 143. 



intercavernous, 144. 



maxillary, 152. 



occipital, 139, 144. 



paranasal, 151. 



spheno-palatine, 155. 



straight, 139, 143. 



tonsillar, 76. 



transverse, 139, 143. 



venosus sclerte, 117. 



ventral petrosal, 144. 



ventral sagittal, 143. 

 Soft palate, 76. 

 Spaces, zonular, 124. 



Spatia anguli iridis, 118. 



Spheno-j)alatine artery, 127. 



Spheno-palatine ganglia, 128. 



Spheno-palatine nerve, 128. 



Spheno-palatine plexus, 128. 



Spheno-palatine sinus, 155. 



Spheno-palatine vein, 125. 



Sphincter muscle of the pupil, 120. 



Spina helicis, 27. 



Spinal artery, ventral, 173. 



Spinal cord, 166. 



Spinal ganglion, 167. 



Spinalis (et semispinalis) cervicis muscle, 



22. 

 Spiral canal, 161. 

 Spiral lamina, 161. 

 Spiral ligament of the cochlea, 163. 

 Splenius muscle, 18. 

 Stapedius muscle, 159. 

 Stapes, 159. 



Sternocephalic muscle, 2, 43. 

 Sterno-hyoid muscle, 3. 

 Sterno-thyroid muscle, 3. 

 Straight muscles of the eyeball, 112. 

 Straight muscles of the head, 104, 105, 



128. 

 Straight sinus, 139, 143. 

 Striae, olfactory, 177, 186. 

 Stria medullaris, 193. 

 Stria terminalis, 192. 

 Stroma, vitreous, 124. 

 Stylo-glossal muscle, 58. 

 Stylo-hyoid muscle, 56. 

 Stylo-pharyngeal muscle, 66. 

 Subarachnoid cavity, 166, 172. 

 Subarachnoid cisterns, 172. 

 Subarachnoid septum, 166. 

 Subcallosal gyrus, 187. 

 Subdural cavity, 139. 

 Sublingual artery, 12, 60. 

 Sublingual gland, 56. 

 Sublingual vein, 12. 

 Submaxillary duct, 58. 

 Submaxillary gland, 47, 57. 

 Submaxillary gland arteries, 60, 130. 

 Submaxillarj^ lymph glands, 11. 

 Submental artery, 12. 

 Substance, anterior perforated, 177, 187. 

 Substance, posterior perforated, 176, 



199. 

 Substantia gelatinosa, 168. 

 Substantia nigra, 199. 

 Sulci of the cerebrum, 184. 

 Sulci of the spinal cord, 167. 

 Sulciis scleriB, 116. 

 Superficial temporal artery, 45. 

 Superficial temporal nerve, 37, 47, 63. 

 Superficial temporal vein, 43. 

 Sujierior cerebral vein, 43. 

 Superior labial artery, 38. 

 Superior meatus, nasal, 149. 

 Supracallosal gyrus, 187. 

 Supraorbital artery, 114. 

 Suprapineal recess, 197. 

 Supi-asylvian sulcus, 184. 

 Suspensory ligament of the lens, 124. 



