Anatomical plates, illustrating the structure of the human eye, and its appendages : with accompanying descriptions / by Alexander Watson.

  • Watson, Alexander, 1799-1879
Date:
1831
Catalogue details

Licence: Public Domain Mark

Credit: Anatomical plates, illustrating the structure of the human eye, and its appendages : with accompanying descriptions / by Alexander Watson. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    G to show the parts beneath,—its insertion into the eyeball remaining i. The superior oblique muscle, having its origin at the foramen opticum, g.—the pulley through which it passes at k. and its insertion into the eyeball at q. l. The abductor oculi muscle. m. The abductor oculi. n. The depressor oculi. o. The bony ring of the sphenoid bone, from which all these muscles take their origin. r. The insertion of the inferior oblique muscle. PLATE THIRD. Represents Seven Sections to show the structure of the Eyeball. Figure I. Represents a perpendicular section of the right orbit and its contents. a. b. b. c. Section of the bony orbit. d. The optic nerve where it enters the foramen opticum. e. The eyeball or globe of the eye. f. g. The eyelids; represented as brought a little forward from the eyeball. h. h. The common integument covering the anterior parts of the eyelids. i. i. The orbicularis palpebrarum, or sphincter muscle, for closing the eyelids. k. k. The cartilages of the upper and lower eyelids. l. 1. 1. 1. The tunica conjunctiva, or mucous membrane, which forms a partial covering to the eyeball anteriorly. m. Its superior pouch or cavity. n. Its inferior pouch or cavity. o. o. The ciliae or eyelashes. At their roots the orifices of the ducts of the Meibomian glands are situated. p. The inner or nasal canthus of the eye where the lacrymal carun- cle and puncta lacrymalia are situated. q. The levator muscle of superior eyelid. r. The levator muscle of eyeball. s. The depressor muscle of eyeball. t. The adductor muscle of eyeball. u. u. Space occupied by cellular and adipose substance. 1. The sclerotica, or sclerotic coat. 2. The choroidea, or choroid coat. 3. The retina, or expansion of the optic nerve. 4. The cornea, or transparent anterior coat of the eye. 5. Anterior termination of the choroid coat and retina, where the ciliary ligament and processes commence. 6. Anterior extremity of the ciliary processes, between which and the margin of the cristalline lens there is an intermediate portion ot the vitreous humour contained within its own proper tunic, forming the zonula lucidci.