Chapter M

Material, 19, 20, 21
for dissecting nasal duct, papilla, and puncta, 92
for enucleation of orbital contents, 97

Meibomian glands and ducts, 96

Membrane with contents and attachments intact, removal of, 25

Method of preparing eye for dissection of hyaloid, 26, 27
of running through the alcohols, 58, 59

Muscle, superior oblique and its pulley, 117

Muscles, other extrinsic, 118
preserving extrinsic, 119

N

Nasal duct, canaliculi, puncta, and papilla, locating, 92-95
canaliculi, puncta, and papilla, 92
canaliculi, puncta, and papilla, material for dissecting, 92

Needles and pins, use of, 96, 106, 107, 108, 109, 112, 113
use of knitting, 92-95

Nerve, cross section of optic, 48
entrance of optic, 43
optic, 47
optic, cutting it longitudinally, 47, 48

Nerves, ciliary, 72

Network of fibres in vitreous, 41, 42

Nucleus of lens, 55, 59

O

Oblique, inferior, 119
pulley of superior, 117

Ocular accessories, 95
conjunctiva and Capsule of Tenon, 116
conjunctiva and other superficial accessories, 95

Oil, cedar, 60

Ophthalmoscope, 109

Ophthalmoscopic examination, 106
examination, preparing eye for, 106-110
examination, smoothing out cornea for, 109

Optic disc, 43
nerve, 47
nerve, cross section of, 48
nerve, cutting it longitudinally, 47, 48
nerve, entrance of, 43
papilla, 111

Ora serrata, 49

Orbicularis ciliaris, 49, 51

Orbital contents, beginning dissection of, 97-101
contents, dissecting, 97-105
contents, enucleating, 102-104
contents, enucleation of, 97
contents, material for enucleation of, 97

P

Palpebræ and other superficial accessories, 95

Palpebral conjunctiva and other superficial accessories, 95

Papilla, nasal duct, and puncta lacrimalia, 92
nasal duct, and puncta lacrimalia, material for dissecting, 92
optic, 111
puncta, canaliculi, and nasal, duct, locating, 92-95

Pars ciliaris retinæ, 49

Perichoroidal fluid, 40-46

Petit’s canal, 35-37

Picking up choroid and retina, 30, 31

Pigment cells of processes, 49, 50
of sclerotic, 46
removal of, 34

Pinching up sclerotic, 27, 28

Pins and needles, use of, 96, 106-109, 112, 113

Pipette, 35

Posterior chamber, 50, 51, 86, 90
half excavated, 47
half of the eye, 40
half, removing vitreous from, 41
surface of the lens, 55

Preparing eye for dissecting interior, 38
eye for dissecting hyaloid, 26, 27
eye for dissection to show the three tunics, _in situ_, 120
eye for isolating choroid, 62
eye for isolating retina, 74, 75
eye for ophthalmoscopic examination, 106-110
eye for sagittal section, 86
the lens, 53

Preservative, alcohol as a, 34

Preserving extrinsic muscles, 119
hyaloid, contents and attachments, etc., 32-34, 36
isolated choroid, 72
isolated retina, 84, 85
lens, 57, 58
sagittal sections, 89
three tunics and hyaloid, 123

Processes, ciliary, 27, 33, 49
and iris, removing, 121
color of, 50
pigment cells of, 49, 50
relation between iris and, 51, 52
zonular, 27, 34

Processus zonulœ, 34
zonulœ free from ciliary processes, scraping, 121

Pulley of superior oblique muscle, 117

Puncta lacrimalia, nasal duct, and papilla, 92
lacrimalia, papilla, canaliculi, and nasal duct, locating, 92, 95
lacrimalia, papilla, canaliculi, and nasal duct, material for
dissecting, 92

Pupillary aperture increasing, 106, 107, 109

R

Racemose construction of lacrimal gland, 114

References, 23, 25, 46, 52

Relation between iris and processes, 51, 52

Removal of hyaloid membrane with contents and attachments intact, 25
of pigment from processus zonulœ, 34

Removing capsule of lens, 59
choroid, 46
cornea for isolating choroid or retina, 62-64
choroid for dissecting three tunics, 122
iris and lens, 75, 77
iris and processes, 121
lens from choroid, 69-71
lens from anterior half and other parts, 51, 53, 54
sclerotic to show the three tunics, 120
the retina from posterior half, 44
vitreous from anterior half, 49
vitreous from choroid, 70-72
vitreous from posterior half, 41

Retina, 40-74
blood-vessels of, 106
central artery of, 43, 49
cutting away sclerotic and choroid for isolating, 83
folding it by blowing air through blowpipe, 81, 82
or choroid, removing cornea for isolating, 62-64
picking up choroid and, 30, 31
preparing eye for isolating, 74, 75
preserving isolated, 84, 85
removing, 44
straightening, 42, 43

Retinæ, pars ciliaris, 49

Retinal artery, course of, 111
image, 110
vessels, 40, 49

Ring, ciliary, 51
cutting ciliary, 121
of superior oblique muscle tendinous, 117

Running through the alcohols, 58, 59

S

Sagittal section, cutting eye for, 87-89
section, excavated, 90
section of the eye, 86
section, preparing eye for, 86
sections, preserving, 89

Sclerotic and choroid, cutting them away for isolating retina, 83
and cornea, 52
from choroid, for dissection of three tunics and hyaloid,
loosening, 120
loosening choroid from, 64, 66-68
pigment of, 46
pinching up, 27, 28
scraping choroid from, 68
separating choroid from, 27, 29
to show the three tunics, removing, 120

Scraping choroid from sclerotic, 68
processus zonulœ free from ciliary processes, 121

Section of optic nerve, cross, 48
cutting eye for sagittal, 87-89
preparing eye for sagittal, 86
sagittal, 86
vertical, 86

Sections, preparing eye for dissecting interior, 38
preserving sagittal, 89

Seeing interior of eye, 110

Separating choroid from sclerotic, 27, 29, 64-68
outer layers of the lens, 54

Serrata, ora, 49

Sheep eyes, 26, 27

Skiascope, 109

Smoothing cornea for ophthalmoscopic examination, 109

Superior oblique muscle and its pulley, 117

Staining lens, 57

Stender dishes, 21

Straightening retina, 42, 43

Structure of lens, laminated, 55, 56

Superior oblique muscle, pulley of, 117

Surface of anterior of lens, 55
of posterior of lens, 55

Suspensory ligament, 55

T

Tapetum lucidum, 45

Tendinous ring of the superior oblique muscle, 117

Tenon and ocular conjunctiva, Capsule of, 116

Tenon’s Capsule, 115

Text-books, 23, 25, 46, 52

Three tunics, removing choroid, for dissecting, 122

Tools, 21

Tri-radiate lines, 54-56

Tunics, _in situ_, preparing eye for dissection to show the three, 120
preserving hyaloid and three, 123
removing the sclerotic, to show the three, 120

U

Use of hammer and chisel, 99-101
of knitting-needles, 92-95

Using blowpipe in forcing out vitreous, 78-81