porus opticus

porus

[por´us] (L.) pore.porus acus´ticus exter´nus the outer end of the external acoustic meatus.porus acus´ticus inter´nus the opening of the internal acoustic meatus in the cranial cavity.porus op´ticus the opening in the sclera for passage of the optic nerve.

op·tic disc

[TA] an oval area of the ocular fundus devoid of light receptors where the axons of the retinal ganglion cell converge to form the optic nerve head; Synonym(s): discus nervi optici [TA], blind spot (3) , Mariotte blind spot, optic nerve head, optic papilla, papilla nervi optici, porus opticus

porus opticus

(1) Cribriform lamina of sclera (lamina cribrosa sclerae [NA6]); perforated layer of sclera.
(2) Optic disk (see there); discus nervi optici [NA6].

单词	porus opticus
释义	DictionarySeeoptic discEncyclopediaSeePorus porus opticus porus [por´us] (L.) pore.porus acus´ticus exter´nus the outer end of the external acoustic meatus.porus acus´ticus inter´nus the opening of the internal acoustic meatus in the cranial cavity.porus op´ticus the opening in the sclera for passage of the optic nerve. op·tic disc [TA] an oval area of the ocular fundus devoid of light receptors where the axons of the retinal ganglion cell converge to form the optic nerve head; Synonym(s): discus nervi optici [TA], blind spot (3) , Mariotte blind spot, optic nerve head, optic papilla, papilla nervi optici, porus opticus porus opticus (1) Cribriform lamina of sclera (lamina cribrosa sclerae [NA6]); perforated layer of sclera. (2) Optic disk (see there); discus nervi optici [NA6].
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