EYES AND EARS
1 EYES AND EARS
GENERAL DESCRIPTION ■Eyes: VisUa| organ Ears the organ of hearing and equilibrium. The equilibrium sense, generally associated with balance, provides feedback about the positions and movements of our heads and bodies in space
2 GENERAL DESCRIPTION ◼ Eyes: visual organ ◼ Ears:the organ of hearing and equilibrium. The equilibrium sense, generally associated with balance, provides feedback about the positions and movements of our heads and bodies in space
OBJECTIVES Know the general layers of the eye. Describe the structure of Cornea and its reason of transparent. Describe the structure of retina and the function of pigment cell, rod cell and cone cell. Know the definition of ora serrata. macula lutea, fovea centralis and optic disc Know the general structure of ear Describe six sensory regions of the membranous labyrinth and heir function
3 OBJECTIVES • Know the general layers of the eye. • Describe the structure of Cornea and its reason of transparent. • Describe the structure of Retina and the function of pigment cell, rod cell and cone cell. • Know the definition of Ora serrata, Macula lutea, Fovea centralis and Optic disc. • Know the general structure of ear. • Describe six sensory regions of the membranous labyrinth and their function
THE EYE 眉 结膜半月襞 Plica semilunaris conjunctivae 上瞼 Palpebra superior 泪阜 Caruncula lacrimas 瞳孔 泪湖 Lacus lacrimalis 外眦 Angulus oculi lateralis 内眦 球结膜 Tunica conjunctiva bulbi 泪乳头 Papilla lacrimalis 缘 neae 泪点 Punctum lacrimale 睑 320.右眼前面观 Anterior aspect of the right eye 4
4 THE EYE
Fibrous layer als Ⅴ ascular layer ey reball Retina eye Content: Aqueous humor、Lens、 Ⅴ itreous bod y Accesory structure: Eyelid Muscles of the eye Lacrimal gland
5 eyeball Accesory structure:Eyelid、Muscles of the eye、 Lacrimal gland Walls Content:Aqueous humor、Lens、 Vitreous body Fibrous layer Vascular layer Retina eye