| epithelium lentis | The layer of cuboidal cells lying on the anterior surface of the crystalline lens inside the lens capsule. at the equator the cells elongate and give rise to the lens fibres. Synonym: epithelium lentis. (05 Mar 2000) |
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| equator lentis | The periphery of the lens lying between the two layers of the ciliary zonule. Synonym: equator lentis. (05 Mar 2000) |
| tunica vasculosa lentis | A nutrient vascular layer enveloping the lens of the eye in the foetus. (05 Mar 2000) |
| facies anterior lentis | The anterior surface of the lens of the eye. Synonym: facies anterior lentis. (05 Mar 2000) |
| facies posterior lentis | The posterior surface of the lens of the eye. Synonym: facies posterior lentis. (05 Mar 2000) |
| fibrae lentis | <biology, ophthalmology, physiology> The elongated cells of ectodermal origin forming the substance of the crystalline lens of the eye. Synonym: fibrae lentis. (05 Mar 2000) |
| Abbe substage apparatus | <apparatus> Includes a rack and pinion for horizontal displacement of an iris diaphragm to obtain oblique lighting. (05 Aug 1998) |
| accessory visual apparatus | The eyelids, with lashes and eyebrows, lacrimal apparatus, conjunctival sac, and extrinsic muscles of the eyeball. Synonym: organa oculi accessoria, accessory organs, accessory visual apparatus, adnexa oculi, appendages of eye. (05 Mar 2000) |
| achromatic apparatus | The nonstaining asters and spindle fibres in a dividing cell. (05 Mar 2000) |
| alimentary apparatus | The organs that are responsible for getting food into and out of the body and for making use of food to keep the body healthy. These include the mouth, oesophagus, stomach, liver, gallbladder, pancreas, small intestine, colon, and rectum. (12 Dec 1998) |
| apparatus | Origin: L, from apparare, apparatum, to prepare; ad + prepare to make ready. 1. Things provided as means to some end. 2. Hence: A full collection or set of implements, or utensils, for a given duty, experimental or operative; any complex instrument or appliance, mechanical or chemical, for a specific action or operation; machinery; mechanism. 3. <physiology> A collection of organs all of which unite in a common function; as, the respiratory apparatus. Source: Websters Dictionary (01 Mar 1998) |
| apparatus digestorius | The digestive tract from the mouth to the anus with all its associated glands and organs. Synonym: apparatus digestorius. (05 Mar 2000) |
| apparatus hyoideus | <veterinary> A veterinary anatomy term for hyoid bones, a modified portion of the ancestral branchial skeleton consisting of an articulated chain of bones extending from the mastoid region of the skull on each side to the base of the tongue. In humans, it is reduced to a single bone, os hyoideum; in a typical mammal (the dog), it consists of a tympanohyoid cartilage attached to the skull, followed by the stylohyoid, epihyoid, keratohyoid, basihyoid, and thyrohyoid bones. Synonym: apparatus hyoideus. (05 Mar 2000) |
| apparatus lacrimalis | The tear-forming and tear-conducting system which includes the lacrimal glands, eyelid margins, conjunctival sac, and the tear drainage system. (12 Dec 1998) |
| apparatus ligamentosus colli | A sagittal ligamentous band at the back of the neck, formed of thickened supraspinous ligaments; it extends from the external occipital protuberance to the posterior border of the foramen magnum, cranially, to the seventh cervical spinous process, caudally. Synonym: apparatus ligamentosus colli, nuchal ligament. (05 Mar 2000) |