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Retina Meaning: Definition, Examples, and Translations

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retina

[ˈrɛtɪnə ]

Definitions

Context #1 | Noun

anatomy

The retina is a thin layer of tissue located at the back of the eye that is essential for vision. It converts light that enters the eye into neural signals, which are then sent to the brain for interpretation. Damage to the retina can lead to vision impairment or blindness.

Synonyms

retinal membrane, visual membrane.

Examples of usage

  • The retina detects light and color.
  • She underwent surgery to repair her detached retina.
  • Photoreceptors in the retina respond to light stimuli.
Context #2 | Noun

biology

In a broader biological context, the retina may refer to any similar tissue in other organisms that serves the function of light detection. While the structure and complexity may vary, the fundamental role of converting light into signals remains constant.

Synonyms

light-sensitive layer.

Examples of usage

  • Many animals have a different type of retina adapted for their environment.
  • The study of the retina extends to various species in biology.
  • Researchers analyze the retina to understand evolutionary adaptations.

Translations

To see the translation, please select a language from the options available.

Interesting Facts

Science

  • The retina contains millions of light-sensitive cells that detect light and color, crucial for our vision.
  • There are two main types of cells in the retina: rods, which help us see in dim light, and cones, which detect color.
  • Damage to the retina can lead to significant vision problems, highlighting its vital role in ocular health.

Health

  • Conditions like diabetic retinopathy occur when high blood sugar damages the retina, impacting vision.
  • Regular eye check-ups are essential since many retinal issues can be treated effectively if caught early.

Technology

  • Retinal imaging technology allows doctors to see and monitor the health of the retina, aiding in early disease detection.
  • Virtual reality systems often mimic how the retina processes images to create immersive experiences.

Art and Culture

  • Artists have often depicted eyes in their work, symbolizing perception, awareness, and the depth of vision.
  • In literature, the eye, including the retina, represents knowledge and insight, often used metaphorically.

Origin of 'retina'

Main points about word origin

  • The word comes from the Latin 'retina', meaning 'little net', because of its net-like appearance.
  • In anatomy, terms often borrow from Latin; this reflects the influence of ancient physicians who studied the eye.

The term 'retina' originates from the Latin word 'retina', which means 'net', as the structure of the retina resembles a net in its arrangement of cells. The usage of 'retina' in reference to the eye dates back to the 14th century, when it became an integral part of ophthalmology. Over time, the word has been adopted into various scientific contexts, particularly in biology and medicine, due to advancements in our understanding of vision and the role of the retina in the visual system. The study of the retina has expanded significantly with technological advancements in imaging and treatment, particularly related to retinal diseases and conditions affecting sight. Today, the retina is a critical focus of research aimed at improving eye health and combating visual impairments.

Word Frequency Rank

Ranked #10,225, this word falls into high-advanced vocabulary. It appears less frequently but is valuable for expressing precise meanings in specific contexts.