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PSEUDOPUPIL

Pseudopupil

Dark spot on the compound eyes of some invertebrates

the compound eye of arthropods such as insects and crustaceans, the pseudopupil appears as a dark spot which moves across the eye as the animal is rotated

Pseudopupil

Pijnackeria hispanica

Species of stick insect

antennae and yellow or brown eyes with a black horizontal stripe or pseudopupil. "Pijnackeria hispanica". Global Biodiversity Information Facility. Retrieved

Pijnackeria hispanica

Pijnackeria_hispanica

Compound eye

Visual organ found in arthropods such as insects and crustaceans

Wenxuan, English translation (2021) by Helen Wang Arthropod eye Eye Pseudopupil "Senses. Insect eyes". Insects and Spiders of the World. Volume 8: Scorpion

Compound eye

Compound_eye

Cat senses

Senses of Felis catus

Feature detection Infrared sensing in snakes Monocular deprivation Ommatidium Palpebral (bone) Pseudopupil Rhopalium Underwater vision Visual perception

Cat senses

Cat_senses

Mantis

Order of insects including praying mantises

range. The dark spot on each eye that moves as it rotates its head is a pseudopupil. This occurs because the ommatidia that are viewed "head-on" absorb the

Mantis

Mantis shrimp

Order of crustaceans

three parts of the same eye (as can be seen in some photos showing three pseudopupils in one eye). In other words, each eye possesses trinocular vision, and

Mantis shrimp

Mantis_shrimp

Ommatidium

Component of compound eyes of arthropods

neurons, followed by the recruitment of the four non-neuronal cone cells. Pseudopupil Arthropod eye Apposition eye Superposition eye Müller CH, Sombke A, Rosenberg

Ommatidium

insects, which always seems to look directly at the observer, is called a pseudopupil. This occurs because the ommatidia which one observes "head-on" (along

Eye

Vision in fish

Sense found in most species of fish

Feature detection Infrared sensing in snakes Monocular deprivation Ommatidium Palpebral (bone) Pseudopupil Rhopalium Underwater vision Visual perception

Vision in fish

Vision_in_fish

European mantis

Species of praying mantis

field of the two eyes is 40° in nymphs and up to 70° in adults. The pseudopupil, a small, dark region in the eye, is rather conspicuous. It moves when

European mantis

European_mantis

Animal coloration

General appearance of an animal

sensing in snakes Monocular deprivation Ommatidium Palpebral (bone) Pseudopupil Rhopalium Underwater vision Visual perception v t e Ecology: Modelling

Animal coloration

Animal_coloration

Dog anatomy

Studies of the visible part of a canine

Feature detection Infrared sensing in snakes Monocular deprivation Ommatidium Palpebral (bone) Pseudopupil Rhopalium Underwater vision Visual perception

Dog anatomy

Dog_anatomy

Arthropod eye

Visual organs possessed by arthropods

directed in all directions and accordingly, one may see a dark spot (the pseudopupil), showing which ommatidia are covering that field of view; from any position

Arthropod eye

Arthropod_eye

Vision in toads

Feature detection Infrared sensing in snakes Monocular deprivation Ommatidium Palpebral (bone) Pseudopupil Rhopalium Underwater vision Visual perception

Vision in toads

Vision_in_toads

Thopha saccata

Australian species of cicada

black in young adult cicadas upon emerging, but turn brown with black pseudopupils at the posterior edge of the eye. The ocelli are deep red. The proboscis

Thopha saccata