'Pigment cells' diaporamas de présentation

Connective Tissue

Connective Tissue. Connective tissue may be defined as that group of tissues predominantly composed of extracellular or intercellular material (matrix), secreted mainly by its cells, which are, therefore, usually widely spaced .

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Zebrafish Lab Quiz

Zebrafish Lab Quiz. The cells in organisms that give them their color are __________ cells. A. albino. B. pigment. C. gene. D. color. The scientific name for zebrafish is __________. A. Homo sapiens. B. Dendroica coronata. C. Danio stripiens. D. Danio rerio.

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EYES AND EARS

EYES AND EARS. 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.

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Insect Sensory System

Insect Sensory System. Lecture 15. How insects perceive the world. chemical, tactile. visual. visual. chemical. chemical. chemical, tactile. acoustic. tactile. How insects communicate with other organisms. Vision. Compound eyes Ocelli Stemmata Other visual receptors.

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Eye

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How the eye sees Last time Anatomy of the eye Cells in the retina Rods and cones

How the eye sees Last time Anatomy of the eye Cells in the retina Rods and cones Visual receptors This time Visual receptors Visual transduction. 1. Different cells in the retina. The Basic Retinal Circuit. Back of eye. 6. Pigment cells. 1. Receptor Cells (rods and cones)

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MSH

MSH. melanocyte- stimulating hormone. melanophore- stimulating hormone. Dwi Winarni Departemen Biologi Fakultas Sains dan Teknologi Universitas Airlangga 2009.

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Squid Dissection

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Reaction & Diffusion system

Reaction & Diffusion system. Xinyao Wang 2018.11.27. Outline:. I: Patterns in nature II:Define reaction - diffusion system III: Gray-Scott III:Simulation IV: Applications. Patterns in nature. More patterns. Pattern formation.

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Fish Anatomy, Physiology and Health

Fish Anatomy, Physiology and Health. The anatomy of a fish. Fins. Made of stiff rays covered by skin Some are bony and stiff Cichild fish have one dorsal, but it has two names, a spiny dorsal and a soft dorsal The number of rays in a fin are used for species ID and classification. Skin.

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Early sleep triggers memory for early visual discrimination skills

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SQUID DISSECTION

SQUID DISSECTION. Position your squid. Place squid in tray, with its dorsal side facing up. . Pigment Cells (chromatophores). Peel off a thin, spotted piece of skin. Place on a slide & observe under the microscope.

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SQUID DISSECTION

SQUID DISSECTION. Position your squid. Place squid in tray, with its dorsal side facing up. Pigment Cells (chromatophores). Peel off a thin, spotted piece of skin. Place on a slide & observe under the microscope.

266 views • 16 slides

The effects of different coloured visual stimuli on Paracheirodon innesi in a fixed environment

The effects of different coloured visual stimuli on Paracheirodon innesi in a fixed environment. Taylor Brooks, James Holobow & Allyson MacDougall. Paracheirodon innesi. Fresh water fish Native to streams in Colombia, Peru and Brazil Iridescent blue with red stripe

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AMPHIBIA

AMPHIBIA. Introduction. In earlier times there was a large variety of amphibian life but today only a few groups remain.

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Albinism

Albinism. By: CJ Luther, Quoc Vu, and Brendan Kelly. What Is It?. Melanin is not produced. This results in the loss of color in hair, skin, and eyes. Two recessive genes. Hereditary disease. How Does It Occur?. Missing of pigment cells during the development of the embryo.

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Echinoderms

Echinoderms. By: Jaime Acevedo & Matthew Martinez. Skin & Skeleton. H ave a mesodermal skeleton composed of calcareous plates or ossicles.

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