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[[Image:Gizzard Anatomy.jpg|thumb|right|150px|Gizzard Anatomy - Prof. A. Goodship]]
[[Image:Gizzard Anatomy.jpg|thumb|right|150px|Gizzard Anatomy - Prof. A. Goodship]]
*Mechanical reduction of tougher material through powerful muscular development
*Contacts the liver
*Contacts the liver
*Roughly on the midline of the bird
*Roughly on the midline of the bird
*Lens shaped
*Interior elongated by cranial and caudal blind sacs
*Cranial blind sac contacts [[The Proventriculus - Anatomy & Physiology|proventriculus]]
*Pylorus on right surface next to cranial blind sac
*Two thick masses of muscle that insert on tendonous surfaces
*In seed eating birds grit is digested to increase grinding down of food particles
==Histology==
==Histology==
*Thin, but tough mucous membrane
*Cuboidal epithelium
*Tubular glands
*Cuticle of koilin a carbohydrate complex is present due to the solidifying of the glandular secretion. It is replenished as it is worn down.
*Thick keratin layer to protect muscle
*No gizzard in stringiformes (owls etc.)
*No gizzard in stringiformes (owls etc.)
==Other Information==
*Grit should be provided in seed eating birds diet. It is radiodense and marks out where the gizzard is located on radiographs.