Crossword for Internal Anatomy of the Chicken

Esophagus

passageway for feedstuffs from mouth to crop and from crop to proventriculus

Crop

soaking and storage of feed occurs here

Larynx

Allows passage of air from oropharynx into trachea

Small Intestine

Produces enterokinase, aminopeptidase, maltase, isomaltase, and sucrase

Infundibular

Cleft that is common opening of Eustachian tubes

Syrinx

Responsible for vocalization in birds

Hyoid apparatus

Complex of cartilage and bone that strengthens and supports the tongue

Liver

processes nutrients and produces bile

Salivary Amylase

Not found in saliva of chickens or turkeys

Hepatic Portal System

Collects nutrients absorbed from digestive tract to transport directly to liver

Gizzard

Another name for the ventriculus

Kidney

Lobulated in birds

Gall Bladder

stores bile

Spleen

Functions in lymphocyte production as part of immune system

Laryngeal

cleft that is opening into larynx

Prehension

The function of the beak

Ureter

Transports urine from kidney to cloaca

Proventriculus

Glandular stomach that secretes pepsinogen

Ventriculus

Muscular part of digestive system that grinds feed

Pancreas

Produces chymotrypsinogen & procarboxypeptidase

Palatine

Passage between oral and nasal cavities

Meckel’s Diverticulum

Yolk stalk remnant that functions in lymphocyte production

Bursa of Fabricius

Produces B-lymphocytes

Cloaca

Juncture of ureters, colon, and reproductive systems in birds

Oropharynx

Combined oral and pharyngeal space

Vent

External opening of cloaca

Tongue

Ensures that food goes only in one direction

Ileum

Absorption of bile salts, water, electrolytes, and vitamin b-12