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epitrichium*
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fetal pig dissection
pig practical terms
| term | definition |
|---|---|
| abdominal | muscle in stomach, allows for movement |
| epitrichium* | outer layer of the epidermis under which hair develops |
| mesentery* | a fold of tissue which attaches organs to the body wall |
| rugae* | fold in the lining of the stomach, releases digestive enzymes |
| caudal | tail region |
| kidney* | beneath digestive organs, maintain homeostasis in bodily fluids |
| urethra | beneath urinary bladder, carries urine out of the body |
| alveoli | on the ends of bronchioli, where gas exchange occurs |
| peritoneum | a thin layer of tissue that lines the body cavity |
| pharynx | carries air from the mouth and nose to the trachea |
| median | middle of the pig |
| stomach* | under left lobe of the liver. Breaks down food and does a limited amount of absorption |
| lungs | in the ribcage. gas exchange occurs here |
| external nares | external nostrils (on nose), air passage |
| posterior* | toward the tail end of the body |
| vein* | all through body thinner than arteries, carries carbon dioxide |
| oviduct | connects ovaries and uterus, tube which eggs travel through |
| venules | very small veins (same function) |
| renal artery | supply kidneys with blood (connected to kidneys) |
| pyloric region | where the stomach narrows to join the small intestine, food goes from the stomach to the small intestine here |
| genital papillae* | under the tail in females only, used to excrete urine as well as in the reproductive system |
| cartilaginous rings* | in trachea, keeps it open for air to come in and out |
| caecum | at the junction of the small and large intestines, no function |
| pulmonary artery | leaves right ventricle, carries blood to lungs |
| pulmonary veins | carry oxygen rich blood from the lungs to the heart |
| trachea* | anterior to the lungs, airtube |
| vena cava | carries blood from the body to the right atrium |
| penis | lies just below skin posterior to the umbilical cord, transfers sperm |
| ventricle | lower chambers of the heart |
| proximal | closer to the trunk |
| diaphragm* | sheet of muscle that streches across abs, changes air pressure in chest cavity |
| deep* | lying under or below |
| aorta | large artery, transports blood from the left ventricle |
| ductus deferens | transports sperm from the epdidymus |
| gall bladder* | where pancreatic juice is stored |
| cranial* | head region |
| ureters* | carry urine from the kidney to the urinary bladder, located in posterior region of abdominal cavity |
| canine | teeth that are longer and used to tear their food |
| ruminants | an animal with multiple stomachs |
| fallopian tube* | coiled, attached to ovaries, carries eggs from the ovary |
| ductus arteriosus | a shunt in the fetus that allows fetal blood to bypass the lungs and go to the aorta |
| uterus* | at the end of the oviducts, whre the egg develops into a fetus |
| mammary glands* | hold milk connected to mammary pappillae |
| mammal | a class of vertebrate animals characterized by the pressence of sweat glands, hair, 3 middle ear bones used for hearing, and a heocortex region in the brain |
| dorsal | back of the body |
| thoracic | trunk region |
| capillary | very small between veins and arteries and exchange materials between the two |
| cervical | neck region |
| superficial | lying closer to the body surface |
| esophagus | to the left of the trachea, carries food from mouth to digestive tract |
| appendix | near junction of the small and large intestines, no known function |
| umbilical cord | used to transfer nutrients from mother to fetus |
| pulmonary valve | found at beginning of pulmonary artery in heart, ensures blood flow in one direction |
| digit | toe |
| lateral | to the side of the body |
| large intestine | posterior to the small intestine, responsible for the reclaimation of water at the end of the digestive cycle |
| tricuspid valve | between right atrium and right ventricle, keeps blood flow in one direction |
| duodenum* | connects stomach and jejunum, where most chemical digestion takes place in small intestine |
| bronchi | in lungs, bronchioles connected to this, transfers gas |
| urogenital sinus | right before urogenital opening |
| mitral valve | between left atrium and ventricle, keeps blood flow in one direction |
| ventral | underside of body |
| pancreas* | produces pancreatic juice which aids in digestion, beneath rectum |
| epididymus | connects the testicle to its vas deferens, narrow and tightly coiled |
| jejunum* | central of the 3 divisions of small intestine, absorbs nutrients, part of digestion |
| coronary circulation | arteries and veins that only nourish the heart tissues |
| anus | external opening of the rectum, feces expelled her |
| artery | carries blood away from the heart |
| urinary bladder | lies between umbilical arteries, temporarily stores liquid waste filtered from blood |
| urogenital opening | where urine exits the body and sperm enters/leave the body |
| mammary papillary* | tiny bumps on the ventricle surface connecting to mammary glands |
| pericardial sac | surrounds heart and diaphragm, protects from body wall |
| aortic valve | connects aorta and left ventricle, blood flow |
| hard palate | anterior part of palate, on roof of mouth |
| ileum | final section of small intestine, absorbs whatever hasn't been absorbed by jejunum |
| cardiac region | the largest part of the stomach, where contents of esophagus empties |
| small intestine* | between stomach and large intestine, digestion of food and absorption of nutrients occurs here |
| distal | farther |
| vagina | exterior opening of the uterus, used in both the reproductive and excretory systems |
| bronchioles | branches off of bronchi, ends in alveoli, gas exchange |
| glottis | vocal cords and the space in between, in larynx |
| auricle | ears |
| soft palate* | posterior part of the palate in the roof of the mouth |
| arterioles | blood vessel that extends from an artery to capillary |
| pinnae | external ears |
| ovary* | produces eggs, oval shaped and attached to the uterus |
| spleen* | filters out and destroys dead blood cells, wrapped around stomach, reddish/brown |
| testis* | produce sperm and testosterone |
| anterior* | towards back end of the body |
| villi* | line small intestine, increase surface area for absorption |
| sensory papillae* | tiny projections on the tongue, taste buds |
| rectum* | runs posteriorly along dorsal body wall, final portion of the large intestine, ends w/ anus |
| pleura | tissue that covers and protects lungs |
| urogenital system | excretory and reproductive systems |
| colon | large intestine |
| nictating membrane | 3rd eyelid, moistens eye and maintains vision |
| atrium | upper portion of heart |
| oral cavity | mouth |
| nasopharynx | cavity that carries air from nostrils to trachea |
| scrotal sac | holds the testis |
| epiglottis* | cone shaped structure at back of mouth |
| liver | makes bile, aids in digestion |
| renal vein | kidney vein |
| vas deferens | tube which takes sperm out of the testis |
| colon | large intestine |
| nictating membrane | 3rd eyelid, moistens eye and maintains vision |
| atrium | upper portion of heart |
| oral cavity | mouth |
| larynx* | voicebox, protects trachea and produces sound, just below where pharynx splits into trachea and esophagus |
| bile* | found in liver, aids in digestion |
Created by:
Kellameister623