A&p Major Organs Identification

Front 1

Heart

Back 1

Medial oval structure enclosed within the pericardium (serous membrane sac)

Front 2

Lungs

Back 2

Flanking the heart on either side

Front 3

Trachea

Back 3

Tubelike "windpipe" running medially down the throat; part of the respiratory system

Front 4

stomach

Back 4

A curved organ important in food digestion and temporary food storage.

Front 5

Small Intestine

Back 5

Connected to the stomach and ending just before the saclike cecum.

Front 6

Large Intestine

Back 6

A large muscular tube connected to the small intestine and ending at the anus.

Front 7

Mesentery

Back 7

An apronlike serous membrane; suspends many of the digestive organs in the abdominal cavity. Notice that it is heavily invested with blood vessels and, more likely than not, riddled with large fat deposits.

Front 8

Liver

Back 8

Large and brownish red; the most superior organ in the abdominal cavity, directly beneath the diaphragm.

Front 9

Spleen

Back 9

A dark red organ curving around the left lateral side of the stomach; considered part of the lymphatic system and often called the red blood cell graveyard.

Front 10

Kidneys

Back 10

Bean-shaped organs;retroperitoneal (behind the peritoneum)

Front 11

Adrenal Glands

Back 11

Large endocrine glands that sit astride the superior margin of each kidney; considered part of the endocrine system.

Front 12

Urinary Bladder

Back 12

The sac that serves as a reservoir for urine.

Front 13

Pancreas

Back 13

A diffuse gland; rests dorsal to and in the mesentery between the first portion of the small intestine and the stomach. You will need to lift the stomach to view the pancreas.

Front 14

Inferior Vena Cava (IVC)

Back 14

The large vein that returns blood to the heart from the lower regions of the body.

Front 15

Diaphragm

Back 15

A thin muscle attached to the inferior boundary of the rib cage; separates the thoracic and abdominal cavities.

Front 16

Aorta

Back 16

is the largest artery in the body, originating from the left ventricle of the heart and bringing oxygenated blood to all parts of the body

Front 17

Gallbladder

Back 17

is a small non-vital organ which aids in the digestive process and concentrates bile produced in the liver.

Front 18

Brain

Back 18

is the center of the nervous system in all vertebrate. Located in the Cranial Cavity, inside the skull.

Front 19

Spinal Cord

Back 19

is a long, thin, tubular bundle of nervous tissue and support cells that extends from the brain.