the dissection of the fetal pig

The Dissection of the Fetal Pig

1. External Anatomy

2. Opening of the Body Cavity

3. The Thoracic Cavity

A. Respiratory System

B. Circulatory System

4. The Abdominal Cavity A. Digestive System

B. Excretory System

C. Reproductive System

External Anatomy Identify the structures in the pig.

Opening of the Body Cavity

The Thoracic Cavity (Circulatory/Respiratory)

• Identify the heart (major veins/arteries and parts), trachea, lungs and diaphragm in the pig.

The Thoracic Cavity (Respiratory)

Lungs

Bronchi

The Thoracic Cavity (Circulatory)

Rt. Atrium Lft. Atrium

Lft. VentricleRt. Ventricle

Coronary artery

AortaVena Cava

The Abdominal Cavity (Digestive)

Identify the organs in the digestive system

The Abdominal Cavity (Digestive)

LiverStomach

Spleen

Large and Small Intestines

Gall Bladder

Pancreas

The Abdominal Cavity (Excretory)

Kidney

Ureter

Urinary Bladder

Kidney

Ureter

The Abdominal Cavity (Reproductive)

• Identify MALE reproductive organs

The Abdominal Cavity (Reproductive)

Testicle

Penis

Testicle

Epididymis Vas deferens

Genital opening

The Abdominal Cavity (Reproductive)

• Identify the FEMALE reproductive organs

The Abdominal Cavity (Reproductive)

Ovary Ovary

Vagina

Uterus

Urethra

Cervix

Pig Interviews

You will be required to meet 1-on-1 with me for an interview with your pig.

You are responsible for knowing the functions/structures in each body system.

Lab Dissection Roles1. Principal Investigator

– You are in charge of the team.– You read the directions as the team works on – the lab.– You help the Materials Manager if needed– You will lead discussions and ask questions.

2. Maintenance Director– You are in charge of keeping the work station clean and orderly during the lab.– You are responsible for group safety.– You pick up the lab materials.– You are in charge of clean-up at the end of lab – Return the materials

3. Recorder/Reporter– You are in charge of recording data during the lab.– You make sure the group members record data in their lab guides.– You monitor the time and keep the group moving

4. Materials Manager– You set up the investigations.– You conduct the dissection as the Principal Investigator reads the instructions.

Dissections continued…

• All group members are allowed to touch and handle the specimen

• You will be in groups of 3 or 4

• Assign roles within you group• PLEASE FOLLOW ALL DIRECTIONS

• Head to the back with your group and wait for more instructions