CAT DISSECTION LAB

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CAT DISSECTION LAB
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CAT DISSECTION DAY 1
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CAT DISSECTION DAY 1

• Before Lab session starts you will need
• Metal Tray and Cat In The Bag
• A sharpened scalpel and 2 rubber bands
• Each of you should have an apron and be gloved.
• Cat Out Of The Bag
• Start with making a horizontal cut through 1
  layer of the bag (at the cephalic end). Leave
  the other layer intact. If you do this it will
  be easier to put away.
• Pour any Cat Juice down the drain.
• Pull the Cat Out Of The Bag.
• Place Cat on tray Dorsal side down
• Begin your Dissection with a Vertical Cut of the
  Median Plane on the Anterior side
• Start your Cut at the Throat region of the Cat
  you will see a cut has been made through the hide
  there.
• Continue your vertical cut along the Median Plane
  of the torso until you reach the Cats tail.
• Be careful that you dont cut too deep. If it
  looks like Chicken it must be
• It is easier if your partner grabs the Cats hide
  while to other partner cuts with the scalpel.

• Cat Back In The Bag
• Place the metal tray with Cat on the tray in the
  Cut Bag (Wet Bag). Slide the metal tray out and
  leave the Cat In The bag (Wet Bag).
• Secure the (Wet Bag) with a rubber band
• Place the second bag (Dry Bag) over the (Wet Bag)
  and secure with a rubber band.
• Place the bagged Cat back in the container with
  LID closed.
• Clean Up Procedure
• Rinse the metal tray and scalpel in sink and put
  away.
• Scrub the lab table with a disinfectant.
• Take gloves off (place in garbage) and apron
  away.
• Any other clothing should be placed on top off
  your Cat bin.
• Wash hands and arms thoroughly

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CAT DISSECTION DAY 2
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CAT DISSECTION DAY 2

• Before Lab session starts you will need
• Metal Tray and Cat In The Bag
• A sharpened scalpel and 2 rubber bands
• Each of you should have an apron and be gloved.
• Cat Out Of The Bag
• Pull the Cat Out Of The Bags.
• Pour any Cat Juice down the drain.
• Place Cat on tray Dorsal side down
• Begin your Dissection of the Hide by making five
  cuts
• Make similar cuts as the vertical cut but in
  these 5 locations
• Right Front Anterior Leg and around Wrist
• Left Front Anterior Leg and around Wrist
• Right Back Anterior Leg and around Ankle
• Left Back Anterior Leg and around Ankle
• Around the Neck

• Cat Back In The Bag
• Place the metal tray with Cat on the tray in the
  Cut Bag (Wet Bag). Slide the metal tray out and
  leave the Cat In The bag (Wet Bag).
• Secure the (Wet Bag) with a rubber band
• Place the second bag (Dry Bag) over the (Wet Bag)
  and secure with a rubber band.
• Place the bagged Cat back in the container with
  LID closed.
• Clean Up Procedure
• Rinse the metal tray and scalpel in sink and put
  away.
• Scrub the lab table with a disinfectant.
• Take gloves off (place in garbage) and apron
  away.
• Any other clothing should be placed on top off
  your Cat bin.
• Wash hands and arms thoroughly.

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CAT DISSECTION DAY 3
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CAT DISSECTION DAY 3

• Before Lab session starts you will need
• Metal Tray and Cat In The Bag
• A sharpened scalpel and 2 rubber bands
• Each of you should have an apron and be gloved.
• Cat Out Of The Bag
• Pull the Cat Out Of The Bags.
• Pour any Cat Juice down the drain.
• Place Cat on tray Dorsal side down
• Begin your Dissection by removing the Hide
• Remove the Hide Superior to Inferior
• Start with Front legs. Have your partner pull on
  the Hide while you gently cut through the Loose
  Tissue and Fat. The More Loose Tissue and Fat
  you can get off with the hide the easier the
  dissection will be later.
• Be careful not to cut through muscle (it will
  look like cooked chicken).
• Continue removing the hide down the body. Their
  may be times that the fat will look more reddish
  (especially in the groin area.
• STOP at the tail - leave the hide attached at the
  tail.
• Free the Back legs from the hide.

• Cat Back In The Bag
• Place the metal tray with Cat on the tray in the
  Cut Bag (Wet Bag). Slide the metal tray out and
  leave the Cat In The bag (Wet Bag).
• Secure the (Wet Bag) with a rubber band
• Place the second bag (Dry Bag) over the (Wet Bag)
  and secure with a rubber band.
• Place the bagged Cat back in the container with
  LID closed.
• Clean Up Procedure
• Rinse the metal tray and scalpel in sink and put
  away.
• Scrub the lab table with a disinfectant.
• Take gloves off (place in garbage) and apron
  away.
• Any other clothing should be placed on top off
  your Cat bin.
• Wash hands and arms thoroughly

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CAT DISSECTION DAY 4 5
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CAT DISSECTION DAY 4 5

• Today, you will need to clear the fascia
  (covering) off of one side of the chest and clear
  one arm. Try to use the sides that are most
  intact.
• Cat Dissection Day 4
• You Must Find These Muscles
• Pectoralis Major page 19
• Try to find these superficial muscles of the
  Chest and Arm
• Pectoralis Minor page 19
• Latissimus Dorsi page 19
• Clavotrapezius page 19, 23, 25
• Triceps Brachii page 23 25
• Epitrochlearis (Biceps Brachii) page 23

• Cat Dissection Day 5
• Palmaris Longus - page 23
• Flexor Carpi Ulnaris page 23
• Flexor Carpi Radialis page 23
• Extensor Digitorum Communis page 25
• Extensor Digitorum Lateralis page 25
• Extensor Carpi Ulnaris Page 25
• Extensor Carpi Radialis page 25

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CAT DISSECTION DAY 6
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CAT DISSECTION DAY 6

• Today, you will need to clear the fascia
  (covering) off of one side of the back and
  abdominals. Try to use the sides that are most
  intact.
• You Must Find These Muscles
• Try to find these superficial muscles of the Back
  and Abdominals
• Clavobrachialis page 34
• Clavotrapezius page 34
• Sternomastoid page 34
• Acromiotrapezius page 34
• Spinotrapezius page 34
• Latissimus Dorsi page 34
• External Oblique Page 34
• These muscles below might be harder to find
• Spinodeltoid page 34
• Acromiodeltoid page 34
• Levator Scapula ventralis page 34
• Supraspinatus page 34
• Infraspinatus page 34
• Teres Major page 34

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CAT DISSECTION DAY 7
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CAT DISSECTION DAY 7

• Today, you will need to clear the fascia
  (covering) off of one side of the lower back
  (near tail) and upper lower Leg. Try to use
  the sides that are most intact.
• You Must Find These Muscles
• Try to find these superficial muscles of the Leg
  and lower back
• Must Find these muscles
• Lumbodorsal Fascia page 35
• Gluteus Medius page 35
• Gluteus Maximus page 35
• Sartorius page 35
• Biceps Femoris page 35
• Cut the Sartorius and Biceps Femoris muscle at
  the knee to expose the following deep muscles
• Vastus Lateralis page 31
• Adductor Femoris (Magnus) page 31
• Semimembranosus page 31
• Semitendinosus page 31
• Try to find these superficial muscles of the
  inner thigh
• Vastus Medialis page 30
• Pectineus page 30
• Adductor Longus page 30
• Adductor Femoris (Magnus) page 30

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CAT DISSECTION DAY 8
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CAT DISSECTION DAY 8

• Today, make a vertical cut through the abdominal
  wall. Starting at the Xiphoid Process of the
  Sternum (below ribs) continue cut down to the
  lower abdomen (genital region). Make lateral
  cuts following the rib cage to the sides of each
  cat. Make similar cuts down at the bottom of
  vertical cut (in the lower abdomen).
• You Must Find These Parts
• Find these Parts of the Digestive System below
• Liver
• - Right Medial Lateral Lobe
• - Left Medial Lateral Lobe
• Gall Bladder
• Stomach
• - Cardiac Section
• - Pyloric Section
• Small Intestine (Do not pull out yet)
• - Duodenum /
• - Jejunum / - Messentery Peritoneum
• - Ileum /
• Large Intestine
• - Cecum
• - Ascending Colon
• - Descending Colon
• Pancreas

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CAT DISSECTION DAY 9
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CAT DISSECTION DAY 9

• Today, using a scalpel or scissors cut through
  the ribs just beside the sternum on both sides.
  Continue the cut at the top so that you cut the
  Sternum completely out of the cat.
• Find theses below You Must Find These Parts
• Lungs
• Heart
• Lift the Heart and cut the vessels and connective
  tissue attaching the heart dorsally.
• Find these (Ventral View) Page 48 Below
• Anterior (Superior) Vena Cava
• Aortic Arch
• Brachiocephalic Artery
• Left Subclavian Artery
• Right Atrium
• Right Ventricle
• Pulmonary Trunk
• Left Ventricle
• Left auricle (Atrium)
• Find these (Dorsal View) page 48 below
• Right and Left Pulmonary Artery
• Right and Left Pulmonary Veins
• Posterior (Inferior) Vena Cava

• Holding the Heart in a Ventral View make 2 cuts
  identical to what you see on Figure 39 on page
  49. Find these Below
• Right Atrium
• Opening of Coronary Sinus
• Tricuspid Valve
• Right Ventricle
• Papillary muscle
• Chordae Tendinae
• Pulmonary (Semilunar) Valve
• Holding the Heart in a Ventral View (exposing the
  left side) make 1 cuts identical to what you see
  on Figure 41 on page 50. Find these Below
• Aortic (Semilunar) Valve
• Left Ventricle
• Papillary muscle

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CAT DISSECTION DAY 10
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CAT DISSECTION DAY 10

• Today, use the time to finish anything that needs
  to be checked off. If you have finished with the
  Heart, look for these things below
• Kidneys look behind the intestines, usually
  covered in fat
• Trachea
• Esophagus
• If you want you can try to find these below
• Reproductive system of Male or Female, Page 42 or
  43

• Or
• Brain Use the Scalpel to remove the ears and
  all muscle from the head down the level of the
  eyes. Also remove the neck muscles. Try to
  clean the bones of all muscle. Using the saw,
  try to make a hole in the skull. Once you make a
  hole in the skull try to cleanly break pieces of
  the skull away to expose the brain.
• Or
• You can put your cat away and clean up, plus help
  other groups finish!