Презентация на тему Dissection Guide to the Rat

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2. Anatomical TermsCranial-toward the headCaudal-toward the tailDorsal-toward the
3. The Skeleton of the Rat
4. Skinning the RatLay rat on its backUsing
5. Skinning the Rat
6. Muscles to LocateLocate the starred muscles. Draw and label them on your lab report.
7. Beginning the Muscle IdentificationThe Triceps Brachii
8. The Internal Anatomy The first incisions
9. After the pinning is complete the interior
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Anatomical TermsCranial-toward the headCaudal-toward the tailDorsal-toward the backboneVentral-toward the belly sideLateral-toward the sideMedial-toward the middleProximal-closer to the the base of a structureDistal-farther away from a structure

Dissection Guide to the RatThe Norway rat (Rattus norvegicus)Family:Muridae

Skinning the RatLay rat on its backUsing a blunt probe, separate the

Muscles to LocateLocate the starred muscles. Draw and label them on your lab report.

Beginning the Muscle IdentificationThe Triceps Brachii

The Internal Anatomy The first incisions were made down the center

After the pinning is complete the interior muscle tissues are exposed, then

Lab ReportWrite your lab report using proper reporting formInclude drawings of the

Слайды презентации

Слайд 2 Anatomical Terms
Cranial-toward the head
Caudal-toward the tail
Dorsal-toward the backbone
Ventral-toward

Anatomical TermsCranial-toward the headCaudal-toward the tailDorsal-toward the backboneVentral-toward the belly sideLateral-toward

the belly side
Lateral-toward the side
Medial-toward the middle
Proximal-closer to the

the base of a structure
Distal-farther away from a structure

Слайд 3 The Skeleton of the Rat

Слайд 4 Skinning the Rat
Lay rat on its back
Using a

Skinning the RatLay rat on its backUsing a blunt probe, separate

blunt probe, separate the skin from the muscle
Use scissors

to cut along ventral midline
Be careful to cut only the skin
Make four lateral incisions
Remove the skin from the body

Слайд 5 Skinning the Rat

Слайд 6
Muscles to Locate

Locate the starred muscles. Draw and

label them on your lab report.

Слайд 7 Beginning the Muscle Identification

The Triceps Brachii

Слайд 8 The Internal Anatomy

The first incisions were

made down the center of the body cavity and

down to the feet and through to the arms. These cuts were made so the skin could be neatly folded back and pinned in place.

Слайд 9 After the pinning is complete the interior muscle

After the pinning is complete the interior muscle tissues are exposed,

tissues are exposed, then by making careful incisions, the

interior organs can be exposed. Carefully cut into the throat being sure not to cut though the masseter, digastric or the mylohyoid. When the body cavity is laid open the first organs that are seen are the large brown livers, cecum (most commonly mistaken for the stomach), and the small and large intestines. After removing the intestinal group the stomach, pancreas, and spleen become much more visible. Moving to the respiratory system that lies under the rib cage, carefully but firmly cut up the center of the ribcage. This is will break the breast bone and the ribs when they are pinned back. Opening the rib cage will expose the heart and lungs