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Ext./Regions Rat
Rat Dissection- Externals and Regions
| Term | Definition |
|---|---|
| Forelimb | Front arm |
| Hindlimb | Back leg |
| Thoracic | Region- Chest (a.k.a. thorax) |
| Abdomen | Region- Stomach (abs) |
| Cervical | Region- Neck |
| Caudal | Region- Tail |
| Lumbar | Region- Lower back |
| Pelvic | Region- Hips |
| Pectoral | Region- Chest (pec muscles) |
| Pinna | Ear flap |
| Digits | Phalanges (fingers and toes) |
| Manus | Region- Hand |
| Pes | Region- Foot |
| Plica Semilunaris (nictitating membrane) | Membrane covering eye |
| External Auditory Meatus | Ear hole |
| Vibrissae | Whiskers |
| Mystacial Pads | Where the whiskers attach |
| Philtrum | Groove from nose to mouth |
| Nares | Nostrils |
| Mammary Papillae (teats) | Nipple |
| Cranial | Region- Head |
| Scrotum | Sac enclosing testes |
| Urethral Orifice | Exit hole of the urine transport tube |
| Vaginal Orifice | Exit hole of the reproductive canal |
| Anal Orifice | Exit hole of the digestive waste |
| Penis | Male reproductive organ |
| Vestibule | Small space/cavity at the beginning of a canal |