-
Name of the fur for a rat
pelage
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Name of whiskers for a rat?
vibrissae
-
Name of the external ears of a rat
pinna
-
Name of the canal leading in from the ear on a rat is called
auditory meatus
-
two nostirls on a rat are called
nares
-
A.
Skeletal System- composed of bone—two types:
- 1.
- Cancellous, or compact bone--Forms the long
- bones of the body
- 2.
- Membranous or spongy bone---Flat bones
-
structure of of cancellous bone-formed in concentric rings termed ______—formed by______
-
The skeletal system is divided
into two parts
A. Axial skeletonB. The Appendicular skeleton
-
Axial skeleton- point of attachment for appendicular
skeleton—protects some body organs
Consists of :
1. The skull 2. The vertebral column (7-cervical, 12-thoracic, 5-Lumbar, Sacram, coccyx)
-
Ribs- ( ? pair ___ –attach to sternum, ? pair____, ? pair _____)
-
Structure of the skull divided into two parts
upper and cranial
-
Cranial portions- consists of
frontal bone (1), the parietals (2), The temporal (2) The occipital (1)
-
Crainial bones joined together by membranous
structures (sutures) –
The coronal (frontal and parietals. The sagittal (parietals), the Squamosal,(parietals and temporals), the lamboidal (occipital and parietals)
-
Facial bone portions:
1. The nasal bone2. The ethmoid, 3. The lacrimal 4. The sphenoid 5. The zygomatic 6. Zygomaticprocess of the temporal 7. The maxillary 8. The mandible
-
Humans- upper appendicular skeleton:
1. The scapula,clavical, humerus, radius + ulna, carpals, meta carpals, phalanges
-
Lower appendicular consits of:
Pelvic bones, femur, tibia andfibula, patella, tarsals, metatarsals, calcaneous, phalanges
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