Comparative Anatomy Concised By Usman Ghani Wahla

Comparative Anatomy Definition the comparative anatomy isthe description and comparision of the structure of aniamals and forms the basis for their classification.

Division of skeleton •axial skeleton •appendicular skeleton •splanchnic

axial skeleton comprises of skull larynx vertebral collumn ribs and sternum.

appendicular skeleton it consists of bones of limbs.it is furthur divided into two parts •thoracic limbs •hind limbs

thoracic limb thoracic girdl scapula clavical coracoid

arm or brachium humerous

fore arms radius and ulna

fore paw

carple, metacarpl ,phalanges

hind limb pelvic girdle ox coxae it consists of the parts. llium,ischium,pubis

thigh region femur legs tibia fibula

hind paw it is also called pes.it consists of tarsal,metatarsal,phalanges. numbers of bones present in different animals

teeth incisor teeth are six in horse and eight in cow canine may present inmale and may not be present in female and absent in cow

sternum

number of bones

horse

7

ox

7

dog sheep

8 6-7

numbers of ribs in horse is 18 and 13 in OX and in dog13 pairs

comparative anatomy of carpus numbers of bones horse

ox

dog

seven or eight

six

seven

in proximal row=4 in distle row=4 proximal=4 distle=2

proximal=3 distle=4

comparative anatomy of truses number of bones horse dog six proximal row=2 proximal=2

ox five

distle=4 distal=3

5 proximal=2 distlal=3

comparative anatomy of vertebral column thoracic vertebrae horse

ox

dog

sheep

18

13

13

13

dog

sheep

lumber vertebre horse 6

ox 6

7

6-7

sacral vertebra horse 5

ox 5

dog 3

sheep 4

dog

sheep

15

3-24

caudal vertebrae horse

ox

15-21

18-20

total number of bones in horse are 205

Assignmen t Number of bones in different animals presented to Dr Muhammad Sajid

presented by Muhammad Irfan Hassaan 2008-VA-297