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Thursday, 09 April 2009 20:50

COMPARISION: Frog Reproductive System + Fish Reproductive System

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MALE REPRODUCTIVE SYSTEM OF SHARK FISH (SCOLIODON) - MALE REPRODUCTIVE SYSTEM FROG (RANA) - SIMLARITIES AND DIFFERNCES
Published in Zoology
Monday, 13 April 2009 17:14

COMPARISION: Male Reproductive System of Bird, Rabbit and Reptile

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Bird (Columba) Male Urino Genital System
MALE REPRODUCTIVE SYSTEM OF CALOTES (GARDENLIZARD) MALE REPRODUCTIVE SYSTEM OFCOLUMBA (PIGEON) MALE REPRODUCTIVE SYSTEM OFORYCTOLAGUS (RABBIT) 1. Testes are white ovoid bodies. 1. Testis white ovoid bodies. 1. Testes are…
Published in Zoology
Monday, 13 April 2009 18:01

COMPARISION: Female Reproductive System of Bird, Rabbit and Reptile

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Bird (Columba) - Female Reproductive System
FEMALE REPRODUCTIVE SYSTEM - CALOTES  FEMALE REPRODUCTIVE SYSTEM - PEGION FEMALE REPRODUCTIVE SYSTEM - RABBIT 1. On the right and left sides two ovaries are present. 1. Only left ovary…
Published in Zoology
Monday, 13 April 2009 18:23

COMPARATIVE ANATOMY: FISH BRAIN AND FROG BRAIN

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Scoliodon Brain (Dorsal View)
Published in Zoology
Tuesday, 14 April 2009 07:54

COMPARATIVE ANATOMY: LIZARD BRAIN, BIRD BRAIN AND RABBIT BRAIN

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CALOTES BRAIN
BRAIN OF CALOTES (GARDEN LIZARD)    BRAIN OF COLUMBA (PIGEON)   BRAIN OF ORYCTOLAGUS (RABBIT) 1. Brain of lizard is relatively small and simple in proportion to the body.  …
Published in Zoology
Tuesday, 14 April 2009 08:21

CRANIAL NERVES OF SCOLIODON (SHARK)

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CRANIAL NERVES OF SCOLIODON: 1. BRANCHIALIS X 3. LATERALIS X 4. BUCCALIS VII 5. CEREBELLUM 6. OPTIC III 7. OPHTHALMICUS SUPERFICIALIS V& VII 8.OLFACTORY LOBE 9.BUCCALIS VII 10. PALATINUS VII 11.MAXILLARIS INFERIOR V 12.MANDIBULARS V 13. MANDIBULARS EXTERNUS VIII 14. HYOMANDIBULARIS VII 15. PHARYNGEAL 16. OPHTHALMICUS PROFUNDUS V 17. POST TREMATIC PRETREMATIC IX IX 18. MANDIBULARS INTERNUS VII
Ten pairs of cranial nerves arise from the brain at different locations to supply the anterior region of the body. In addition to them a pair of terminal or pre…
Published in Zoology
Tuesday, 14 April 2009 08:38

STRUCTURE OF SHARK EYES

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STRUCTURE OF SHARK EYES
SHARK EYE (SCOLIODON EYE) – ANATOMY   Shark two eyes are present on the head. They are located in the orbits and are laterally directed.   The eye is large…
Published in Zoology
Tuesday, 14 April 2009 11:07

SCOLIODON - INTERNAL EAR

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SCOLIODON (INTERNAL EAR): 1) Ducts endo lymphaticus 2) Posterior semi circular canal 3) Horizontal semi-circular 4) Ampulla of posterior vertical canal 5) Nerve 6) Lagena 7) Sacculus 8) Ampulla of anterior vertical canal 9) Utricles
In Shark 3 pair of internal ears are present. They are organs of equilibrium and hearing. The middle and external ears are absent. The internal ear is a complex structure.…
Published in Zoology
Tuesday, 14 April 2009 11:39

AN INTRODUCTION TO PROTOZOA

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AN INTRODUCTION TO PROTOZOA
Protozoa = First animals ("Protos" = first, "Zoon" = animal)   Protozoans were not seen until the invention of microscope (possibly as early as 1590). In 1676 Leeuwenhock first described…
Published in Zoology