5/3/2017 LIZARD BRAINBIRD BRAINRABBIT BRAINCOMPARATIVE ANATOMY | BIOZOOMT&C Apply TOPICS LIST LIZARD BRAIN‐BIRD BRAIN‐RABBIT BRAIN‐ BIOLOG FACTS ECONOMIC ZOOLOGY COMPARATIVE ANATOMY CHICK EMBRYOLOGY GENITICS ONLINE IMMUNOLOGY ORIGIN OF LIFEORGANIC EVOLUTION INVERTEBRATES CHORDATES VERTEBRATES COMPARATIVE VERTEBRATE ANATOMY ZOOGEOGRAPHY CHROMATOGRAPHY VIDEOS About us Contact us REPTILE BRAIN BIRD BRAIN MAMMAL BRAINSIMILARITIES AND DIFFERENCES amithbabu k Follow 156 View my complete profile FOLLOWERS Followers (100) Next Follow http://www.biozoomer.com/2014/03/lizardbrainbirdbrainrabbitbrain.html 1/6 Cerebral hemispheres antero posterior ends. elevation the tuberculum of olfactorium. 5. 6. The surface of cerebral 9. 8. 7. Cerebral hemispheres 5. animal kingdom. The surface of cerebral 9. brain. Brain of lizard is 1.5/3/2017 LIZARD BRAINBIRD BRAINRABBIT BRAINCOMPARATIVE ANATOMY | BIOZOOM BRAIN OF BRAIN OF CALOTES BRAIN OF COLUMBA ORYCTOLAGUS (GARDEN LIZARD) (PIGEON) (RABBIT) 1. Cerebral hemispheres hemispheres largely not cover olfactory and largely cover olfactory bbes cover olfactory lobes optic lobes but partly and diencephalon. triangular in shape are very large and form These are medially and very large and about half of the brain. PROSENCEPHALON 3. There are no tuberculum of olfactorium. There is no corpus 7. Posterior end of corpus callosum bends 8. lobes.html 2/6 . not overlap optic lobes. Mammalian brain is 1. Cerebral hemispheres are and 7. Brain is protected by are outer thick dura two meninges.com/2014/03/lizardbrainbirdbrainrabbitbrain. membrane in between the two meninges. The 4. There is no corpus connected with other callosum. lobes Frontal. 9. Cerebral hemispheres do 6. These do diencephalon & optic overlap the diencephalon. Each cerebral hemispheres is smooth and hemispheres is smooth and hemisphere is are not differentiated. They 2. Each lobe has olfactory peduncle & 4. 2. advanced in the in proportion to the body. by a horizontal transverse band corpus callosum. 8. Olfactory lobes are large 3. into are not differentiated into differentiated into four lobes. Cerebral are oval with narrow hemispheres are 5. inner thin pia outer thick duramater and mater and archanoid inner thin piamater. Fornix is absent. hemispheres. The o￥actory lobes are more distinctly visible diferentiated into an very small and greatly on the ventral side of olfactory tract or peduncle covered by the cerebral the cerebral and olfactory bulb. separated by a middorsal form about half of the fissure. 4. mater. There is no tuber culum olfactory bulb. Avian brain is much more very large and is most relatively small and simple developed. They are 2. Brain is protected three meninges.biozoomer. http://www. lobes. Olfactory lobes are 3. Cerebral 6. hemispheres. Olfactory peduncle ends behind of olfactorium and olfactory lobes are enclosed by in a slightly renewed ventricle olfactory ventricle. down and extends forward as fornix. Fornix is absent. callosum. Same as in calotes. Crura cerebri are floor of midbrain are developed. central lobe or vermis and smaller lateral lobes pair of very small lateral and a pair of still floccular lobes. backward extension of cerebral hemispheres. The roof of 14. mamillare present behind pituitary body. Epiphysial apparatus 15. Same as in not overlapped by the overhung by cerebellum. Corpora striata are very 11. 17. 25. Cerebellum is developed and it is in the comparatively more very well developed form of a flattened ridge at developed and divided into and divided into two the anterior end of medulla two lateral and a median lateral lobes and a oblongata. and forms the anterior choroid plexus. absent.com/2014/03/lizardbrainbirdbrainrabbitbrain. Ventral fissure and 29. highly developed. Same as in calotes. 27. Diencephalon is a small 13. cloumba. Same as in calotes. 26. Opticthalamiare well connected together by present but middle developed but there is no a thick band of grey commissure is lacking. Lateral ventricles are 12. Pineal eye is present. Corpus albicans is 18. Optic thalami are 16. There is a median http://www. oval vermis. Cerebellum is differentiated into five 24. Cerebellum surface is 23. matter called as middle commissure. Cerebral cortex is 10. Cerebellum is lobes a median large differentiated into three central lobe or 24. 14. the lateral parts of the cerebellum. albicans or corpus absent. and highly vascular choroid plexus. Opticthalami are 16. are less conspicuous 12. Epiphysial apparatus possess an anterior 15. flexure. Cerebellum is not lobes a median large. 26. 10. Same as in calotes. Same as in calotes. Absent. 11. penial body. Asmall. White matter forms treelike arbor 26. smaller floccular lobes. well developed. 18. Ventral flexure is 28. Same as in bird. 28. Medulla oblongata is 27. a pair of differentiated into lobes.5/3/2017 LIZARD BRAINBIRD BRAINRABBIT BRAINCOMPARATIVE ANATOMY | BIOZOOM parietal. Cerebellum is 22. Optocoels are much solid and without with optocoels. conspicuous. vitae in grey matter can be seen in the section of cerebellum. middle commissure. Crura cerebri are well 20. Absent. Medulla oblongata is 27. Lateral ventricles 12. Diencephalon is visible comparatively small rounded area pressed on the ventral side and and completely between the cerebrum and dorsally covered by covered with midbrain. 13. optocoels. Same as in parietal body and posterior possess pineal body as. Two optic are large and oval and are present number and form as present laterally to form dorsally to form corpora corpora quadri gemina corpora bigemina. The crura cerebri at the 20. Corpora striata quite conspicuous. Cerebellum is poorly 22. poorly developed. There is no arbor vitae. Same as in calotes. It has a distinct ventral 28. cerebellum. MESENCEPHALON 19. Same as in calotes. reduced. Two optic lobes are small and four in 19. Pons varolii are present and connect 25. 21. 17. Absent. Optic lobes are 21. lobe. Pons varolii are absent. bigemina which are covered by cerebellum. Diencephelon roof is diencephalon is thin thin and forms anterior 14. 23. 29. rounded body. 16. 29. 25. well developed. 17. folded all over.biozoomer. Temporal & Hippo campal. Diencephalon is 13. Corpora striata are 11. Optic lobes are hollow 21. median lobe. columba. are branched. 20. cerebral hemispheres. RHOMBENCEPHALON 22. 24. Optic lobes are 19. Cerebral cortex is not 10. Same as in calotes. smooth.html 3/6 . 15. Cerebellum surface is 23. the corpus 18. unbranched. bordered by two narrow bands the ventral pyramids. The roof of medulla is 31. present just behind pons varolii. forms the roof over hind part of the fourth ventricle. the fourth ventricle. Velum medullae medullae posterius 33. Velum medullae i; the anterior part of anterius is not formed. A thin transparent membrane Velum medullae anterius forms the roof over 32. choroid plexus. Velum medullae 32.com/2014/03/lizardbrainbirdbrainrabbitbrain. This connects the optic lobes with the cerebellum. http://www.biozoomer. The posterior choroid medulla is thin and vascular which plexus is completely exceptionally thin and forms the posterior choroid covered with the forms the posterior plexus cerebellum.html 4/6 . Same as in calotes posterius is absent. lacking. 30. Corpora trapezoidea 30. absent.5/3/2017 LIZARD BRAINBIRD BRAINRABBIT BRAINCOMPARATIVE ANATOMY | BIOZOOM ventral pyramids are ventral fissure absent. A pair of oblong patches corpora 30. Corporatrapezoidea are trapezoidea are are not formed. 33. 32. A thin transparent membrane Velum 33. The roof of 31. 31. 5/3/2017 LIZARD BRAINBIRD BRAINRABBIT BRAINCOMPARATIVE ANATOMY | BIOZOOM read more about fish brain frog brain comparison Recommend this on Google No comments: Post a Comment Enter your comment...html 5/6 .. Comment as: Select profile. Publish Preview Pages (150) 1 2 3 4 5 6 Next Subscribe to: Post Comments (Atom) RECENT POSTS Subscribe to BIOZOOM http://www.com/2014/03/lizardbrainbirdbrainrabbitbrain..biozoomer. com/2014/03/lizardbrainbirdbrainrabbitbrain.5/3/2017 LIZARD BRAINBIRD BRAINRABBIT BRAINCOMPARATIVE ANATOMY | BIOZOOM TOPICS AMPHIBIA ANIMALBREEDING AQUACULTURE AVES BIOLOGYGEN CEPHALOCHORDATA CHICK EMBRYOLOGY CHORDATA COMPARATIVE ANATOMY CYCLOSTOMATA DENTITIONMAMMALS EVOLUTION FISHES GENETICS IMMUNITY MAMMALS POULTRY REPTILES UROCHORDATA ZOOGEOGRAPHY http://www.html 6/6 .biozoomer.