Short-beaked echidna anatomy — Comparative Brain Anatomy

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Comparative Brain Anatomy

Basic Nervous System Structure

Non-human Primates

Human Embryo 3.5 weeks

Human Embryo 4 weeks

Human Embryo 5 weeks

Human Embryo 7 weeks

Human Embryo 8 weeks

Human Fetus 19 weeks

Echidna 7.4 mm GL (incubation)

Echidna 12.5 mm GL (prehatching)

Echidna 24 mm GL (hatchling)

Platypus 8.5 mm GL (incubation)

Platypus 16.75 mm GL Bill

Platypus 16.75 mm GL Forebrain

Platypus 16.75 mm GL Brainstem

Platypus hatchling 74 mm

Platypus juvenile 193 mm

Platypus juvenile 240 mm

Platypus juvenile 55.5 mm HL

Tammar Wallaby P0 H&E

Tammar Wallaby P5 H&E

Tammar Wallaby P12 H&E

Tammar Wallaby P19 H&E

Tammar Wallaby P25 H&E

Tammar Wallaby P0 GAP-43

Tammar Wallaby P5 GAP-43

Tammar Wallaby P12 GAP-43

Tammar Wallaby P0 Syn

Tammar Wallaby P19 Syn

Brushtail Possum P0 H&E

Bandicoot P0 H&E Frontal

Bandicoot P0 H&E Sagittal

Red-necked Wallaby 6.7 mm

Eastern Quoll P0 H&E Horizontal

Eastern Quoll P0 H&E Sagittal

American marsupials

Didelphimorphia

Paucituberculata

Australian Marsupials

Peramelemorphia

Notoryctemorphia

Short-beaked Echidna

Long-beaked Echidna

Monotreme reproduction

Manatee (Sea cows)

Atlas of the Brain of the Florida Manatee

Images of Dolphin Brains

Atlas of the Brain of a Dolphin

Atlas of the Brain of a Fetal Dolphin

Atlas of the Brain of a Fetal Grey Whale

Atlas of the Brain of a Harbour Seal

External Features of Dugong Brain

Chick Embryo Atlas

Phylogeny and History of Australian Birds

Pigeon Brain Nissl Stain

Pathways in the Avian Brain

Introduction to Neurobiology of Australian Marsupials

Specimens and Collections

Comparative Brain Anatomy

Basic Nervous System Structure

Non-human Primates

Human Embryo 3.5 weeks

Human Embryo 4 weeks

Human Embryo 5 weeks

Human Embryo 7 weeks

Human Embryo 8 weeks

Human Fetus 19 weeks

Echidna 7.4 mm GL (incubation)

Echidna 12.5 mm GL (prehatching)

Echidna 24 mm GL (hatchling)

Platypus 8.5 mm GL (incubation)

Platypus 16.75 mm GL Bill

Platypus 16.75 mm GL Forebrain

Platypus 16.75 mm GL Brainstem

Platypus hatchling 74 mm

Platypus juvenile 193 mm

Platypus juvenile 240 mm

Platypus juvenile 55.5 mm HL

Tammar Wallaby P0 H&E

Tammar Wallaby P5 H&E

Tammar Wallaby P12 H&E

Tammar Wallaby P19 H&E

Tammar Wallaby P25 H&E

Tammar Wallaby P0 GAP-43

Tammar Wallaby P5 GAP-43

Tammar Wallaby P12 GAP-43

Tammar Wallaby P0 Syn

Tammar Wallaby P19 Syn

Brushtail Possum P0 H&E

Bandicoot P0 H&E Frontal

Bandicoot P0 H&E Sagittal

Red-necked Wallaby 6.7 mm

Eastern Quoll P0 H&E Horizontal

Eastern Quoll P0 H&E Sagittal

American marsupials

Didelphimorphia

Paucituberculata

Australian Marsupials

Peramelemorphia

Notoryctemorphia

Short-beaked Echidna

Long-beaked Echidna

Monotreme reproduction

Manatee (Sea cows)

Atlas of the Brain of the Florida Manatee

Images of Dolphin Brains

Atlas of the Brain of a Dolphin

Atlas of the Brain of a Fetal Dolphin

Atlas of the Brain of a Fetal Grey Whale

Atlas of the Brain of a Harbour Seal

External Features of Dugong Brain

Chick Embryo Atlas

Phylogeny and History of Australian Birds

Pigeon Brain Nissl Stain

Pathways in the Avian Brain

Introduction to Neurobiology of Australian Marsupials

Specimens and Collections

Basic Nervous System Structure

Non-human Primates

Folder: Rodents

Folder: Human Brain Development

Human Embryo 3.5 weeks

Human Embryo 4 weeks

Human Embryo 5 weeks

Human Embryo 7 weeks

Human Embryo 8 weeks

Human Fetus 19 weeks

Folder: Developmental Atlases Monotremes

Echidna 7.4 mm GL (incubation)

Echidna 12.5 mm GL (prehatching)

Echidna 24 mm GL (hatchling)

Platypus 8.5 mm GL (incubation)

Platypus 16.75 mm GL Bill

Platypus 16.75 mm GL Forebrain

Platypus 16.75 mm GL Brainstem

Platypus hatchling 74 mm

Platypus juvenile 193 mm

Platypus juvenile 240 mm

Platypus juvenile 55.5 mm HL

Folder: Developmental Atlases Marsupials

Tammar Wallaby P0 H&E

Tammar Wallaby P5 H&E

Tammar Wallaby P12 H&E

Tammar Wallaby P19 H&E

Tammar Wallaby P25 H&E

Tammar Wallaby P0 GAP-43

Tammar Wallaby P5 GAP-43

Tammar Wallaby P12 GAP-43

Tammar Wallaby P0 Syn

Tammar Wallaby P19 Syn

Brushtail Possum P0 H&E

Bandicoot P0 H&E Frontal

Bandicoot P0 H&E Sagittal

Red-necked Wallaby 6.7 mm

Eastern Quoll P0 H&E Horizontal

Eastern Quoll P0 H&E Sagittal

Folder: American marsupials

American marsupials

Didelphimorphia

Paucituberculata

Folder: Australian marsupials

Australian Marsupials

Peramelemorphia

Notoryctemorphia

Folder: Monotremes

Short-beaked Echidna

Long-beaked Echidna

Monotreme reproduction

Folder: Marine mammals

Manatee (Sea cows)

Atlas of the Brain of the Florida Manatee

Images of Dolphin Brains

Atlas of the Brain of a Dolphin

Atlas of the Brain of a Fetal Dolphin

Atlas of the Brain of a Fetal Grey Whale

Atlas of the Brain of a Harbour Seal

External Features of Dugong Brain

Chick Embryo Atlas

Phylogeny and History of Australian Birds

Pigeon Brain Nissl Stain

Pathways in the Avian Brain

Folder: Please donate

Folder: Explore collections

Introduction to Neurobiology of Australian Marsupials

Specimens and Collections

Short beaked echidna

Short beaked echidna head modified from Cabrera (1919)

short beaked echidna skull flipped.jpg — Short beaked echidna skull

Image modified from Cabrera (1919)

Short-beaked echidna development

Professor Emeritus Ken Ashwell, Faculty of Medicine Department of Anatomy, School of Medical Sciences,
Wallace Wurth Building, The University of New South Wales, 2052, NSW, Australia | k.ashwell@unsw.edu.au

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