ESO 3. Biology and Geology
Glucose, a monosaccharide
Cellulose, a polysaccharide
Alanine, an aminoacid
Hemoglobin, a protein
RuBisCO, a protein
Protein structural levels
Arachidic acid, a fatty acid.
DNA structure (I)
DNA structure (II)
DNA structure (III)
DNA structure (IV)
Robert Hooke's drawing of a cork
Root hair cell
Human liver cells
Structure of a prokaryiotic cell
Structure of an eucaryotic animal cell (I)
Structure of an eucaryotic animal cell (II)
Structure of an eucaryotic plant cell
Animal cell (blank) (I)
Anlam cell (blank) (II)
Neurone (blank)
Plant cell (blank)
Structure of the cell membrane
Structure of a mitochondrion (I)
Structure of a mitochondrion (II)
Mitochondria under the electron microscope
Structure of a chloroplast
Chloroplasts (I)
Chloroplasts (II)
Structure of the Golgi apparatus
Golgi apparatus under the electron microscope
Vesicle transport system (I)
Vesicle transport system (II)
The nucleus and the rER
DNA packaging in a cell
Human chromosomes in metaphase
Tissues of a plant's leaf
Main human tissues
Human connective tissues
Epithelial tissues in hominids
Compact bone
Levels of organisation in the humang being
Human body regions
Human body planes
Digestive system organs (I)
Digestive system organs (II)
Gastric epithelium
Duodenum wall
Intestinal villi
Vermiform appendix of the large intestine
Human breathing movements
The ribcage
Human respiratory system (I)
Human respiratory system (II)
Human lungs in detail
Bronchiolar epithelium (I)
Bronchiolar epithelium (II)
Alveoli and capillaries
Gas exchange through alveoli
Red blood cells (I)
Red blood cells (II)
Red blood cells (III) Sickle-cell anaemia
Squeezed red blood cells in ruptured capillary
Platelets
Air-hardened albumin crystals from blood clot
Chambers of the heart
Chambers, valves, arteries and veins of the heart (I)
Chambers, valves, arteries and veins of the heart (II)
Blood vessels
Blood pulmonary and systemic circuits
Arteries of the human body
Veins of the human body
Arteries and veins of the human body
The kidneys from behind
The urinary system
Anatomy of a kidney
Anatomy and location of a nephron
Structure of the renal corpuscle of a nephron
The function of the nephron
How soft drinks affect your health
Neurone
Neurones with glial cell (astrocyte) under the electron microscope
Drawing by Ramón y Cajal of neurones (1899)
Different types of neurones
Motor neurone
Sensory neurone
Bundles of axons
Neurone and synapse
Structure of a synapse
The synapse under the electron microscope
Structure of a nerve
Myelin sheath of a neurone
Structure of the Nervous System (I)
Structure of the Nervous System (II)
Concepts map on the Central Nervous System
Whole brain
Brain cross sections
Sagittal section of the brain
Parts of the brain in sagittal section (I)
Parts of the brain in sagittal section (II)
Cerebral cortical lobes and functions
Section of the spinal cord
Structure and functions of the Autonomic Nervous System
Structure of the eye (I)
Structure of the eye (II)
Sensory cells of the retina: cones (yellow) and rods (white)
Cross section of the iris
Myopia and hyperopia
Structure of the ear (I)
Structure of the ear (II)
Structure of the ear (III)
Taste buds
Olfactory cells of the nasal cavity's mucosa
Endocrine organs in humans (I)
Endocrine organs in humans (II)
The hypothalamus and the pituitary gland
Positive feedback in the endocrine system
Negative feedback in the endocrine system
Hormones involved in hunger
Anterior muscles of the human body
Posterior muscles of the human body
Muscle attached to bone by a tendon
Tendons and ligaments
The human skeleton (front)
The human skeleton (back)
The human skull (front)
The human skull (side)
Male reproductive system (I)
Male reproductive system (II)
Male reproductive system (III)
Male reproductive system (IV)
Male reproductive system (V)
Male reproductive system (VI)
Vasectomy
Female reproductive system (I)
Female reproductive system (II)
Female reproductive system (III)
Female reproductive system (IV)
Female reproductive system (V)
Development of the endometrium
Development of a follicle (I)
Development of a follicle (II)
Development of a follicle and of the endometrium
Hormonal control of the menstrual cycle
Estradiol crystals
Egg and sperms (I)
Egg and sperms (II)
Egg and sperms (III)
Sperm (I)
Sperm (II)
Sperm production in the seminiferous tubules
Ovulation
Fertilization
Ovulation, fertilization and implantation (I)
Ovulation, fertilization and implantation (II)
Ovulation, fertilization and implantation (III)
First stages of the embryonic development
Embryonic development up until implantation
Embryonic development in the first 60 days
Morula
5 weeks embryo
9 months fetus
Development of the face of a human fetus
Good news
Pyrite structure
Diamond structure
Graphite structure
Pyrite growth habit
Main crystal growth habits
Native gold
Native silver
Native copper
Rough diamond
Graphite
Sulphur
Cubic pyrite
Pyrite dodecahedral aggregate
Chalcopyrite and prismatic quartz
Cinnabar
Sphalerite
Galena
Magnetite octahedral aggregate
Hematite
Limonite
Corundum (rough ruby)
Halite
Fluorite
Calcite
Aragonite acicular aggregate
Aragonite twinning
Dolomite
Siderite
Magnesite
Azurite and acicular malachite
Malachite
Barite
Celestine
Anhydrite
Fibrous gypsum
Desert rose gypsum
Rock crystal quartz
Smoky quartz
Milk quartz
Citrine quartz
Rose quartz
Amethyst quartz
Agate (banded variety of chalcedony)
Orthoclase
Biotite
Muscovite aggregate
Olivine
Beryl
Tourmaline
Garnet
Talc
Chlorite
Serpentine
Staurolite cross twinning
Amber with insect
Obsidiane
Conglomerate
Breccia
Sandstone
Siltstone
Mudstone
Weathered limestone
Chalk
Fossiliferous limestone
Flysch of Zumaia (I)
Flysch of Zumaia (II)
Peat
Lignite
Bituminous coal
Anthracite
Peridotite
Gabbro
Diorite
Gray granite
Red granite
Syenite
Pegmatite
Porphyry
Andesite
Basalt
Basaltic volcanic bomb
Pumice
Obsidiane
Ropy lava
Pillow lava
Cataclasite
Marble
Quartzite
Hornfels
Slate
Phyllite
Micaceous schist
Garnetiferous mica schist
Banded gneiss
Augen gneiss
Migmatite
The rock cycle