Regulatory Collection

Pancreas anatomy, artwork
Pancreas anatomy. Cut-away computer artwork of the pancreas, which secretes digestive enzymes and the hormones insulin and glucagon, which regulate blood sugar levels

English oak leaf pores, SEM
English oak leaf pores. Coloured scanning electron micrograph (SEM) of stomata (round) on the underside of a leaf from an English oak (Quercus robur) tree

Pancreatic islet of Langerhans
Islet of Langerhans. Light micrograph of a section through an islet of Langerhans (pale, centre) in pancreas tissue. This clump of secretory cells forms part of the endocrine system of the body

French lavender leaf pore, SEM
French lavender leaf pore. Coloured scanning electron micrograph (SEM) of an open stoma (centre, black). Stomata are pores that open and close in order to regulate gas exchange in a plant

Taking the Census, 1854 (oil on canvas)
3613966 Taking the Census, 1854 (oil on canvas) by Edmonds, Francis William (1806-63); 71.1x96.5 cm; Metropolitan Museum of Art, New York

Parathyroid hormone molecule. Computer model showing the structure of parathyroid hormone (PTH), or parathormone. Atoms are colour-coded (carbon: dark grey, hydrogen: light grey, oxygen: red)

Sex hormone-binding globulin molecule F006 / 9281
Sex hormone-binding globulin. Molecular model of the sex hormone-binding globulin (SHBG) protein complexed with the male sex hormone dihydrotestosterone

Anterior pituitary gland, TEM
Anterior pituitary gland. Transmission electron micrograph (TEM) of a section through cells of the anterior pituitary. The anterior pituitary, or adenohypophysis

Hepatocyte nuclear factor molecule C015 / 7699
Hepatocyte nuclear factor. Molecule model of the transcription factor hepatocyte nuclear factor 1alpha (HNF-1a). Transcription factors are proteins that bind to specific sequences of DNA

Hepatocyte nuclear factor molecule C015 / 7698
Hepatocyte nuclear factor. Molecule model of the transcription factor hepatocyte nuclear factor 1alpha (HNF-1a). Transcription factors are proteins that bind to specific sequences of DNA

UVR8 protein molecule C014 / 4913
UVR8 protein molecule. Computer model showing photoreception of UV-B (ultraviolet-B) light rays (white beam, left) by a UVR8 protein, whose secondary structure (purple ribbons) is shown

Leptin molecule C014 / 4904
Leptin molecule. Computer model showing the structure of a molecule of the hormone leptin. Leptin is produced by adipose (fat) tissue

Peptide YY obesity hormone molecule C014 / 4911
Peptide YY obesity hormone molecule. Computer model showing the crystal structure of a molecule of the hormone peptide YY (PYY, or PYY3-36)

Peptide YY obesity hormone molecule C014 / 4910
Peptide YY obesity hormone molecule. Computer model showing the crystal structure of a molecule of the hormone peptide YY (PYY, or PYY3-36)

Leptin molecule C014 / 4907
Leptin molecule. Computer model showing the crystal structure of a molecule of the hormone leptin. Leptin is produced by adipose (fat) tissue

Activated ghrelin hormone molecule C014 / 4902
Activated ghrelin hormone molecule. Computer model showing the crystal structure of the human hormone ghrelin. The crystal structure consists of both the secondary structure

Activated ghrelin hormone molecule C014 / 4903
Activated ghrelin hormone molecule. Computer model showing the structure of the human hormone ghrelin. Atoms are colour-coded spheres (carbon: grey, oxygen: red, nitrogen: blue)

Leptin molecule and fat cells C014 / 4906
Leptin molecule and fat cells. Computer artwork showing a molecule of the hormone leptin with adipose (fat) cells (round), from which it is produced

Obestatin molecule C014 / 4908
Obestatin molecule. Computer artwork showing the structure of a molecule of obestatin. Obestatin is thought to supress hunger and reduce food intake, thereby reducing weight gain

Obestatin molecule C014 / 4909
Obestatin molecule. Computer artwork showing the structure of a molecule of obestatin. Obestatin is thought to supress hunger and reduce food intake, thereby reducing weight gain

UVR8 protein molecule C014 / 4912
UVR8 protein molecule. Computer model showing photoreception of UV-B (ultraviolet-B) light rays (top) by a UVR8 protein. The secondary structure (purple ribbons) of UVR8 is shown at bottom

Activated ghrelin hormone molecule C014 / 4901
Activated ghrelin hormone molecule. Computer model showing the crystal structure of the human hormone ghrelin. The crystal structure consists of both the secondary structure

Bacterial RNA-binding protein molecule
Bacterial RNA-binding protein. Molecular model of the bacterial RNA-binding protein Hfq complexed with RNA (ribonucleic acid)

Insulin production, artwork
Insulin production. Computer artwork of the human pancreas (yellow) and an islet of Langerhans (green) producing the hormone insulin (small spheres)

cAMP-dependent protein kinase molecule C016 / 2063
cAMP-dependent protein kinase, molecular model. This enzyme is also known as protein kinase A (PKA). This is the holoenzyme, which consists of two regulatory subunits and two catalytic subunits

Cytotoxic T-lymphocyte antigen-4 C016 / 1633
Cytotoxic T-lymphocyte antigen-4 (CTLA-4), molecular model. The protein receptor is found on T-lymphocytes, one of the cells of the immune system

Cytotoxic T-lymphocyte antigen-4 C016 / 1567
Cytotoxic T-lymphocyte antigen-4 (CTLA-4), molecular model. The protein receptor is found on T-lymphocytes, one of the cells of the immune system

Breathing and body temperature, artwork C013 / 5938
Breathing and body temperature. Computer artwork showing how breathing through the nose helps to regulate body temperature

Pituitary gland C015 / 6420
Pituitary gland. Light micrograph of a section through a healthy pituitary gland. The pituitary is a pea-sized organ found at the base of the brain

HRas enzyme molecule C014 / 0010
HRas enzyme molecule. Molecular model showing the structure of a molecule of the enzyme GTPase HRas, also known as transforming protein p21

Council of Europe building and flags of member nations in Strasbourg, France

Phase change material, SEM
Phase change material. Coloured scanning electron micrograph (SEM) of microcapsules (blue) that contain a phase change material (PCM) coating fabric fibres

Carbon rationing, conceptual image
Carbon rationing. Conceptual artwork of a personal carbon ration book. The introduction of a system of personal carbon rationing has been suggested as a way for the UK to reduce its carbon emissions

Carbon ration book for driving
Carbon ration book and car keys. The introduction of a system of personal carbon rationing has been suggested as a way for the UK to reduce its carbon emissions

Sweat pore, SEM
Coloured scanning electron micrograph (SEM) of a sweat gland pore (yellow) opening onto the surface of a human palm. Sweat pores bring sweat from a sweat gland to the skin surface

Islets of Langerhans cells, artwork
Islets of Langerhans cells, computer artwork. These cells (large, pink) of the pancreas release hormones (dots) into the blood

Sodium-potassium pump molecule. Computer model showing the structure of a molecule of Sodium-Potassium Adenosine Triphosphatase, or the sodium-potassium pump, embedded in a cell membrane

Prokaryotic mechanosensitive ion channel molecule. Computer model showing two views of the molecular structure of a Mechanosensitive Channel of Large Conductance (MscL)

African elephant eye and skin
Elephant eye and skin. Close up of the eye of an African elephant (Loxodonta africana). The long eyelashes are to protect the eyes from dust and insects

Adiponectin hormone molecule. Molecular model showing the secondary structure of the human hormone adiponectin (Acrp30). Hydrogen bonding is shown by beta sheets (arrows) and random coils (wires)

Pancreatic hormone molecule. Molecular model showing the secondary structure of the hormone known as pancreatic polypeptide (PP)

Orexin-A hormone molecule. Computer model showing the crystal structure of a molecule of the hormone orexin-A. The crystal structure consists of both the secondary structure

Orexin-B hormone molecule. Computer model showing the crystal structure of a molecule of the hormone orexin-B. The crystal structure consists of both the secondary structure

ApoE protein

Leptin molecule. Computer model of a molecule of leptin, a protein produced by white fat cells in adipose tissue. Leptin controls the amount of white adipose tissue that is laid down in the body

Parathyroid hormone, molecular model
Parathyroid hormone. Molecular model showing the primary structure (spheres) and secondary structure (coils) of parathyroid hormone (PTH), or parathormone

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"Exploring the Intricacies of Regulatory Systems: From Pancreas Anatomy to Artwork" Delving into the intricate world systems, we uncover the fascinating anatomy of the pancreas and its role in maintaining homeostasis. Through a scanning electron microscope (SEM), English oak leaf pores reveal their hidden secrets, shedding light on how regulation occurs at a microscopic level. The pancreatic islet of Langerhans takes center stage as we explore its vital function in regulating blood sugar levels and insulin production. French lavender leaf pores captured under SEM unveil nature's own regulatory mechanisms, showcasing the beauty within even the tiniest details. Artistic renditions bring Islets of Langerhans cells to life, highlighting their crucial role in coordinating hormonal responses for optimal bodily regulation. "Taking the Census, 1854" by an unknown artist reminds us that data collection has long been essential for understanding populations and implementing effective regulations. Zooming into molecular scale, we examine the parathyroid hormone molecule and its pivotal role in calcium regulation within our bodies' complex systems. The Council of Europe building stands tall amidst flags representing member nations - a symbol of international cooperation towards harmonizing regulatory frameworks across borders. Unveiling another molecular player, cAMP-dependent protein kinase molecule F006/9728 emerges as a key regulator involved in numerous cellular processes throughout our body. Sex hormone-binding globulin molecule F006/9281 comes into focus as we unravel how it modulates sex hormones' availability and influences various physiological functions. A glimpse through transmission electron microscopy (TEM) reveals intricate structures within the anterior pituitary gland - an organ responsible for producing several important hormones involved in systemic regulation. Hepatocyte nuclear factor molecule C015/7699 takes center stage as we explore its critical involvement in liver development, metabolism, and regulatory processes.