Secretory Collection

Medulla oblongata in the brain, artwork
Hypothalamus in the brain. Computer artwork of a persons head showing the brain inside. The highlighted area shows the hypothalamus

Osteocyte bone cell, SEM C016 / 9025
Osteocyte bone cell. Coloured scanning electron micrograph (SEM) of an osteocyte bone cell (blue) surrounded by bone tissue (pink)

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

Plasma cells, TEM
Plasma cells. Coloured transmission electron micrograph (TEM) of plasma cells. Plasma cells are mature B lymphocytes (white blood cells) that produce and secrete antibodies during an immune response

Thyme leaf oil gland. Coloured scanning electron micrograph (SEM) of part of the leaf surface of the herb thyme, Thymus vulgaris, showing an oil gland

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

Nasal lining, SEM
Nasal lining. Coloured scanning electron micrograph (SEM) of the olfactory epithelium that lines the nasal cavity, showing olfactory cells (red) surrounded by numerous cilia (hair-like projections)

Cervix, light micrograph F006 / 9805
Cervix. Light micrograph of a section though the mucosa of the cervix, the neck of the uterus. The purple-lined areas are cervical glands, which produce mucus (pink inside the glands)

Osteocyte bone cell, SEM C016 / 9026
Osteocyte bone cell. Coloured scanning electron micrograph (SEM) of an osteocyte bone cell (red) surrounded by bone tissue (grey)

Trachea lining, SEM C013 / 7126
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of a trachea (wind pipe), showing the cilia (hair-like) and goblet cells (orange). The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7122
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe). The trachea links the larynx to the lungs

Geranium oil gland
Geranium leaf oil gland. Coloured scanning electron micrograph (SEM) of the surface of a leaf of the fragrant Geranium plant, Pelargonium graveolens, showing an oil gland

Trachea, SEM
Trachea. Coloured scanning electron micrograph (SEM) of the lining of the trachea (windpipe). The trachea links the larynx (voice box) to the lungs

Osteoblast bone cell, SEM
Osteoblast bone cell. Coloured scanning electron micrograph (SEM) of an osteoblast (centre) in bone tissue. Osteoblasts are primarily found in regions of new bone growth

Spider silk spinners, SEM
Spider silk spinners. Coloured scanning electron micrograph (SEM) of the spinnerets of a house spider (Tegenaria domestica)

Small intestine, light micrograph
Small intestine. Light micrograph of a section through the small intestine. The finger-like projections at left are the villi. These increase the surface area for the absorption of food

Colon, light micrograph F006 / 9806
Colon, light micrograph. Goblet cells, which secrete mucous to lubricate the epithelium, are red. Magnification: x150 when printed at 10 centimetres wide

Stomach lining, SEM C016 / 9068
Stomach lining. Coloured scanning electron micrograph (SEM) of the lining of the stomach, known as the mucosa. The stomach is a muscular sac involved in storage and digestion of food

Female endocrine glands, artwork C016 / 7522
Female endocrine glands. Computer artwork showing the location of the endocrine glands (yellow) in a womans body. These are (from top to bottom): thyroid, thymus, adrenal glands (x2), pancreas

Insect defence glands, artwork C016 / 7681
Insect defence glands. Computer artwork of a beetle (order Coleoptera, left) and ant (family Formicidae, right), showing the location of the glands that secrete defensive chemicals

Gastric gland, TEM
Gastric gland. Transmission electron micrograph (TEM) of a section through the deep region of a gastric (fundus) gland, showing several enzyme-secreting chief cells with many secretory granules

Islet of Langerhans beta cell, TEM
Islet of Langerhans beta cell. Transmission electron micrograph (TEM) of a section through a beta cell in an islet of Langerhans in the pancreas

Smell receptor, TEM
Smell receptor. Transmission electron micrograph (TEM) of a section through the olfactory epithelium that lines the nasal cavity, showing an olfactory cell (smell receptor)

Goblet cell, TEM
Goblet cell. Transmission electron micrograph (TEM) of a section through a goblet cell in the lining (epithelium, top) of the small intestine

Cervix, light micrograph
Cervix. Light micrograph of a section through the mucosa of the cervix, the neck of the uterus. This is the endocervix, which borders the uterus. It is lined with columnar epithelial cells

Enterocyte, TEM
Enterocyte. Transmission electron micrograph (TEM) of a section through the cytoplasm and part of the nucleus of an enterocyte cell located in a crypt of Lieberkuhn of the small intestine

Islet of Langerhans, TEM
Islet of Langerhans. Transmission electron micrograph (TEM) of a section through cells clustered in an islet of Langerhans in the pancreas

Pineal gland, light micrograph. The pineal gland is a small endocrine gland located near to the centre of the brain, between the two hemispheres

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

Enteroendocrine cell, TEM
Enteroendocrine cell. Transmission electron micrograph (TEM) of a section through an enteroendocrine cell within a gland of the stomach

Corpus luteum of ovary, light micrograph C016 / 0527
Corpus luteum of ovary. Light micrograph of a section through steroid-secreting luteal cells in the corpus luteum of an ovary. The corpus luteum develops from an ovulated follicle

Islet of Langerhans, light micrograph C016 / 0514
Islet of Langerhans. Light micrograph of a section through an islet of Langerhans in a pancreas. Scattered throughout the pancreas, the islets are endocrine cells that secrete a range of hormones

Gallbladder surface, SEM C015 / 9611
Gallbladder surface, coloured scanning electron micrograph (SEM). At centre are three secretory glands (yellow). The columnar epithelium of the surface is covered in microvilli

Islet of Langerhans, light micrograph C016 / 0513
Islet of Langerhans. Light micrograph of a section through an islet of Langerhans in a pancreas. Scattered throughout the pancreas, the islets are endocrine cells that secrete a range of hormones

Trachea lining, TEM C014 / 1469
Trachea lining. Transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs

Trachea lining, TEM C014 / 1471
Trachea lining. Transmission electron micrograph (TEM) of a transverse section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs

Trachea lining, TEM C014 / 1470
Trachea lining. Transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs

Trachea lining, TEM C014 / 1472
Trachea lining. Transmission electron micrograph (TEM) of a transverse section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs

Saliva chemicals, molecular model
Saliva chemicals. Molecular structure of a group of saliva molecules. These include the antibody immunoglobulin A (blue, double-y shape, see C014/5652)

Lactating breast tissue, light micrograph C015 / 7102
Lactating breast tissue. Light micrograph of a section through healthy breast (mammary gland) tissue during lactation. Glandular tissue in the breast has proliferated to produce spaces (alveoli)

Sebaceous gland, light micrograph C015 / 6911
Sebaceous gland. Light micrograph of a section through breast tissue showing a sebaceous gland. These glands produce an oily protective substance called sebum

Potato Leaf ts (SEM)
Potato leaf. Coloured scanning electron micrograph (SEM) of a transverse section of a potato leaf (Solanum tuberosum). The upper

Thyroid gland, SEM C015 / 6419
Thyroid gland. Coloured scanning electron micrograph (SEM) of a fracture through the thyroid gland revealing several follicles (green and blue). Between the follicles is connective tissue (pink)

Islet of Langerhans, TEM C015 / 6418
Islet of Langerhans. Transmission electron micrograph (TEM) of a section through cells clustered in an islet of Langerhans in the pancreas

Adrenal cortex, light micrograph C015 / 6417
Adrenal cortex. Light micrograph of a section through a healthy adrenal cortex (red). The adrenal glands are found on top of the kidneys

Trachea lining, SEM C013 / 7127
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of a trachea (wind pipe), showing the cilia (hair-like) and goblet cells (pink). The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7125
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of a trachea (wind pipe), showing the cilia (hair-like) and goblet cells (orange). The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7124
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe). The trachea links the larynx to the lungs

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"Unveiling the Hidden Secrets: Exploring the Intricacies Cells and Glands" Delving deep into the intricate workings of our body, we uncover a world hints that hold immense significance. From the medulla oblongata in the brain to osteocyte bone cells, each structure plays a vital role in maintaining our well-being. Intriguing artwork showcases the complexity of these secretory systems. The medulla oblongata, often referred to as the "brain's control center, " orchestrates various bodily functions with its network of neurons. Meanwhile, osteocyte bone cells reveal their delicate intricacy under SEM C016 / 9025, highlighting their crucial role in bone formation and maintenance. Moving on to another remarkable organ, we encounter an artistic representation of pancreas anatomy. This gland houses pancreatic islets of Langerhans - clusters of specialized cells responsible for secreting hormones like insulin and glucagon that regulate blood sugar levels. Venturing further into microscopic realms, TEM unveils plasma cells - guardians against infections by producing antibodies that defend our immune system. Thyme leaf oil glands capture attention with their unique secretion properties while contributing to aromatic experiences. SEM images offer glimpses into hidden worlds within us - brain lining displaying its intricate web-like structure; fallopian tube cells showcasing their elegant arrangement; nasal lining revealing its finely textured surface; cervix exhibiting distinctive features under light micrograph F006 / 9805; trachea lining demonstrating its protective capabilities through SEM C013 / 7126. These captivating visualizations remind us of the awe-inspiring complexity present within our bodies' secretory systems. They serve as a testament to nature's ingenuity and inspire us to delve deeper into understanding these hidden secrets that contribute so profoundly to our overall health and well-being.