Follicle Collection (page 3)

Demodex uncii, follicle mite
A follicle mite magnified X600. The follicle mite is a worm-like microscopic mite which lives in the follicles and sebaceous gland of most humans

Hair shaft and skin, SEM
Hair shaft and skin. Coloured scanning electron micrograph (SEM) of a hair shaft (dark brown, left) growing from the surface of human skin

Human skin, polarised light micrograph
Human skin. Polarised light micrograph of a section through human skin showing hair follicles (black). The top layer of the skin

Egg cell, SEM
Egg cell. Coloured scanning electron micrograph (SEM) of a freeze-fracture of a developing egg cell in a secondary follicle of the ovary. At centre is the rounded egg cell or secondary oocyte (red)

Eyebrow hair, SEM
Eyebrow hair and skin. Coloured scanning electron micrograph (SEM) of eyebrow hair growing from the surface of human skin

Coloured SEM of egg cell in secondary follicle

Hair follicles, SEM
Hair follicles. Coloured scanning electron micrograph (SEM) of a section through freeze- fractured hair follicles in the skin

Stubble hair, SEM
Stubble hair and skin. Coloured scanning electron micrograph (SEM) of stubble hair growing from the surface of human skin

Illustration of thyroid gland and microscopic view

Thyroid gland, light micrograph
Thyroid gland. Coloured light micrograph of a thyroid gland showing the follicles. The follicles are lined by a single layer of cuboidal epithelial cells (purple, dark nuclei)

Thyroid gland follicle, TEM
Thyroid gland follicle. Coloured transmission electron micrograph (TEM) of a follicle from the thyroid gland. The follicle consists of a layer of epithelial cells (pink)

Illustration of single thyroid follicle
Illustration of a single human thyroid follicle, the functional unit of the thyroid gland. The follicle has been cut open to reveal the internal layer of epithelial cells surrounding a pool of

Illustration of blood supply in the thyroid gland
Illustration of the capillary blood supply of a follicle in the human thyroid gland. The thyroid endocrine gland consists of many closed spheroidal follicles

Thyroid follicles. Computer artwork of cells of thyroid follicles (pink, purple) superimposed on an artwork of the thyroid gland (red, centre)

Illustration of follicles in the thyroid gland
Thyroid gland. Illustration of the microscopic cell structure of the human thyroid gland, with an outline of the whole gland superimposed

Corpus luteum, SEM
Corpus luteum. Coloured scanning electron micrograph (SEM) of a corpus luteum, or yellow body (brown), in an ovary. The corpus luteum is formed after ovulation

Collapsed ovarian follicle, SEM
Collapsed ovarian follicle. Coloured scanning electron micrograph (SEM) of an ovarian follicle just after ovulation (release of an egg)

Follicles in a human ovary, micrograph
Developing follicles in a human ovary, light micrograph. Three developing Graafian follicles are seen. A Graafian follicle is a structure in the ovaries from which an ovum (egg cell) is released

Ear canal, SEM
Ear canal. Coloured scanning electron micrograph (SEM) of hairs growing in an ear canal. The ear canal runs between the outer ear and the eardrum

Artwork of ovum (egg) development in womans ovary
Ovum development. Illustration showing the development of a human ovum (egg) in an ovary (pink, at lower centre) during the menstrual cycle

Graafian follicles, light micrograph
Developing Graafian follicles. Light micrograph of a sectioned human ovary, showing two developing Graafian follicles. A Graafian follicle is a structure in the ovaries from which an ovum (egg cell)

Palm. Magnified section of palm, historical artwork. The external ridged surface is the cuticle, with the thin layer of skin below this known as the rete mucosum, or epidermis

Magnified section of scalp, historical artwork. The external surface is the cuticle, with the layer of skin below this known as the rete mucosum, or epidermis

Thyroid follicles, artwork
Thyroid gland. Computer artwork of a thyroid gland (red, centre), superimposed on an image of cells of thyroid follicles (green, blue)

Coloured SEM of secondary follicles in the ovary

Lymph node, light micrograph
Lymph node. Coloured light micrograph of a section through a lymph node. A lymph node filters pathogens from lymph fluid, a watery liquid that surrounds the tissues of the body

Coloured LM of a follicle of a human lymph node
Lymphoid follicle. Coloured light micrograph (LM) of a section through a follicle of a human lymph node. The follicle contains B-cells and antibodies, parts of the immune system

Liver tuberculosis, light micrograph
Liver tuberculosis. Coloured light micrograph of a section through the liver of a patient with miliary tuberculosis (TB). A tubercle, a nodular lesion of infected dead tissue, is seen at left

Miliary tuberculosis, light micrograph
Miliary tuberculosis. Light micrograph of a section through a single miliary tubercle (left) in a patients lung. Tubercles are nodular lesions of infected dead tissue that arise from tuberculosis (TB)

Artwork of skin surrounded with acne bacteria
Acne. Artwork showing a section of human skin surrounded by skin bacteria, a cause of acne. Acne is a skin disorder in which the sebaceous glands and hair follicles become inflamed

Thyroid, light micrograph
Thyroid. Light micrograph of a section through a thyroid gland. The dark purple areas are follicles that are filled with a storage form form of the thyroid hormones

Ovarian cycle, artwork
Ovarian cycle, computer artwork. Once sexual maturity is reached up to 20 oocytes start developing into eggs (ovums) every menstrual cycle

Ovarian follicle maturation, artwork
Ovarian follicle maturation. Computer artwork showing the beginning of the follicular phase of ovarian follicle maturation. At bottom left is the primary follicle stage

Blocked pore in acne, artwork
Blocked pore in acne, computer artwork. Sweat pore (centre) that has become blocked (centre) due to acne. Acne is a skin disorder in which the sebaceous glands of the skin become inflamed (red areas)

Bacterial skin infections, artwork
Bacterial skin infections, computer artwork. Round (green, cocci) and cylindrical (blue, bacilli) bacteria on skin, with hair shafts also seen

Eyelash, SEM
Eyelash, coloured scanning electron micrograph (SEM). Eyelashes are hairs that grow from the eyelids. They are sensitive to being touched, providing a warning that an object is near the eye

Graafian follicle, light micrograph
Graafian follicle. Light micrograph of a section through a mature Graafian follicle from a mammalian ovary. This contains the secondary oocyte (round object at centre)

Thyroid follicle structures, TEM
Thyroid follicle structures. Coloured transmission electron micrograph (TEM) of a section through structures in a thyroid follicle

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"Follicle: The Hidden World Within Our Skin" Delving beneath the surface, a skin cross section reveals an unwelcome guest - a pesky blackhead lurking within a follicle. A medical illustration showcases the discomforting presence of a pilonidal cyst near the natal cleft of one's buttocks, reminding us of the complexity of our follicles. Diagramming the intricate layers of human skin, we discover that nestled within lies the hair follicle, playing a vital role in our body's protective barrier. Venturing deeper into our anatomy, an illustrated cross-section unveils the fascinating world inside our ovaries - where countless tiny follicles hold potential life. Acne takes various forms; from non-inflammatory to inflammatory types, it reminds us how even these small follicular structures can cause significant distress for some. Conceptual imagery beautifully portrays the layers comprising human skin - with each layer housing its own unique set of functions and intricacies including those related to hair growth. An informative diagram enlightens us about the anatomy of human skin and highlights how crucially intertwined it is with hair follicles in maintaining overall health and protection. Amidst lush landscapes in Kerala, India, Nutmeg trees bear fruit containing precious seeds used since ancient times for their medicinal properties linked to healthy hair follicles. Peering through powerful microscopes reveals another hidden secret - microscopic eyelash mites residing on our lashes' delicate hairs; yet another testament to nature's intricate design within our follicles. Colored SEM images provide mesmerizing glimpses into individual strands adorning our bodies – showcasing both eyelash hairs and sections through hair follicles. Intriguingly complex yet often overlooked, these captions shed light on "follicle, " unraveling its significance across various aspects like skincare concerns or even fertility while inviting appreciation for this hidden world within our skin.