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Superior Oblique Muscle
Superior Oblique Muscle The structure indicated is the superior oblique muscle. The superior oblique muscle is one of the extra-ocular muscles. The extra-ocular muscles include the medial, lateral,...
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Cortical Homunculus
Cortical Homunculus The diagram illustrates the cortical homunculus. The cortical homunculus visually portrays the anatomical divisions of the primary motor cortex and the primary somatosensory...
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Hypoglossal Nerve
Hypoglossal Nerve The structure indicated is the hypoglossal nerve (cranial nerve XII). The hypoglossal nerve carries general somatic efferent nerve fibres and is responsible for motor innervation to...
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Orbicularis Oris Muscle
Orbicularis Oris The muscle indicated is the orbicularis oris muscle. The orbicularis oris muscle is one of the muscles of facial expression belonging to the oral group. The muscles of facial...
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Tunica Vaginalis
Tunica Vaginalis The structure indicated is the tunica vaginalis. The tunica vaginalis forms the serous covering of the testis, originating in embryological life from the processus vaginalis of the...
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Suspensory Ligament of Breast (Cooper’s Ligaments)
Suspensory Ligament of Breast (Cooper’s Ligaments) The structure indicated is the suspensory ligament of the breast, also known as Cooper’s ligaments. These ligaments are formed from the connective...
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Iliacus Muscle
Iliacus Muscle The muscle indicated is the iliacus muscle. The iliacus originates in the iliac fossa on the inside of the pelvic bone. The iliacus combines with the psoas major to enter the anterior...
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Precentral Gyrus
Precentral Gyrus The structure indicated is the precentral gyrus. A gyrus is a ridge on the cerebral cortex, and is usually surrounded by grooves, known as sulci. Fissures are larger than sulci and...
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Major alar cartilage
Major alar cartilage The structure indicated is the major alar cartilage (greater alar cartilage). The lateral walls of the external nose are comprised from three cartilages: Lateral process of septal...
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Minor Calyx of Kidney
Minor Calyx of Kidney The structure indicated is the minor calyx of the kidney. The kidney consists of an outer cortex and an inner medulla. The cortex projects into the kidney dividing the medulla...
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Iliocostalis Lumborum
Iliocostalis Lumborum The muscle indicated is the iliocostalis lumborum muscle, one of the erector spinae group of back muscles. The back muscles can be divided into three groups of muscles:...
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Superior Sagittal Sinus
Superior Sagittal Sinus The structure indicated is the superior sagittal sinus. The brain is drained by a series of veins and venous channels which drain into large dural venous sinuses, which in turn...
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Pseudostratified Columnar Epithelium
Pseudostratified Columnar Epithelium This diagram represents pseudostratified columnar epithelium. This is a special type of simple epithelium called pseudostratified epithelium as it resembles...
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Eponychium
Eponychium The structure indicated is the eponychium of the fingernail. The eponychium is a thickened layer of skin which surrounds the nails of the fingers and toes. It serves to protect the area...
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Epiphyseal Line
Epiphyseal Line The structure indicated is the epiphyseal line. The epiphyseal plate is a plate of hyaline cartilage found in children and adolescents, located in the metaphysis at the ends of each...
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Stapes (ossicle of ear)
Stapes (ossicle of ear) The ossicles of the ear are tiny little bones that are located in the middle ear. They are the smallest bone in the human body (the word itself actually means “little bone”)...
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Spinothalamic Tract
Spinothalamic Tract This diagram illustrates the spinothalamic tract (also known as the anterolateral system/ventrolateral system). The spinothalamic tract is one of the ascending sensory tracts which...
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Ciliary Body
Ciliary Body The structure indicated is the ciliary body. The eyeball consists of a fibrous outer layer, a vascular layer, and an inner layer. The vascular layer of the eyeball consists of: Choroid...
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Fungiform Papilla
Fungiform Papilla The structure indicated represents a fungiform papillae, one of the four types of lingual papillae found on the surface of the tongue. There are four types of lingual papillae found...
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Splenic Artery
Splenic Artery The structure indicated is the splenic artery. The splenic artery the largest of three arteries arising for the celiac trunk: Left gastric artery Common hepatic Splenic artery The...
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