Anatomy System – Human Body Anatomy diagram and chart images – Page 3

Human Heart Photo

The human heart, about fist-sized and nestled in the mediastinum behind the sternum, has a pointed apex at the left fifth intercostal space and base at the second rib, with…

Bones

Parts of the Hyoid Bone Body Greater Horn Lesser Horn Diagram

The hyoid bone parts include body (central, C3 level), greater horns (posterior/lateral projections for muscle/ligament attachments), lesser horns (small superior projections for stylohyoid ligament). It floats, anchored by supra/infrahyoid muscles.

Bones

CT Scan of a Blowout Fracture of the Inferior Wall Diagram

The CT Scan of a Blowout Fracture of the Inferior Wall diagram typically shows orbital floor disruption with herniation of inferior rectus or orbital fat into the maxillary sinus, often…

Organs

Heart Valves

Heart valves ensure one-way blood flow through precisely timed opening and closing. Atrioventricular valvesthe tricuspid on the right and mitral on the lefthang from chordae tendineae anchored to papillary muscles,…

Bones

Types of Synovial Joint Diagram

Types of synovial joints: plane (gliding, e.g., intercarpal), hinge (uniaxial, e.g., elbow), pivot (rotation, e.g., atlantoaxial), condyloid (biaxial, e.g., wrist), saddle (biaxial, e.g., thumb CMC), ball-and-socket (multiaxial, e.g., hip). All…

Medical

Course of the Lacrimal Nerve Diagram

Lacrimal nerve (V1 branch) enters orbit via superior orbital fissure, runs superolateral, supplies lacrimal gland (parasympathetic hitchhike from facial via pterygopalatine ganglion), conjunctiva, upper eyelid skin. It communicates with zygomatic…

Bones

Bony Landmarks of the Costal Surface of the Scapula Diagram

Costal surface of scapula shows subscapular fossa (broad concave area for subscapularis), medial border with superior/inferior angles, costal/vertebral border, and serrated attachments for serratus anterior along medial border.

Cancer

Kaposis Sacroma Lesions

Kaposi's sarcoma lesions appear as purple-red plaques or nodules on skin, mucosa, or viscera, caused by HHV-8 in immunocompromised like AIDS patients, proliferating spindle cells with vascular slits leaking red…

Medical

Origin of the Blood Supply to the Upper Limb Subclavian Vessels Diagram

Origin of upper limb blood supply: subclavian artery (from brachiocephalic right, aortic arch left), continues as axillary (thoracoacromial, subscapular), brachial (profunda brachii), then radial/ulnar in forearm.

Muscles

Medial View of the Tendons of the Muscles in the Post Leg Diagram

Medial view of posterior leg tendons highlights tibialis posterior (deepest, behind medial malleolus, supports arch), flexor digitorum longus (crosses tibialis posterior), flexor hallucis longus (most lateral/deep, under sustentaculum tali), and…

Organs

Anatomical Relations of the Prostate Gland Diagram

Anatomical relations of prostate gland: anterior pubic symphysis/vesicoprostatic space, posterior rectum (separated by Denonvilliers fascia), superior bladder neck, inferior urogenital diaphragm, lateral levator ani. Seminal vesicles posterior-superior; urethra passes through.

Organs

The Lingual Tonsil Waldeyers Ring Diagram

The lingual tonsil forms part of Waldeyers ring on posterior tongue base, composed of lymphoid follicles. It guards oropharynx entrance, enlarges in infection/allergy, visible on endoscopy or lateral neck X-ray.

Muscles

Tensor Tympani Muscle Middle Ear Diagram

Tensor Tympani Muscle Middle Ear diagram shows this tiny muscle originating from the Eustachian tube cartilage and sphenoid, inserting on the malleus handle to dampen loud sounds by tensing the…

Cell

Granular Leukocytes

Granular leukocytes, or granulocytes, are white blood cells with distinctive cytoplasmic granules and lobed nuclei, comprising neutrophils, eosinophils, and basophils. Neutrophils, the most abundant, rush to infection sites to phagocytose…

Medical

Coronary Angiogram with Narrowing Labelled Diagram

Coronary angiograms label narrowing (stenosis) in arteries like LAD, circumflex, right coronary, often graded by percent occlusion to guide stenting or bypass decisions.

Muscles

Long and Lateral Heads of the Triceps Brachii Diagram

Triceps brachii long head originates from infraglenoid tubercle (crosses shoulder), lateral/medial heads from humerus shaft. All insert on olecranon for elbow extension.

Medical

Pretracheal Fascia Layer of the Neck Labelled Diagram

Pretracheal fascia (visceral layer) invests thyroid, trachea, esophagus, infrahyoid muscles; blends with carotid sheath laterally, buccopharyngeal fascia posteriorly. It forms visceral vascular space and invests recurrent laryngeal nerves.

Medical

anatomical terms of location Diagram

Anatomical terms of location standardize descriptions: superior/inferior, anterior/posterior, medial/lateral, proximal/distal, superficial/deep, palmar/plantar, dorsal/ventral, etc., based on anatomical position.

Organs

Structure of the Peritoneum and Peritoneal Cavity Diagram

The peritoneum and peritoneal cavity structure includes parietal peritoneum (lining abdominal/pelvic walls) and visceral peritoneum (covering organs). The greater sac is the main cavity; lesser sac (omental bursa) lies behind…

Muscles

Fourth Layer of the Plantar Muscles Plantar and Dorsal Interossei Diagram

The fourth layer of plantar muscles includes the plantar interossei (three, adduct toes 3-5 from metatarsals to proximal phalanges) and dorsal interossei (four, abduct toes 2-4 from adjacent metatarsals). Both…