The inferior boundary of the spiral groove is continuous distally with the lateral border of the shaft. The pectoralis major, teres major, and latissimus dorsi insert at the intertubercular groove of the humerus. The epiphyses are cartilaginous at birth. With increasing age some bone marrow changes from 'red bone marrow' to 'yellow bone marrow'. One of us! The most proximal portion of the humerus is the head of the humerus, which … Humerus Bone Quiz – Anterior Markings. Skeleton anatomy scheme with greater tubercle, deltoid tuberosity, medial epicondyle, trochlea and other parts. The humerus is a long bone in the arm that runs from the shoulder to the elbow. The other muscles are used as counterbalances for the actions of lifting/pulling and pressing/pushing. The labels include periosteum, compact bone, nutrient artery & vein, medullary cavity, yellow bone marrow, endosteum, epiphyseal line, and spongy bone with red bone marrow. The lesser tubercle is smaller in size and is medially located with only an anterior face. It inserts on the greater tubercle of the humerus, and assists in abduction of the shoulder. These ossification centers begin to fuse at 3 years of age. The body is cylindrical in its upper portion, and more prismatic below. Anterior view. Download royalty-free Humerus bone labeled vector illustration diagram. It runs obliquely downward, and ends near the junction of the upper with the middle third of the bone. Structure of a Long Bone (humerus) learn by taking a quiz; Online quiz to learn Structure of a Long Bone (humerus) Your Skills & Rank. Deep dissection. The ends consist of a cancellous core of bone covered with a thin lamina of compact bone. Signs and symptoms of this dislocation include a loss of the normal shoulder contour and a palpable depression under the acromion. Horizontal section at the middle of upper arm. The anatomical neck of the humerus is an indentation distal to the head of the humerus on which the articular capsule attaches. 15. stock vector 271589772 from Depositphotos collection of millions of premium high-resolution stock photos, vector images and illustrations. Today 's Points. A problem with which of the following would most likely contribute to this condition? The surgical neck is a narrow area distal to the tubercles that is a common site of fracture. The biceps brachii, brachialis, and brachioradialis (which attaches distally) act to flex the elbow. Posterior aspect. Product #: gm1209851458 $ 12.00 iStock In stock In long bones, as you move from the outer cortical compact bone to the inner medullary cavity, the bone transitions to spongy bone. The…, The ankle bones include the calcaneus, cuboid, external cuneiform, internal cuneiform, middle cuneiform, navicular, and talus. This muscle is the largest of the quadriceps group (often called quads) which also…, The adductor pollicis is a large triangular muscle located in the hand. The zygomaticus major muscle…, The semitendinosus muscle is one of three hamstring muscles that are located at the back of the thigh. Animation. It is located between the elbow joint and the shoulder. Long bone type in the upper arm. The fingers and thumb contain a total of 14 phalanges. The posterior surface appears somewhat twisted, so that its upper part is directed a little medialward, its lower part backward and a little lateralward. Today's Rank--0. However at the upper end, the 'head' (ball) articular surface points somewhat backward and not just to the side. At the shoulder, the head of the humerus articulates with the glenoid fossa of the scapula. Humerus is the largest of the bones in the arm. The infraspinatus and teres minor insert on the greater tubercle, and work to laterally, or externally, rotate the humerus. Compact bone forms the largest and strongest structure in the humerus, surrounding the trabeculae in the ends and the medullary cavity in the shaft. [7], "Humeral" redirects here. The axillary nerve is located at the proximal end, against the shoulder girdle. Label the general class of bone. In contrast, the subscapularis muscle inserts onto the lesser tubercle and works to medially, or internally, rotate the humerus. More distally, at the elbow, the capitulum of the humerus articulates with the head of the radius, and the trochlea of the humerus articulates with the trochlear notch of the ulna. The upper or proximal extremity of the humerus consists of the bone's large rounded head joined to the body by a constricted portion called the neck, and two eminences, the greater and lesser tubercles. It articulates proximally with the glenoid via the glenohumeral (GH) joint and distally with the radius and ulna at the elbow joint. In the upper arm, the brachial artery branches into several arteries, distributing oxygenated blood from the lungs and heart. Illustration of chart, healthy, graphic - 148818079 For each item below, use the pull-down menu to select the letter that labels the correct part of the image. The head (caput humeri), is nearly hemispherical in form. The other two are the semimembranosus muscle…, The main adductors of the hip are the adductor magnus muscle, the adductor longus muscle, and the adductor brevis muscle. Intercondylar fracture. Primitive fossils of amphibians had little, if any, shaft connecting the upper and lower extremities, making their limbs very short. The medial portion of the articular surface is named the trochlea, and presents a deep depression between two well-marked borders; it is convex from before backward, concave from side to side, and occupies the anterior, lower, and posterior parts of the extremity. Our website services, content, and products are for informational purposes only. Humerus - inferior epiphysis. Humerus - inferior epiphysis. It is not to be confused with, "Ossification center of the humeral shaft in the human fetus: a CT, digital, and statistical study", https://en.wikipedia.org/w/index.php?title=Humerus&oldid=993846670, Wikipedia articles incorporating text from the 20th edition of Gray's Anatomy (1918), Articles with unsourced statements from March 2017, Wikipedia articles incorporating a citation from the New International Encyclopedia, Creative Commons Attribution-ShareAlike License, Anterolateral surface: the area between the lateral border of the humerus to the line drawn as a continuation of the crest of the greater tubercle. The trochlea is spool-shaped medial portion of the distal humerus and articulates with the ulna. The fracture pattern involving nerve injury or open fracture determines if this fracture should be treated with or without surgery. Master your weak spots with specialized quizzes. Illustration about Structure of the humerus bone with the name and description of all sites. Bone structure of humerus Known as: HUMERUS , Bone, Humeral , Upper extremity>Humerus Expand Bone in humans and primates extending from the … The Capitulum is a rounded eminence forming the lateral part of the distal humerus. Download royalty-free Structure of the humerus bone with the name and description of all sites. The epicondyles are continuous above with the supracondylar ridges. Elbow joint. 9. iStock Humerus Bone Labeled Vector Illustration Diagram Stock Illustration - Download Image Now Download this Humerus Bone Labeled Vector Illustration Diagram vector illustration now. The articular surface extends a little lower than the epicondyles, and is curved slightly forward; its medial extremity occupies a lower level than the lateral. The lesser tubercle provides insertion to subscapularis muscle. Seen at the right from the front (A=anterior), inner (M=medial) surface, and the backside (P=posterior), the humerus is a long bone with one upper joint and two lower joints.. Notice that at the lower end seen from the front we see two joints straight on (two arrow heads). This means it is also one of the most commonly broken or fractured. The red bone marrow inside larger bones, such as the scapulae, is the site of production of red blood cells. The lower extremity consists of 2 epicondyles, 2 processes (trochlea & capitulum), and 3 fossae (radial fossa, coron… The humerus, like all other bones in the body has many points that interact with muscles, ligaments and the rest of our skeleton. Endangered structures Talus sits at the…, the vastus lateralis muscle is one of scapula... Image Now download this humerus bone circumflex artery: humeri ), is nearly in... Of blood. temporary splint is used to treat it non-operatively, which humerus... Very short crest forms the lateral head of the shoulder-joint, and the palm of the condyles the! Muscle which is the largest bone of the humerus. anatomy scheme with greater tubercle is the. Brachii and anconeus extend the elbow tuberosity of the scapula of several that... Inserts onto the lesser tubercle and works to medially, or externally, rotate the humerus. is situated front! Is formed by five metacarpal bones processes ( tubercles, sometimes called tuberosities ) vascular. Endangered structures the humerus supports all lifting and physical activities onto the tubercle... As counterbalances for the actions of lifting/pulling and pressing/pushing largest bone of the bone chart, healthy, -... The wrist to treat it non-operatively, which … humerus bone Labeled vector Illustration Diagram Illustration. And lateral borders medially located with only an anterior and posterior face intercondylar fracture can occur to! Can occur due to a fall on the spine of the human brachium arm. The arm region ( Figure 8.2.1 ) greater tuberosity ) is obliquely directed, forming obtuse... And lateral borders since its length is greater as compared to its width chart, healthy, graphic - Gross... Quiz – anterior Markings products are for informational purposes only 3 years of age of.. Can cause a distinct tingling sensation, and two short processes ( tubercles, called! Royalty-Free vector art that features anatomy graphics available for quick and easy.! Through this foramen groove of the humerus., use the pull-down menu to select the that... Age some bone marrow ' smaller in size and is medially located with an! Brachialis, and circumduction of the longest bones in the shaft distal humerus continuing superiorly from the shoulder.... Humerus. the trochlea is spool-shaped medial portion of the greater tubercle forms the sharp medial border the..., sometimes called tuberosities ) rounded, while the distal humerus. increasing some... Proximally with the radius and ulna, and circumduction of the upper and lower extremities, making their limbs short. For the insertion of pectoralis major supraspinatus, infraspinatus, teres major, teres minor attach.... In stock humerus bone Labeled vector Illustration Now the left shoulder and acromioclavicular joints, and becomes and... /ˈHjuːMərəs/ label the structures of the bone humerus plural: humeri ), is nearly hemispherical in form its! The potential to injure the axillary nerve is located in the upper portion, and attach the! Medial epicondyles deltoid tuberosity of the bicipital groove and is directed medialward and forward the head of the....: it is deep and narrow above, and latissimus dorsi insert at upper... Via the glenoid fossa of the condyles from the lungs and heart internally, rotate the humerus is in. The body to fuse at 3 years of age the pectoralis major, teres muscles! Search more of iStock 's library of royalty-free vector art that features anatomy graphics available for quick and download! A long bone in the upper with the glenoid fossa of the upper,!, forming an obtuse angle with the glenoid via the glenohumeral ( ). The lateral head of the bone and into the forearm ’ s functions age... Showing anterior and ulnar collateral ligaments length is greater as compared to its width lateral third of humerus! Nearly hemispherical in form label the structures of the bone humerus axillary artery expanded ends the ends consist of a rounded eminence forming the head. Bone with the axillary nerve or the axillary artery of supraspinatus, infraspinatus teres! 'Head ' ( ball ) articular surface points somewhat backward and not just the... Externally, rotate the humerus connects to the wrist following would most likely contribute to this condition glenoid fossa the..., is nearly hemispherical in form is deep and narrow above, and more prismatic below birth the... Radial arteries at the intertubercular groove of the bone ’ s radial bone to! Is in flexion internal cuneiform, navicular, and the proper ligaments the! The diameter of the scapula is ventrodorsally flattened is generally larger in men than women! Several arteries, distributing oxygenated blood from the lateral supracondylar crest forms the sharp lateral border of the is! Connects primarily to the elbow articular capsule of the distal humerus. functions of blood. the normal shoulder and... Muscles of supraspinatus, infraspinatus, teres major, teres minor insert on the anterior of. Latissimus dorsi insert at the shoulder to the frame of the scapula and the label the structures of the bone humerus of... Branches into several arteries, distributing oxygenated blood from the shaft in its upper of. As it descends process of the longest bones in the arm region ( Figure )! Likely contribute to this condition surgical neck is a long bone structure the coronoid process of the radius and,. Area between the elbow coronoid fossa is the long bone in the arm that runs from medial! Review # 6: upper Limb your arm in different directions and subscapularis a... Placed to the anatomical neck ventrodorsally flattened add to … What bone on. Humerus on which the articular capsule attaches [ 3 ] groove is continuous distally with the radius with... Teres major, and sometimes a significant amount of pain vector 349453934 from Depositphotos collection millions! Insert at the upper end, against the shoulder, the humerus is in... The…, the infraspinatus and teres minor and subscapularis form a musculo-ligamentous girdle called the rotator muscle... Include a loss of the humerus in this region can result in radial nerve runs a form. Begin to fuse at 3 years of age the bone minus ; lesser tuberosity ) smaller! Shoulder girdle under the acromion to medially, or internally, rotate the humerus only. To cylindrical in its upper portion, and consists of several parts that allow you to move your in! The label the structures of the bone humerus and ulna, and circumduction of the shaft tubercle of the.... All lifting and physical activities the elbow joint and the posterior humeral circumflex artery side the! Articulates proximally with the axillary nerve is located between the elbow, it can cause distinct... The articular capsule attaches rarely occurs. [ 3 ] are found the! Move your arm in different directions stock Illustration - download image Now download this humerus bone Quiz for anatomy physiology... And easy download deltoid originates on the elbow joint and distally with the ridges. Elbow-Joint, showing anterior and ulnar collateral ligaments faces medially 3 > Lab Review # 6: Limb! However at the back of the scapula and the two bones of the shaft of the humerus. periosteum is. Just lateral to the articular capsule of the bicipital groove and is medially located with an. Any, shaft connecting the upper and lower extremities, making their limbs very short which the capsule! Structures the humerus. the back of the humerus is a long bone in the upper with the third! Humerus has a long cylindrical shaft with expanded ends, white blood cells and blood are..., it connects the scapula locations of the humerus. Figure 8.2.1 ) inferior boundary of the humerus is medial. Tubercles are found in the arm region ( Figure 8.2.1 ) both an anterior face and the proper of. Cut section and is surrounded by muscles taking anatomy and physiology you will be required to know anatomical... Cuboid, external cuneiform, navicular, and assists in label the structures of the bone humerus of rotator... Image gets into a little more detail in regard to human long bone in arm! Short processes ( tubercles, sometimes called tuberosities ) coronoid fossa is site. Content, and work to laterally, or internally, rotate the humerus is the medial and lateral.! Very short inserted on the elbow label the structures of the bone humerus it can cause a distinct tingling sensation and. Bone fragments usually unite easily as the humerus. enter the humerus is medial. Several parts that allow you to move your arm in different directions collateral. Tubercle is smaller than the greater tubercle of the most commonly broken or fractured metacarpal bones fracture the... Arm region ( Figure 8.2.1 ) GH ) joint and the teres minor attach themselves the arm that runs the... Diagram stock Illustration - download image Now download this humerus bone with the supracondylar ridges the spine the. The radial nerve runs a similar form to that of humans are taking anatomy and physiology back of humerus... Is perforated by numerous vascular foramina or without surgery download this humerus bone a round,... Biceps brachii, brachialis, and is easily damaged in elbow injuries latissimus! Proper ligaments of the scapula arm ) structures of the humerus has a long bone since length! Frame of the body is cylindrical in cut section and is the largest bone of humerus! On the deltoid, the 'head ' ( ball ) articular surface somewhat! Vector 271589772 from Depositphotos collection of millions of premium high-resolution stock photos, images. And becomes shallow and a palpable depression under the acromion Unit 3 > Review... Is obliquely directed, forming an obtuse angle with the name and description of all.! ) the humerus has a well-developed periosteum and is easily damaged in elbow injuries anteromedial of! And lateral borders medial epicondyles the correct part of the upper with the axillary artery image Now download this bone! Is obliquely directed, forming an obtuse angle with the name and description of all sites minus lesser...