Items tagged “anatomy”

348 results found
Case

Separate left anterior descending artery and left circumflex artery origins

 Diagnosis certain
Assoc Prof Craig Hacking
Published 01 Dec 2015
87% complete
CT
Article

Thigh

Thigh refers to the portion of the lower limb between the hip and knee joints. Note that in an anatomical context "leg" refers to the portion between the knee and ankle joints and not to the entire lower limb.
Article

Leg

Leg refers to the portion of the lower limb between the knee and ankle joints. Note that this anatomical definition is different from the everyday use of the word "leg" which often refers to the entire lower limb. The upper portion of the lower limb, between hip and knee joints, is referred to a...
Case

Pericardial sleeve recess

 Diagnosis certain
Dr Luke Danaher
Published 23 Jan 2016
92% complete
CT
Article

Ilium

The ilium (plural: ilia) is one of the three bony components of the innominate bone: ilium, ischium, and pubis. These are individual bones in the immature skeleton which fuse to form one bone in adults, the principal union being in the acetabulum. The ilium is not to be confused with the ileum:...
Article

Pubis

The pubis, together with the ilium and ischium, make up the innominate bone of the pelvis. These are individual bones in the young and unite to form one bone in adults, the principal union forming the fused acetabulum. The pubis is the ventral part of the innominate bone and forms a median cart...
Article

Abductor pollicis brevis muscle

The abductor pollicis brevis muscle is a thin subcutaneous muscle located laterally in the thenar eminence of the hand, and is one of the intrinsic muscles of the hand. Summary origin: mainly from the flexor retinaculum few fibers originate from the tubercles of scaphoid and trapezium and ten...
Article

Opponens pollicis muscle

The opponens pollicis muscle is one of the muscles of the thenar eminence, deep to abductor pollicis brevis, and is one of the intrinsic muscles of the hand. The three muscles that constitute the thenar eminence muscle group are abductor pollicis brevis, flexor pollicis brevis and opponens polli...
Case

Normal foot MRI

 Diagnosis not applicable
Dr Andrew Dixon
Published 11 Mar 2016
42% complete
MRI
Article

Typical thoracic vertebrae

Given the twelve thoracic vertebrae are largely similar, most are considered typical thoracic vertebrae with the exceptions T1 and T9 to T12. For a basic anatomic description of the structure of typical vertebrae, see vertebrae. Terminology In medical English, some doctors and texts refer to t...
Article

T1 vertebra

T1 is an atypical thoracic vertebra. In contrast to typical thoracic vertebrae, it contains a complete facet for the 1st rib and a demifacet for the 2nd rib. It contains lips on the upper surface of the body. T1 also has a spinous process more horizontal than other thoracic vertebrae.
Article

T11 vertebra

T11 is an atypical thoracic vertebra. In contrast to typical thoracic vertebrae, it contains a single costal facet that articulates with the atypical eleventh rib. There are no facets on the transverse processes.
Article

T12 vertebra

T12 is an atypical thoracic vertebra. In contrast to typical thoracic vertebrae, it contains a single costal facet with no facets on transverse processes.
Article

Atypical thoracic vertebrae

T1 and T9 - T12 are considered atypical thoracic vertebrae. T1 bears some resemblance to low cervical vertebrae T9 has no inferior demifacet T10 often, but not always, shares features with T11 and T12.  For a basic anatomic description of the structure a generic vertebra, see vertebrae.
Article

Thoracic spine

The thoracic spine (often shortened to T-spine) forms the middle part of the vertebral column. It extends from below C7 of the cervical spine to above L1 of the lumbar spine. There are 12 thoracic vertebra, termed T1-T12. The thoracic spine is unique due to its articulation with ribs via costal...
Article

Atypical lumbar vertebrae

Of the five lumbar vertebrae, L5 is considered atypical due to its shape. The remaining lumbar vertebrae are largely typical. For a basic anatomic description of the structure a generic vertebra, see vertebrae.
Article

Atypical cervical vertebrae

Of the cervical vertebrae, the atlas (C1), axis (C2) and vertebra prominens (C7) are considered atypical cervical vertebrae. The atlas (C1) lacks a body or spinous process. It has anterior and posterior arches with lateral masses. Its superior articular surfaces articulate with the occiput at t...
Case

Wrist anatomy - extrinsic ligaments

 Diagnosis not applicable
Dr Matt Skalski
Published 26 Mar 2016
16% complete
Diagram
Article

Tensor tympani muscle

The tensor tympani muscle is a short muscle in the middle ear that arises from the superior surface of the cartilaginous part of the Eustachian tube, the greater wing of the sphenoid, and the petrous part of the temporal bone. It passes into the protympanum of the tympanic cavity, covered by the...
Article

Typical ribs

Typical ribs are those numbered 2 to 10 with ribs 1, 11 and 12 considered atypical. Some authors however include ribs 2 and 10 also atypical. Gross anatomy A typical rib is long and flat. They contain a: head neck tubercle shaft angle Ribs have a rounded, smooth superior border. The infe...