Cranial Nerve I Axial 1 Normal Anatomy The olfactory nerve, or cranial nerve (CN) I, is the first of 12 cranial nerves and provides innervation for the sense of smell. CN I can often be seen on axial magnetic resonance…
Limbic System Axial 1 Limbic System Axial 1 Limbic System Axial 2 Normal Anatomy Note how the fornix (Latin, “arch” or “vault”) is more easily seen as a paired structure on the T2-weighted axial magnetic resonance image (upper radiology image),…
Thalamus and Basal Ganglia Axial 1 Normal Anatomy The centrum semiovale, corona radiata, and internal capsules are all continuous white matter tracts. The centrum semiovale is the white matter deep to the gray matter on the surface of the brain…
Brain Axial 1 Normal Anatomy Named after the French anatomist Paulin Trolard (1842–1910) and also known as the superior anastomotic vein, the vein of Trolard is the largest cortical vein at the convexity (see also Brain Coronal 15 ). The…
Cerebrum: Lateral Views Cerebrum: Medial Views Cerebrum: Inferior View You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
1 Introduction The head and neck area offers a unique challenge for students because of the density of small neurovascular structures; the complexity of its bony features, especially the skull; and the compactness of its anatomy. The head protects the…
1 Introduction The upper limb is part of the appendicular skeleton and includes the shoulder, arm, forearm, and hand. It is continuous with the lower neck and is suspended from the trunk at the shoulder. It is anatomically and clinically…
1 Introduction As with the upper limb in Chapter 7 , this chapter approaches our study of the lower limb by organizing its anatomical structures into functional compartments. Although the upper limb is organized into two functional compartments (extensor and…
1 Introduction The bowl-shaped pelvic cavity is continuous superiorly with the abdomen and bounded inferiorly by the perineum, the region between the proximal thighs. The bones of the pelvic girdle demarcate the following two regions: Greater or false pelvis: the…
1 Introduction The abdomen is the region between the thorax superiorly and the pelvis inferiorly. The abdomen is composed of the following: Layers of skeletal muscle that line the abdominal walls and assist in respiration and, by increasing intraabdominal pressure,…