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Transitional artery

The transition from an elastic artery to a muscular one is gradual, so transitional arteries may show features of both arterial types. This section, stained with a trichrome stain, shows an artery in which the tunica media has characteristics of a medium, muscular artery (inner portion of smooth muscle) and a large, elastic artery (outer portion with elastic lamellae). 100x

Endothelium <p>The transition from an elastic artery to a muscular one is gradual, so transitional arteries may show features of both arterial types. This section, stained with a trichrome stain, shows an artery in which the tunica media has characteristics of a medium, muscular artery (inner portion of smooth muscle) and a large, elastic artery (outer portion with elastic lamellae). 100x</p>

Endothelium

The transition from an elastic artery to a muscular one is gradual, so transitional arteries may show features of both arterial types. This section, stained with a trichrome stain, shows an artery in which the tunica media has characteristics of a medium, muscular artery (inner portion of smooth muscle) and a large, elastic artery (outer portion with elastic lamellae). 100x

Internal elastic lamina <p>The transition from an elastic artery to a muscular one is gradual, so transitional arteries may show features of both arterial types. This section, stained with a trichrome stain, shows an artery in which the tunica media has characteristics of a medium, muscular artery (inner portion of smooth muscle) and a large, elastic artery (outer portion with elastic lamellae). 100x</p>

Internal elastic lamina

The transition from an elastic artery to a muscular one is gradual, so transitional arteries may show features of both arterial types. This section, stained with a trichrome stain, shows an artery in which the tunica media has characteristics of a medium, muscular artery (inner portion of smooth muscle) and a large, elastic artery (outer portion with elastic lamellae). 100x

Tunica media > <p>The tunica media of this transitional artery has characteristics of both medium, muscular and large, elastic arteries. The inner portion shows circularly arranged smooth muscle cells (red) like a muscular artery, while the outer portion contains elastic lamellae (pink) like an elastic artery.</p>

Tunica media >

The tunica media of this transitional artery has characteristics of both medium, muscular and large, elastic arteries. The inner portion shows circularly arranged smooth muscle cells (red) like a muscular artery, while the outer portion contains elastic lamellae (pink) like an elastic artery.

- Tunica media - inner portion <p>The tunica media of this transitional artery has characteristics of both medium, muscular and large, elastic arteries. The inner portion shows circularly arranged smooth muscle cells (red) like a muscular artery, while the outer portion contains elastic lamellae (pink) like an elastic artery.</p>

- Tunica media - inner portion

The tunica media of this transitional artery has characteristics of both medium, muscular and large, elastic arteries. The inner portion shows circularly arranged smooth muscle cells (red) like a muscular artery, while the outer portion contains elastic lamellae (pink) like an elastic artery.

- Smooth muscle <p>The tunica media of this transitional artery has characteristics of both medium, muscular and large, elastic arteries. The inner portion shows circularly arranged smooth muscle cells (red) like a muscular artery, while the outer portion contains elastic lamellae (pink) like an elastic artery.</p>

- Smooth muscle

The tunica media of this transitional artery has characteristics of both medium, muscular and large, elastic arteries. The inner portion shows circularly arranged smooth muscle cells (red) like a muscular artery, while the outer portion contains elastic lamellae (pink) like an elastic artery.

- Tunica media - outer portion <p>The tunica media of this transitional artery has characteristics of both medium, muscular and large, elastic arteries. The inner portion shows circularly arranged smooth muscle cells (red) like a muscular artery, while the outer portion contains elastic lamellae (pink) like an elastic artery.</p>

- Tunica media - outer portion

The tunica media of this transitional artery has characteristics of both medium, muscular and large, elastic arteries. The inner portion shows circularly arranged smooth muscle cells (red) like a muscular artery, while the outer portion contains elastic lamellae (pink) like an elastic artery.

- Elastic lamellae <p>The tunica media of this transitional artery has characteristics of both medium, muscular and large, elastic arteries. The inner portion shows circularly arranged smooth muscle cells (red) like a muscular artery, while the outer portion contains elastic lamellae (pink) like an elastic artery.</p>

- Elastic lamellae

The tunica media of this transitional artery has characteristics of both medium, muscular and large, elastic arteries. The inner portion shows circularly arranged smooth muscle cells (red) like a muscular artery, while the outer portion contains elastic lamellae (pink) like an elastic artery.

Tunica adventitia <p>The tunica media of this transitional artery has characteristics of both medium, muscular and large, elastic arteries. The inner portion shows circularly arranged smooth muscle cells (red) like a muscular artery, while the outer portion contains elastic lamellae (pink) like an elastic artery.</p>

Tunica adventitia

The tunica media of this transitional artery has characteristics of both medium, muscular and large, elastic arteries. The inner portion shows circularly arranged smooth muscle cells (red) like a muscular artery, while the outer portion contains elastic lamellae (pink) like an elastic artery.

Main Slide Endothelium Internal elastic lamina Tunica media > - Tunica media - inner portion - Smooth muscle - Tunica media - outer portion - Elastic lamellae Tunica adventitia