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Atelectasis of the right lower lobe seen on chest X-ray. Clinically significant atelectasis is generally visible on chest X-ray; findings can include lung opacification and/or loss of lung volume. Post-surgical atelectasis will be bibasal in pattern. Chest CT or bronchoscopy may be necessary if the cause of atelectasis is not clinically ...
"Typical sharks", such as requiem sharks, have tails with the upper lobe longer than the lower. The upper lobe is turned upwards at a moderate angle relative to the body, which balances cruising efficiency with turning ability. The thresher sharks have an extreme example of this tail in which the upper lobe has evolved into a weapon for ...
The second dorsal fin is smaller and lower than the first, originating before the anal fin origin. The anal fin is much larger and deeper than the second dorsal fin. The caudal fin has a distinct lower lobe and a strong ventral notch near the tip of the upper lobe.
The asymmetrical caudal fin has a well-developed lower lobe and a long, narrow upper lobe with a ventral notch near the tip. The prominent lateral line curves downward below the second dorsal fin. The skin is densely covered by small, overlapping dermal denticles; each bears five horizontal ridges leading to marginal teeth. This species is ...
The anal fin is absent, and the caudal fin has a larger lower lobe than upper. The dermal denticles are small, narrow, and pointed, and cover the entire upper and most of the lower body surface. There are patches of small spines on the snout and over the eyes.
The caudal fin is low and narrow, with an indistinct lower lobe and an upper lobe about as long as the head. The dermal denticles on the sides of the body are stout and thorn-shaped, widely spaced without any regular pattern; the snout is mostly covered by denticles.
If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1269 ahead. Let's start with a few hints.
Shark net – submerged net placed around beaches to reduce shark attacks on swimmers; Shark proof cage – cage from which a SCUBA diver can examine sharks more safely; Shark repellent – method of driving sharks from an area, object, person, or animal Magnetic shark repellent – use of permanent magnets to repel sharks