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Olfactory epithelium and ontogeny of the nasal chambers in the bowhead whale (Balaena mysticetus).

In a species of baleen whale, we identify olfactory epithelium that suggests a functional sense of smell and document the ontogeny of the surrounding olfactory anatomy. Whales must surface to breathe, thereby providing an opportunity to detect …

Tags: 2021, Anatomical Record, cetaceans, Department of Anatomy & Neurobiology, ethmoturbinal, Farnkopf IC, George JC, Hillmann DJ, journalArticle, June 2021 List, Kishida T, nasal cavity, NEOMED College of Medicine, olfactory neuroepithelium, olfactory receptor neuron, Suydam RS, Thewissen J G M

Chapter 18 - Sensory systems

The sensory biology of bowhead whales reflects features both related to their origin from land mammals and adaptations to their current environment, polar seas. There is anatomical and genomic evidence that bowheads have a sense of smell. Their sense…

Tags: 2021, audition, Balaena mysticetus, Balance, bowhead whale, Department of Anatomy & Neurobiology, George JC, gustation, January 2021 List, journalArticle, magnetosense, mechanosense, NEOMED College of Medicine, olfaction, Sformo TL, Suydam RS, The Bowhead Whale, Thewissen JGM, Vision

Chapter 10 - Postcranial skeleton and musculature

The postcranial skeleton of bowhead whales was described in detail more than 100 years ago. The musculature of bowheads has not been studied in detail but matches that of other mysticetes in general features. In this chapter, we focus on some aspects…

Chapter 8 - Prenatal development

The prenatal development of bowhead whales is poorly known, and no complete ontogenetic series exist. However, the available embryos and fetuses elucidate aspects of the development of the species, as well as that of all of mysticetes in general, and…

Tags: 2021, Balaena mysticetus, bowhead whale, Department of Anatomy & Neurobiology, Embryo, Fetus, George JC, gestation, heterochrony, Hillmann DJ, January 2021 List, journalArticle, NEOMED College of Medicine, Sheffield Gay, Stimmelmayr R, Suydam RS, Tarpley RJ, The Bowhead Whale, Thewissen JGM

Chapter 7 - Life history, growth, and form

Bering–Chukchi–Beaufort Sea bowhead whales are born at about 4.2m in length and 1000kg, in lead systems along the NW Alaskan coast. Bowheads in the other northern stocks are also born in ice-covered seas. Maximum body lengths (standard measure) can…

Tags: 2021, Balaena mysticetus, bowhead whale, Breed GA, Brower Jr HK, Department of Anatomy & Neurobiology, George JC, growth and form, January 2021 List, journalArticle, life history, longevity, NEOMED College of Medicine, Person BT, Sformo TL, Suydam RS, The Bowhead Whale, Thewissen JGM, Von Duyke A

A comparative analysis of cone photoreceptor morphology in bowhead and beluga whales.

The cetacean visual system is a product of selection pressures favoring underwater vision, yet relatively little is known about it across taxa. Previous studies report several mutations in the opsin genetic sequence in cetaceans, suggesting the …

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